What's the difference between using Outlook Express versus my ISP's email?
Email programs, email access and email servers are all frequently confusing to many people. We'll review where email goes, and how you can get at it.
Is there an advantage using Windows Outlook Express email service over an ISP such as Comcast? What is the difference?
The question shows a very common point of confusion.
In a way, it's kind of like asking "which is a faster way to get home, taking Main Street, or driving a Ford?" The two things being compared kind of relate, but in fact are two very different things that don't compare to each other at all. In reality you might take your Ford down Main Street, or perhaps your Maserati traveling on Elm St. would be faster.
Let's sort out this whole ISP, Email Program mess.
Regardless of what service you use for your email, messages sent to you are collected on a server, waiting there until you choose to access them.
POP3/IMAP: POP3 and IMAP are protocols designed to let email programs running on your PC download or view your email on your PC. Examples of such programs are Outlook Express (on XP or earlier), Windows Mail (on Vista), Outlook, Thunderbird, Eudora, and perhaps hundreds more. The key here is that it's a separate program for email management that runs on your computer.
Web: If you are using web access, you do not run a special program, all you do is point your web browser to a specific URL to reach your email service provider, where you can then access your email. Examples include the default interfaces for GMail, Hotmail, Yahoo mail and the like. The key here is that the mail is accessed through your browser but remains stored on the web; it is not downloaded in the same sense that a POP3 client would download to your PC.
"Most ISPs provide email services with the intent that you use a POP3 email client to download your email ..."
Most ISPs provide email services with the intent that you use a POP3 email client to download your email to your PC. Which email client you use is up to you. So in the case of the person asking the question, you're quite welcome to use Outlook Express, Thunderbird or any of the many other email programs available. It's not an either/or situation, as they're two different things: you might use Outlook Express to access your Comcast email.
Now, here's where things get a little confusing: many ISPs also provide web access to your email, and many web mail services provide POP3 access to your email.
But for those that do, it's simply an alternate way of accessing your email. It can be convenient, or it can be critically important, depending on how you choose to manage your email.
POP3 downloads your email to your PC, removing it from the mail server. EMail can be read whether or not you are connected to the internet.
IMAP downloads portions of your email to your PC, but accesses and leaves the messages on your server. You typically must be connected to read email.
Web access does not download your email, leaving it on the server at all times.
Another important side effect of this "download or leave on server" distinction is disk space. If you download your email you are limited only by your own available disk space. If you leave email on your server, then depending on the restrictions in place on that server, you can fill up your mailbox and run into other limitations that might cause email sent to you to start bouncing or just not arrive.
And of course anything you do download you have full control over. For example, you can back it up so that you never lose it. Mail stored on a server, once lost, is often lost forever.
I think most major ISPs actually include some form of web access to your email, so I won't try and call any out specifically. As I said, traditionally email is accessed from your ISP using a POP3 email program, but web access can provide an alternate way to get at email that hasn't already been downloaded when you're not at your computer, or if you prefer, as your sole means of accessing your ISP's email. It's up to you.
Web-based email services are a little dicier.
GMail provides POP3 and IMAP access, which is great - you can choose to access your GMail via the web, via the email program of your choice, or some combination thereof.
Hotmail does not support POP3 or IMAP. However, the mail program Windows Live Mail can access Hotmail, and Outlook can access Hotmail with the "Hotmail Connector". Unofficial solutions for other email programs exist; for example, there's a Hotmail add-in for Thunderbird that seems to work quite well. But again, I have to stress Hotmail itself does not provide POP3 access - any solutions that do so are unofficial and unsupported by Hotmail. Hotmail is intended to be web only, unless you use one of the Microsoft mail programs that have been modified to support it.
Yahoo mail is even more interesting. As I understand it, last I checked POP3 access is available only in certain countries, and the U.S. isn't one of them.
As you can see, web based mail services are really intended to be accessed via the web. The ability to use a PC-based email program is often an after-thought, and support varies from very good to none at all.
Email sent to you is collected on a mail server, provided by your ISP or whatever other mail service you choose to use.
PC-based email programs like Outlook Express are most commonly used to download your email from the mail server to your PC where you can read, archive and backup your email, offline or on.
Web-based email access provides direct access to the email stored on your server without needing to download.
Most ISPs intend that you use a PC based mail program to download your email, but may also provide a web-based interface to access email that has not yet been downloaded.
Most web-based mail services like GMail, Hotmail and the like intend that you use their web based interface to access your email stored on their servers. The ability to download email to a PC based program may, or may not, be available.
And for the record: my recommendation is to use a PC based program, no matter what service you use. The reason is simple: I hear too often of lost email that was stored only on an email service's server. If you download - even if only to copy as a backup - you control what happens to that email. You can back it up or do whatever you feel is appropriate to make sure it never gets lost.
How do I download my Windows Live Hotmail to my machine? Windows Live Hotmail has no POP3 or SMTP settings with which to download your mail. However if you use certain mail programs, you can still download.
What is POP? Or POP3? Or a POP account? And what about SMTP? POP, POP3 and SMTP are all acronyms that you might see used when talking about configuring email. We'll look at what they mean, and how they relate.
How do I backup my GMail? Relying on free email services - even GMail - can be an unnecessary risk. Fortunately GMail makes it possible, even easy, to backup your email.
Another well explained article, thank you.
If I'm using an email program to retrieve my mail; be it, Outlook, Outlook Express, Windows Mail or whatever, the likes of Hotmail (for example) require me to log-in, I think, once in 30 days or my account gets marked for deletion.
Does using a program of this nature mean I *still* have to log-in via the Web once a month to avoid being 'marked', or does using the client 'overcome' this. e.g. If I *only* use my client to retrieve mail & do not log-in via the web, will my account get marked for deletion?
I don't think there's a single answer here.
With Hotmail, for example, if you're using "officially supported" methods to access it via Windows Live Mail or with the Outlook Extender, I would assume you don't run the risk of some kind of inactivity deletion. Since other POP3 methods are not officially supported, I would not be surprised if you did need to login via the web every so often to keep the account active.
Other services, like GMail, Yahoo and so on ... it's unclear. I would hope that those that provide POP3 style access would take that as "activity", but it's never been made clear.
FYI yahoo plus (yearly fee) gives you pop3.
the other advantage of using Outlook (or equivalent) is you only need internet connection for long enough to download/upload your mail.
Once downloaded, you can read at your leisure and compose replies, etc offline.
At least one ISP's mail cannot easily be exported to other mail programs. In my case, it is EarthLink mail. The downloaded mail can be exported in two ways: Earthlink Mailbox DAT file, for importing into another Earthlink Mailbox, or a CSV file for exporting to a completely different mail client. The problem with the latter (the CSV file) is that dates are not included. Therefore, when importing into another mail program, the messages are not organized by any recognizable order. I have complained several times to Earthlink about this, but apparently there is no interest in tweaking their export program to include dates.
For a few years now I've been using a program called Hotmail popper from fitsoft.com (site seems to be no longer active) to access my Hotmail. Its still active, my account that is.
I'm not very bright, and I can prove it. I still don't understand. For example what is POP3, etc.? Where can I find a book or something to explain these critters? I use whatever comes up when I click on mail.
Try this article: What is POP? Or POP3? Or a POP account? And what about SMTP?
I don't understand why my inbox for email on thunderbird program has nothing but "dots"....for everything......all characters, numerals, etc. If I hover the darker of emails(newer ones) it will tell me who sent the email....also can click on any row of dots to pull in the email for reading nicely.
Anyone else ever hear of such a problem?
Thanks for reading. Hope someone can help this great granny!!
I have microsoft outlook express installed on my computer but have never really used it. I have comcast as my regular email provider, but recently when they upgraded to "smartzone", my email is automatically downloaded to outlook as soon as I read a message. I don't like it because I cannot access my old mail from another computer ie at work. This just started happening. How can I correct it so that email remains on my comcast account until I delete it, or put it in a folder etc.
What are the comparisons between web-based email service and Outlook? I guess what I am asking is functionality wise what are the differences? I am new to computers in general and I am trying to be informed.
The specifics depend entirely on which web based service you're talking about. The biggest difference, though, is that with a desktop email program like Outlook your email is downloaded and stored on your PC, whereas with a web based program it remains on the service's webservers.
Which of the two is safest for internet banking. I don't know whether to stick with Outlook Express, change to Windows live mail or use my Gmail account.


Figure 2047 shows the EELS recorded with a home-built spectrometer , and the energy level diagram and electronic transitions of TiCl4 and TiCl4-2Et2O complex. For TiCl4, there are five prominent peaks 1 to 5 (in red). The first peak at 4.5 eV originates from the transition 1t1 to e, while the second one at 5.4 eV is due to the transition 1t1 to 1t2. The intense peak at 7.4 eV originates from the Rydberg transition 1t1 to 4P. The features at 9.8 and 11.2 eV originate from the transitions from the 1t1 and 3t2 orbitals to the Cl(5P) level.
The spectrum of the TiCl4-2Et2O complex has the transitions at 3.6, 6.7, 7.7, 8.9, and 10.5 eV (in blue). The first peak at 3.6 eV originates from the charge transfer band due to the transition from the highest occupied shifted chlorine lone pair orbital to the Ti4+(3d). The peaks at 6.7 and 7.7 eV are from the transitions from the shifted 1t1 and 3t2 chlorine orbitals to the 4p Rydberg states. This shift is due to the complex formation. The peak at 10.5 eV originates from the 3t2 to 5p transition. Therefore, when the tetrahedral TiCl4 molecule is bonded to form octahedral TiCl4-2Et2O, the molecule should become more ionic.  The charge-transfer band in TiCl4 at 4.5 eV is shifted to 3.6 eV because of the change in the electronic structure of the molecule.
 S. P. Ananthavel and M. S. Hegde, Electron States of 1:2 Addition Compounds of TiCl4 with Diethyl Ether and Diethyl Sulfide: HeI Photoelectron and Electron Energy Loss Spectroscopy Studies, J. Phys. Chem. A 1997, 101, 1680-1683.
 Huheey, J. E. Inorganic Chemistry; Harper International: Cambridge, 1983; pp 312-315.


text:
Q: Determine the name of the static/dynamic library Quite often I am using third party snippets of C code that uses a Unix/Linux C library, an example #include <glib.h>, #include <net/if.h>. And they require me to know the specific library file name or pkg-config name, an example -lglib-2.0, -lbluetooth, pkg-config --libs dbus-1. Note that a lot of them differ from the header file having a '2.0', '1' so you just can't guess it.
How the heck can I find out the exact name of the library file an API/library has? Using my examples above; how do I find that #include <glib.h>'s library file is called -lglib-2.0? It's quite frustrating that the online references for Glib/dbus/all of them don't just say "the name of the library file is glib-2.0".
Are there any terminal commands I can use to find this out? Are there utilities I can use to find this out? Online API/Library references are really bad for finding this out.
If I want to find where hci.h is located I can easily just go locate hci.h and find its location. Is there anything like a terminal command for finding out the library name?

A: There's no general way to know which library is required to use a particular function. You need to look at the documentation of that library. A well-written tutorial or API reference should tell you, that's its job.
You can at least get an idea of what library package is required: it's the same library package that contains the header file. How to determine which package contains the header file depends on the distribution, for example dpkg -S /usr/include/glib-2.0/glib.h on Debian/Ubuntu/Mint/…, rpm -qf /usr/include/glib-2.0/glib.h on RHEL/CentOS/Fedora/…, etc. Once you know the library package, list its contents to find what .so files it contains, e.g.
dpkg -L libglib2.0-dev | grep '\.so$'
rpm -qlf /usr/include/glib-2.0/glib.h | grep '\.so$'

With Glib, there are several .so files, and there's no automatic way to tell which ones are required for a particular function (there may be more than one).
If the library uses pkg-config, you should use it rather than hard-coding header and library paths. Not all libraries use it however. You can normally tell because your distribution's library package should depend on its pkg-config package (e.g. dpkg -s libglib2.0-dev |grep '^Depends:.*pkg-config').
If the documentation is really bad, try listing the symbols defined by the library:
nm -D /usr/lib/x86_64-linux-gnu/libgio-2.0.so |awk '$2=="T" {print $3}'

This isn't a sure-fire way because it won't tell you if some other library is needed as well.

A: The #include directives are expanded by the C preprocessor. The search path is controlled by the compiler (e.g. the -I<dir> flag). These provide the symbols in the resulting object file.
Then the linker maps those symbols to archive/object files using a convention: given a flag like -l<namespec>, the linker will search the directories in its library path for lib<namespec>.a or lib<namespec>.so. The linker includes those filenames in the resulting binary, which the dynamic linker uses at runtime to resolve symbols to their actual implementations.
You can find the search directories for the compiler's linker with ld --verbose | grep SEARCH_DIR. For example, this roughly emulates how the linker maps a library name to an .so file:
$ libname=glib-2.0; ld --verbose |  grep SEARCH_DIR |  tr -s ' ;' '\n' |  sed 's/SEARCH_DIR("=\?\(.*\)")/\1/g' |  xargs -I{} find {} -maxdepth 1 2>/dev/null | grep lib${libname}.so
/usr/lib/libglib-2.0.so.0.7000.0
/usr/lib/libglib-2.0.so
/usr/lib/libglib-2.0.so.0

(Those are all symlinks to the same file.)
You can find what package in your package manager provides that file, e.g. with yum:
$ yum whatprovides /usr/lib64/libglib-2.0.so.0

glib2-2.68.1-1.fc34.x86_64 : A library of handy utility functions
Repo        : fedora
Matched from:
Filename    : /usr/lib64/libglib-2.0.so.0

glib2-2.68.4-1.fc34.x86_64 : A library of handy utility functions
Repo        : @System
Matched from:
Filename    : /usr/lib64/libglib-2.0.so.0

glib2-2.68.4-1.fc34.x86_64 : A library of handy utility functions
Repo        : updates
Matched from:
Filename    : /usr/lib64/libglib-2.0.so.0

You can see what symbols are in these with nm:
$ nm -D --defined-only /usr/lib/libglib-2.0.so.0
0000000000070000 T g_access
000000000001d600 T g_allocator_free
000000000001d5f0 T g_allocator_new
0000000000022810 T g_array_append_vals
000000000001e3a0 T g_array_binary_search
...

The linker convention is documented in man ld.
So finally to answer your question: these mechanisms are designed to decouple header files from actual implementations, so there's no general way to map a header file to the object/archive files, by design. Ultimately you have to find the .so file that implements the symbols you #include. As the other answer said, this is ad-hoc.
It is greatly aided by your package manager though, since often the package that provides the header files is <package>-devel and the package <package> provides the shared objects. E.g. with yum you can use this to find the devel package:
$ yum provides '*/glib.h'

glib-devel-1:1.2.10-62.fc34.i686 : Libraries and header files for glib development
Repo        : fedora
Matched from:
Filename    : /usr/include/glib-1.2/glib.h

glib-devel-1:1.2.10-62.fc34.x86_64 : Libraries and header files for glib development
Repo        : fedora
Matched from:
Filename    : /usr/include/glib-1.2/glib.h

glib2-devel-2.68.1-1.fc34.i686 : A library of handy utility functions
Repo        : fedora
Matched from:
Filename    : /usr/include/glib-2.0/glib.h

...

You can see that the header file is provided by the glib2-devel package. So the glib2 package provides the .so file, and from that filename, you can know what to use with the -l flag.
$ repoquery -l glib2 | grep '.so'

/usr/lib/libgio-2.0.so.0
/usr/lib/libgio-2.0.so.0.6800.4
/usr/lib/libglib-2.0.so.0
/usr/lib/libglib-2.0.so.0.6800.4
...

So you can see, given glib.h, you should at least use -lglib-2.0.

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text:
Diane Hendricks Quotes
Diane Hendricks quotes: the Wisconsin billionaire's best content.
"You can take many paths to get to the same place. Life happens, things get in the way of your goal and your mission and your plan, and you got to take a detour. Number one doesn't work, how are we going to get there? Second way. If the second way doesn't work, can we still accomplish the mission by getting there another way?"
"Change your path, be willing to, and don't see that as a failure. That's just life. You're going to make mistakes, you're going to be dissuaded, don't quit. You can't lose sight of what you really want to do."
"Think long and hard before you start. Everybody who has an idea thinks they're an entrepreneur. They may want to really look at what the word entrepreneur means. It's a word that means you're going to work, take risk, be disappointed. It's a big commitment. So to me when somebody says, 'I'm an entrepreneur and I'm going to start out,' I'd ask, 'Are you ready to go to work, do you have a passion, have you really thought this through?' Because the success rate is very poor, and if you truly don't have a passion, and have a burning desire to build a company, you may not be happy in this venture. And it could be very discouraging and fatal to one's well being."
"Do your homework. Put your business plan together, in writing, run it past a couple of people you respect, run it past the banker without asking him for money. Is there a need for what it is you're trying to accomplish, the service you're trying to provide, or the product you're trying to sell?"
"When Ken and I started ABC [a supply company and one of the largest wholesale distributors of roofing, siding and windows in the United States], we worked on our plan for two years, and we threw away a lot of paper. We had a map, we decided, 'Here's the distribution where it's needed, this is where they got manufacturers today.' We did our research in our industry, on a big scale. We were starting with one store, but we knew what we wanted to have was 200 stores."
"Not everyone will believe in your vision. One of the things we hadn't really thought of, was that people would say, 'They're a flash in a pan, they'll be gone tomorrow.' People didn't feel that we could succeed because we were a couple of uneducated roofers. And you can't overcome a reputation that somebody tags on you until you can prove that you're not that."
"Could we have accomplished all of this with just passion? No. You can only accomplish this type of success with the best leadership and management."
"Talk to successful entrepreneurs. Learn about what they've experienced so you can avoid some of the pitfalls that come with wealth."
"Grasp the chances that come your way. Don't wait too long. We grew when opportunity presented itself. Opportunity is not always at an opportune time. Sometimes you just have to change your plans, because that opportunity is not going to come again."
"Most importantly, don't quit. You're going to make mistakes, you're going to be dissuaded, don't quit. I've got signs in my office: 'Don't quit!' I mean, because quitting… you quit, you're done. You just gotta be so strong, life is tough, you know. It just is."
"Juggle family and business the best way you know how."
"We need to get out of the way of the small business owner – and big business owners – and allow them to do what government can only dream of doing: creating jobs and thereby creating wealth."
"People have lost what this nation was built on. I think our core values have been set aside. I believe in the Constitution, the Bill of Rights."
"If we just go back to the basics… I do not want to give up our republic and become a socialistic ideological nation. That's not who we are."
"I don't have heroes, exactly, but I do have people I hold in high respect. Ronald Reagan, for example, stood for ideals that I value: integrity, patriotism and a fundamental belief in goodness and capabilities of mankind."
"When I was nine, we moved to Osseo, Wisconsin, where we owned a couple of hundred acres. My father was well-respected in town. I'm one of nine sisters. My parents were dairy farmers. My father didn't believe in girls doing farm work. Girls did housework, and he hired young men to do farm work. I would have preferred to be outside."
"I became pregnant by my first love at 17 and did what my parents thought was the right thing. I married him. My first husband and I moved to Janesville, Wisconsin, where he worked in a Chrysler plant. It didn't stop me from wanting to reach my dream. In fact, I think I became even more focused on what I wanted to achieve."
"Our success is all the more impressive considering the fact that my husband was a high school dropout and I only completed a high school education. We built this empire through hard work, financial savvy, and a shared vision. We both wanted to be millionaires and aimed our sights at that impressive goal."
"Of our seven children, five are at ABC Supply. The three older daughters went to college. The boys went into construction, and I wasn't disappointed they didn't go to college."
"The fact that we were both on the same page in terms of growing our business, along with our goals for finances, eventually it made us billionaires. We did not shy away from wanting financial success, so we were always ready to pounce when opportunities presented themselves."
"My husband passed away in 2007 after an accident where he fell through the roof of our Wisconsin home. I knew the businesses had to go on. It was our life's work. I worked out of my home for the first year after his death, and senior employees came there to conduct business."
"I'm not a meek lady who stays at home and cooks."
"I continued to grow the business to new heights following my husband's death and oversaw the company's two biggest acquisitions. My immediate focuses were 'being more selective about acquisitions and doing capital repairs instead of capital replacements.' If we can fill pot holes in the parking lot rather than replace the entire parking lot, that's the choice we're making now. Progress is a lot of simple little decisions."
"The culture is alive today, maybe more so than it was 30 years ago. In 2007… we formalized our core values, which distinguish us: respect, opportunity, work hard but have fun, entrepreneurial spirit, family, giving back and American pride. These are healthy, traditional American values that make for engaged, responsible associates who embrace the mission of ABC Supply."
"I've spent millions of dollars to change Beloit's landscape. I purchased a country club, mall, the city's historic library and a slew of abandoned buildings and other properties in an attempt to revitalize them and bring new business to the city. I see old buildings, and I see an opportunity for putting things in them."
"I get involved in organizations if I respect them and if I think I can help."
"I don't think I have ever taken any 'offbeat' advice. Actually, I don't know that I take any advice very often. I trust my own instincts and seek out information so I can make fully informed decisions. That's what's worked for me."
"I've always been very driven and knew that to get where I wanted to go, I could never give up."
"We wanted to be productive with our lives, make a difference in our industry and give back to those who helped us achieve our dreams. Ken and I were blessed to be born in this great nation, where we are born with the gift of opportunity and freedom. Our vision was to live the American dream by working hard, working smart, and having fun."
"I've had wonderful opportunities in my life and feel it is my duty to help create opportunities for others. I believe that the key to economic sustainability is a thriving private sector that provides good careers, paired with a strong educational system."
"We are an inspiration to anyone who dreams of a successful life. Our words make it clear that opportunities are available to anyone, provided you have the drive, the mindset, the gratitude, and the audacity to chase your dreams."
"Did we ever plan on being billionaires? No, but we wanted to be millionaires."
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text:
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var _ = require('lodash');

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a terminal application - I see a lot of people using 'minicom' on linux, but 'screen' is my terminal app of choice. It works on linux and MacOS. Don't know if the other BSDs have this package available, but they should.
Use a piece of clear tape to make a flap on the CF card. The Soekris boards don't have an eject mechanism for the CF connector, and it's hard to get them out by hand. This will save you lots of frustration if you plan on swapping the cards out frequently.
Upgrade the BIOS to at least 1.30. This how-to uses 1.29 and there were problems with GRUB. Some on the Soekris tech mailing list have reported that COM BIOS 1.30 resolves this issue.
Ctrl-\ is a useful choice of "command key" to enter the minicom configuration menus or to escape screen's commands. Both minicom and screen use Ctrl-a by default, which can be very annoying to those expecting Ctrl-a to move the cursor to the beginning of the line.
mg is a tiny version of emacs for those low on system resources.
had to apt-get install inetd and change inetd.conf line for tftpd to udp4. Alternately, turn the tftpd-hpa daemon on in /etc/default/tftpd-hpa and run '/etc/init.d/ttfpd-hpa start'.
Tip: You will need to change the link to pxelinux.cfg after untaring netboot.tar.gz to link to the serial console configuration. 'ln -s debian-installer/i386/pxelinux.cfg.serial-9600 pxelinux.cfg' won't work! (Because pxelinux.cfg links to a directory.) First remove the existing softlink and then run ln.
Documentation for pxelinux/syslnux can be found at http://syslinux.zytor.com/.
The default bios serial port speed is 19200 baud, 8 bits, no parity, no flow control. This means either changing the baud rate in the bios or changing the pxeboot config file to run at a higher baud rate. May as well change both and run at 115200 baud.
While the serial port can do 115200 baud, there are several points during the boot process that need to be configured for that speed for it to work. There have been reports by some people who have done extensive testing of not being able to get the full boot process to work at anything faster than 19200 baud.
Remember to tell the Linux kernel to use the serial port and to use the same baud rate you're using on everything else. Add "console=ttyS0,115200" to the append line for the settings for each kernel in pxelinux.cfg/default (or whatever config file you are using). Without this, when Linux is done loading, your console screen will suddenly go black because the kernel is trying to use a VGA monitor.
The pxelinux output is "doubled", every character is repeated twice. The bios apparently does "serial forwarding" of vga and sends to the com port, or something. See: http://syslinux.zytor.com/archives/2004-April/003362.html The solution is to add a CONSOLE 0 line the pxelinux config file.
The pxelinux.0 outputs in a 15 character wide "display window". See the "Aside:" at the bottom of: http://lists.soekris.com/pipermail/soekris-tech/2007-November/013353.html The solution is to ignore what pxelinux prints. If you want to know what to type at the boot prompt to start the Debian installer read the files in debian-installer/i386/boot-screens/ that come in Debian's netboot.tar.gz. Once you start the installer the screen output will be fine.
Press Ctrl-P as the bios boots to get the bios prompt.
Set the serial port speed. Reboot to take effect.
Set the date and time, in UTC. If the date and time are too far off ntp won't fix the time. If you install with a wonky date/time your files will all have strange timestamps.
You'll need to connect to the Soekris box now via the serial port.
PXEBoot from the bios prompt with "boot f0".
To diagnose install problems run a shell from the bottom of the menu and look at /var/log/syslog, dmesg, etc.
apt-key update - now you should be able to apt-get install any packages you like.


text:
Properties of the decay $ H\to\gamma\gamma $ using the approximate $ \alpha_s^4 $ -corrections and the principle of maximum conformality
Qing Yu 1, ,
Xing-Gang Wu 1, ,
Sheng-Quan Wang 2,3, ,
Xu-Dong Huang 1, ,
Jian-Ming Shen 4, ,
Jun Zeng 1,
Department of Physics, Chongqing University, Chongqing 401331, China
SLAC National Accelerator Laboratory, Stanford University, Stanford, California 94039, USA
Department of Physics, Guizhou Minzu University, Guiyang 550025, China
School of Physics and Electronics, Hunan University, Changsha 410082, China
The Higgs boson decay channel, $ H\to\gamma\gamma $ , is an important channel for probing the properties of the Higgs boson. In the paper, we analyze its decay width by using the perturbative QCD corrections up to $ \alpha_s^4 $ -order level with the help of the principle of maximum conformality (PMC). The PMC has been suggested in the literature to eliminate the conventional renormalization scheme-and-scale ambiguities. After applying the PMC, we observe that an accurate renormalization scale-independent decay width $ \Gamma(H\to\gamma\gamma) $ up to N4LO level can be achieved. Taking the Higgs mass, $ M_{\rm H} = 125.09\pm0.21\pm0.11 $ GeV, given by the ATLAS and CMS collaborations, we obtain $ \Gamma(H\to \gamma\gamma)|_{\rm LHC} = 9.364^{+0.076}_{-0.075} $ KeV.
pQCD theory ,
Higgs decay ,
renormalization
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Qing Yu 1,
Xing-Gang Wu 1,
Sheng-Quan Wang 2,3,
Xu-Dong Huang 1,
Jian-Ming Shen 4,
1. Department of Physics, Chongqing University, Chongqing 401331, China
2. SLAC National Accelerator Laboratory, Stanford University, Stanford, California 94039, USA
3. Department of Physics, Guizhou Minzu University, Guiyang 550025, China
4. School of Physics and Electronics, Hunan University, Changsha 410082, China
Abstract: The Higgs boson decay channel, $ H\to\gamma\gamma $ , is an important channel for probing the properties of the Higgs boson. In the paper, we analyze its decay width by using the perturbative QCD corrections up to $ \alpha_s^4 $ -order level with the help of the principle of maximum conformality (PMC). The PMC has been suggested in the literature to eliminate the conventional renormalization scheme-and-scale ambiguities. After applying the PMC, we observe that an accurate renormalization scale-independent decay width $ \Gamma(H\to\gamma\gamma) $ up to N4LO level can be achieved. Taking the Higgs mass, $ M_{\rm H} = 125.09\pm0.21\pm0.11 $ GeV, given by the ATLAS and CMS collaborations, we obtain $ \Gamma(H\to \gamma\gamma)|_{\rm LHC} = 9.364^{+0.076}_{-0.075} $ KeV.
After the discovery of the Higgs boson at the Large Hadron Collider (LHC) [1–4], the remaining task is to learn and confirm more of its properties either experimentally or theoretically. Among its various decay modes, the Higgs decays into two photons, $ H\to\gamma\gamma $, which could be observed at the LHC or a high luminosity $ e^+ e^- $ linear collider, provides a clean platform for studying the Higgs properties and for testing the standard model.
The Higgs boson couples dominantly to the massive particles, the leading-order (LO) term of the total decay width $ \Gamma(H\to\gamma\gamma) $ is already at the one-loop level, which inversely makes its high-order pQCD corrections very complicated. At present, the LO, the next-to-leading order (NLO), the N2LO, the approximate N3LO and the N4LO terms for the total decay width $ \Gamma(H\to\gamma\gamma) $ have been calculated in Refs.[5–18]. Especially, the fermionic contributions which form a gauge-invariant subset have been given in the N3LO and N4LO terms [18], as shall be shown below, those state-of-art terms give us the opportunity to achieve a more precise prediction on $ \Gamma(H\to\gamma\gamma) $. Due to the complexity of high-order pQCD calculations, it is important to use the known fixed-order terms to achieve the perturbative properties as much as possible and as accurate as possible.
Following the standard renormalization group invariance, a pQCD calculable physical observable, corresponding to an infinite order prediction, should be independent to the choice of renormalization scheme and renormalization scale. However for a fixed-order approximant, one needs to set an optimal scale so as to compare with the data. Conventionally, the renormalization scale is chosen as the typical momentum flow the process or the one to eliminate the large log-terms. Under this simple treatment, the running coupling and its coefficients at the same order cannot be exactly matched, leading to the well-known renormalization scheme-and-scale ambiguities. Due to those ambiguities, the renormalization scale uncertainty is always treated as a key error for theoretical prediction, which is assumed to be decreased when more loop terms have been included. As an example, Ref.[18] shows that when going from the LO level to the approximate N4LO level, the scale dependence of the total decay width $ \Gamma(H\to\gamma\gamma) $ does decrease continuously with increasing loop terms. However, such decreasing of scale dependence is caused by compensation of scale dependence among different orders and the exact value for each loop terms cannot be obtained by using the "guessing" scale. There are many other problems for such conventional scale-setting treatment [19, 20]. It is thus important to find a proper scale-setting approach to set the renormalization scale so as to achieve a more accurate fixed-order prediction.
The principle of maximum conformality (PMC) [21–25] has been suggested to eliminate the renormalization scheme-and-scale ambiguities. Its key idea is to set the correct momentum flow of the process, whose value is independent to the choice of the renormalization scale, based on the renormalization group equation (RGE) and its prediction thus avoids the conventional renormalization scale ambiguities. When one applies the PMC, all non-conformal terms that govern the $ \alpha_s $-running behavior of the pQCD approximant, should be systematically resummed. The PMC prediction satisfies the renormalization group invariance and all the self-consistency conditions of the renormalization group [26]. The PMC resums all of the $ \{\beta_i\} $-terms, the divergent renormalon terms which are proportional to $ n!\beta_0^n\alpha_s^n $ generally disappear, then a more convergent pQCD series can be naturally achieved. Due to the scheme-independent nature of the conformal series and the commesurate scale relations among different observables [27, 28], the PMC predictions are scheme independent. In this paper we shall adopt the PMC to set the renormalization scale for the decay width $ \Gamma(H\to\gamma\gamma) $ up to N4LO level and show that an accurate scale-independent prediction can indeed be achieved. For clarity, we shall adopt the PMC single-scale approach (PMC-s) [29] to do the scale-setting.
2. Calculation technology
The total decay width of the Higgs decays into two photons at the one-loop level takes the form
$ \Gamma(H \rightarrow \gamma\gamma) = \frac{M_{\rm H}^{3}} {64\pi} \left|A_{W}+\sum\limits_{f} A_{f}\right|^{2}, $
where $ M_{\rm H} $ is the Higgs mass, $ A_W $ denotes the contribution which arises from the purely bosonic diagrams, and $ A_f $ stands for the contribution from the amplitudes with $ f = (t, b, c, \tau) $, which corresponds to top quark, bottom quark, charm quark and $ \tau $ lepton, respectively.
The higher-order N2LO, N3LO and N4LO expressions have been given in Refs.[17, 18], which are given for the top-quark running mass $ (m_t) $. To set the correct momentum flow of the process, only those $ \{\beta_i\} $-terms that are pertained to the RGE should be resummed into $ \alpha_s $. Thus as has been argued in Ref.[30], we transform those terms into the ones for the top-quark pole mass $ (M_t) $ so as to avoid the entanglement of the $ \{\beta_i\} $-terms from either the top-quark anomalous dimension or the RGE and then to avoid the ambiguity in applying the PMC. Such transformation of mass can be done by using the relation between $ m_t $ and $ M_t $, whose explicit expression up to $ \alpha_s^4 $-order level can be found in Ref.[31].
For convenience, we rewrite the total decay width into two parts,
$ \Gamma(H \rightarrow \gamma\gamma) = \frac{M_{\rm H}^{3}} {64\pi} \bigg( A_{\rm LO}^{2} + A_{\rm EW} {\alpha\over \pi}\bigg) + R(\mu_r), $
where $ \alpha $ is the fine-structure constant.
The LO contribution $ A_{\rm LO} $ and the electroweak (EW) correction $ A_{\rm EW} $ are [17]
$ A_{\rm LO} = A_{W}^{(0)}+A_{f}^{(0)}+\hat A_t A_{t}^{(0)}, $
$ A_{\rm EW} = 2 A_{\rm LO} A^{(1)}_{\rm EW} , $
where $ A_W^{(0)} $ is the purely bosonic contribution to the amplitude, $ A_f^{(0)} $ is the contribution from the amplitude with $ f = (b,c,\tau) $, $ \hat{A}_t = 2 Q_t^2 \alpha \sqrt{\sqrt{2} G_{\rm F}}/\pi $, $ G_{\rm F} $ is the Fermi constant, and $ Q_t $ is the top-quark electric charge. All of them have been calculated in Refs.[5, 6], i.e.
$ \begin{split} A_W^{(0)} = & -\frac{\alpha\sqrt{\sqrt{2}G_{\rm F}}}{2\pi} \left[ 2+\frac{3}{\tau_W}+\frac{3}{\tau_W}\left(2-{1\over\tau_W}\right) f(\tau_W) \right], \\ A_f^{(0)} = & \sum\limits_{f = c,b,\tau} 3\frac{\alpha \sqrt{\sqrt{2} G_{\rm F}}}{\pi \tau_{f}} Q_f^2 \left[1+\bigg(1-{1\over \tau_{f}}\bigg) f(\tau_f)\right], \\ A_t^{(0)} = & 1+{7\over30} \tau_t+{2\over21} \tau_t^2+{26\over525} \tau_t^3+{512\over17325} \tau_t^4 + {1216\over63063} \tau_t^5\\& +{128\over9555} \tau_t^6, \end{split} $
$ f(\tau)=\left\{ \begin{array}{ll} {\rm Arcsin}^2(\sqrt{\tau}) &\quad {\rm{for}}\quad \tau\leqslant 1\\ -\displaystyle\frac{1}{4}\left[\ln\displaystyle\frac{1+\sqrt{1-\tau^{-1}}}{1-\sqrt{1-\tau^{-1}}}-i\pi\right]^2& \quad {\rm{for}}\quad \tau>1 \end{array} \right. , $
$ Q_f $ denotes the electric charge for $ f = (c,b,\tau) $, $ \tau_W = M^2_{\rm H}/(4M_W^2) $, $ \tau_t = M_{\rm H}^2/(4 M_t^2) $ and $ \tau_{f} = M^2_{\rm H}/(4 M_f^2) $, and the expression for the NLO electroweak term $ A^{(1)}_{\rm EW} $ can be read from Refs.[31, 32].
The QCD corrections to the decay width $ \Gamma(H \to \gamma\gamma) $ are separately represented by $ R(\mu_r) $, whose perturbative series up to $ (n+1) $-loop level can be written as
$ R_n(\mu_r) = \sum\limits_{i = 1}^{n} r_{i}(\mu) a_s^{i}(\mu_r), $
where $ a_s = {\alpha_s}/\pi $, $ \mu_r $ is the renormalization scale. The perturbative coefficients $ r_i $ in the $ \overline{\rm MS} $-scheme up to $ \alpha_s^4 $-order level can be derived from Refs.[17, 18]. To apply the PMC, the $ n_f $-power series ($ n_f $ being the active flavor number) in the coefficients $ r_i $ should be rewritten into conformal terms and non-conformal $ \beta_i $-terms [24, 25],
$ r_1 = r_{1,0}, $
$ r_2 = r_{2,0} + r_{2,1} \beta_0, $
$ r_3 = r_{3,0} + r_{2,1} \beta_1 + 2r_{3,1} \beta_0 + r_{3,2} \beta_0^2, $
$ \begin{split} r_4 =& r_{4,0} + r_{2,1} \beta_2 + 2r_{3,1} \beta_1 + \frac{5}{2} r_{3,2} \beta_0 \beta_1 \\ & + 3r_{4,1} \beta_0 + 3r_{4,2} \beta_0^2 + r_{4,3} \beta_0^3, \\ &\cdots,\end{split} $
where the $ \beta $-pattern at each order is a superposition of RGE, and all the coefficients $ r_{i,j} $ can be fixed from the $ n_f $-power series at the same order by using the degeneracy relations among different orders. $ r_{i,0} $ are conformal coefficients which are exactly free of $ \mu_r $ for the present channel, and $ r_{i,j(j\neq 0)} $ are non-conformal coefficients which are functions of $ \mu_r $, i.e.,
$ r_{i,j} = \sum\limits_{k = 0}^{j} C_j^k \ln^k(\mu_r^2/M_{\rm H}^2) \hat{r}_{i-k,j-k}, $
where $ \hat{r}_{i,j} = r_{i,j}|_{\mu_r = M_H} $. The needed $ \{\beta_i\} $-functions under the $ \overline{\rm MS} $-scheme are available in Refs.[33–41].
Following the standard procedures of the PMC single-scale approach [29], the pQCD corrections to the decay width $ \Gamma(H \to \gamma\gamma) $ can be simplified as the following conformal series,
$ R_n(\mu_r)|_{\rm PMC} = \sum\limits_{i = 1}^{n} \hat{r}_{i,0} a_s^i(Q_\star), $
where $ Q_{\star} $ is the PMC scale. Using the known pQCD corrections up to N4LO level, $ Q_{\star} $ can be fixed up to next-to-next-to-leading-log (${ \rm N^2LL} $) accuracy, i.e.,
$ \ln\frac{Q_\star^2}{M_{\rm H}^2} = \sum\limits_{i} T_{i} a^{i}_s(M_{\rm H}), $
whose first three coefficients with $ i = (0,1,2) $ can be determined by the known five-loop QCD corrections to the decay width $ \Gamma(H \to \gamma\gamma) $, which are
$ T_0 = -{\hat{r}_{2,1}\over \hat{r}_{1,0}}, $
$ T_1 = {2(\hat{r}_{2,0}\hat{r}_{2,1}-\hat{r}_{1,0}\hat{r}_{3,1})\over \hat{r}_{1,0}^2} +{(\hat{r}_{2,1}^2-\hat{r}_{1,0}\hat{r}_{3,2})\over \hat{r}_{1,0}^2}\beta_0, $
$ \begin{split} T_2 = &{4(\hat{r}_{1,0}\hat{r}_{2,0}\hat{r}_{3,1}-\hat{r}_{2,0}^2\hat{r}_{2,1}) +3(\hat{r}_{1,0}\hat{r}_{2,1}\hat{r}_{3,0}-\hat{r}_{1,0}^2\hat{r}_{4,1})\over \hat{r}_{1,0}^3 }\\ &-{\hat{r}_{2,0}\hat{r}_{2,1}^2 +2(\hat{r}_{2,0}\hat{r}_{2,1}^2-2\hat{r}_{1,0}\hat{r}_{2,1}\hat{r}_{3,1} -\hat{r}_{1,0}\hat{r}_{2,0}\hat{r}_{3,2})\over \hat{r}_{1,0}^3}\beta_0\\ &-{3\hat{r}_{1,0}^2\hat{r}_{4,2}\over \hat{r}_{1,0}^3}\beta_0 +{3(\hat{r}_{2,1}^2-\hat{r}_{1,0}\hat{r}_{3,2})\over 2\hat{r}_{1,0}^2}\beta_1 \\ &+{(\hat{r}_{1,0}\hat{r}_{2,1}\hat{r}_{3,2}-\hat{r}_{1,0}^2\hat{r}_{4,3})+(\hat{r}_{1,0}\hat{r}_{2,1}\hat{r}_{3,2}-\hat{r}_{2,1}^3)\over \hat{r}_{1,0}^3}\beta_0^2. \end{split} $
It is noted that all the perturbative coefficients $ T_i $ are free of $ \mu_r $, Eq.(12) then indicates that the PMC scale $ Q_\star $ is free of $ \mu_r $. Together with the fact that the conformal coefficients $ \hat{r}_{i,0} $ are also free of $ \mu_r $, the PMC approximant $ R_n(\mu_r)|_{\rm PMC} $ shall be exactly scale-independent. Thus the conventional scale ambiguity is eliminated.
As a subtle point, due to the perturbative nature of the PMC scale $ Q_\star $, there is residual scale dependence to the pQCD approximant for the unknown higher-order terms in $ Q_\star $ perturbative series. However such kind of residual scale dependence is different from conventional renormalization scale ambiguity. In fact this residual scale dependence is usually negligible due to both the $ \alpha_s $-suppression and the exponential suppression. This property has been confirmed in many PMC applications done in the literature.
3. Numerical results and discussions
To do the numerical calculation, we take the following ones as their central values [42]: the $ W $-boson mass $ M_{W} = 80.379 $ GeV, the $ \tau $-lepton mass $ M_{\tau} = 1.77686 $ GeV, the $ b $-quark pole mass $ M_{b} = 4.78 $ GeV, the $ c $-quark pole mass $ M_{c} = 1.67 $ GeV, the $ t $-quark pole mass $ M_{t} = 173.07 $ GeV, and the Higgs mass $ M_{H} = 125.9 $ GeV. The Fermi constant $ G_{\rm F} = 1.1663787\times10^{-5} $ $ \rm GeV^{-2} $ and the fine structure constant $ \alpha = 1/137.035999139 $①. To be self-consistent with the N4LO-level pQCD correction to the total decay width $ \Gamma(H\to\gamma\gamma) $, we adopt the four-loop $ \alpha_s $-running and $ \alpha_s(M_{Z} = 91.1876{\rm GeV}) = 0.1181 $ to fix the $ \alpha_{s} $-running behavior.
As a comparison, we present the total decay width $ \Gamma(H\to\gamma\gamma) $ up to N4LO level under conventional and PMC scale-settings in Figs. 1, 2. Agreeing with previous observations done in the literature, Fig. 1 shows that under conventional scale-setting, the scale dependence becomes smaller and smaller when more loop terms have been included. The N4LO total decay width under conventional scale-setting gives
Figure 1. (color online) Total decay width $ \Gamma(H\to\gamma\gamma) $ versus the initial scale $ \mu_r $ up to N4LO level under conventional scale-setting.
Figure 2. (color online) Total decay width $ \Gamma(H\to\gamma\gamma) $ versus the initial scale $ \mu_r $ up to N4LO level under PMC scale-setting.
$ \Gamma(H\to\gamma\gamma)|_{\rm Conv.} = 9.626^{+0.002}_{+0.002}\; {\rm KeV}, $
where central value is for $ \mu_r = M_{\rm H} $, and the renormalization scale error is for $ \mu_r\in[M_{\rm H}/2, 2M_{\rm H}] $.
It should be pointed out that the above nearly scale-independence for the N4LO-level total decay width $ \Gamma(H\to\gamma\gamma) $ under conventional scale-setting is caused by large cancellations of the scale dependence among different orders. This can be explicitly seen from Table 1, in which the individual decay widths at LO+EW, NLO, N2LO, N3LO and N4LO levels have been presented separately. More explicitly, we define a parameter $ \kappa_i $ to measure the scale dependence of the separate decay widths at different orders, i.e.
$i={\rm LO+EW}$ $i={\rm NLO}$ $i={\rm N^2LO}$ ${\rm N^3LO}$ $i={\rm N^4LO}$ total
${\Gamma_i \rm{(KeV)}}|_{\rm Conv.}$ $\mu_r=M_{\rm H}/2$ 9.46477 0.17927 −0.01573 −0.00085 0.00083 9.62830
$\mu_r=M_{\rm H}$ 9.46477 0.16133 0.00263 −0.00242 −0.00007 9.62624
$\mu_r=2M_{\rm H}$ 9.46477 0.14731 0.01649 −0.00038 −0.00028 9.62791
${\Gamma_i\rm{(KeV)}}|_{\rm PMC}$ $\mu_r\in[M_{\rm H}/2,2M_{\rm H}]$ 9.46477 0.14979 0.01489 −0.00423 0.00056 9.62578
Table 1. Total decay width $ \Gamma(H\to\gamma\gamma) $ under conventional (Conv.) and PMC scale-settings, respectively. $ \Gamma_{\rm LO+EW} $, $ \Gamma_{\rm NLO} $, $ \Gamma_{\rm N^{2}LO} $, $ \Gamma_{\rm N^{3}LO} $ and $ \Gamma_{\rm N^{4}LO} $ are individual decay widths at LO+EW, NLO, N$ ^{2} $LO, N$ ^{3} $LO and N$ ^{4} $LO levels, respectively. The final row is the total decay width up to N$ ^{4} $LO level. Three typical scales $ \mu_{r} $ = $ M_{\rm H}/2 $, $ M_{\rm H} $, $ 2 M_{\rm H} $ are adopted.
$ \kappa_i = \frac{\left. \Gamma_{i}\right|_{\mu_{r} = M_{\rm H}/2} -\left. \Gamma_{i}\right|_{\mu_{r} = 2M_{\rm H}}}{\left. \Gamma_{i} \right|_{\mu_{r} = M_{\rm H}}}, $
where the subscript $ i $ stands for the individual NLO, N2LO, N3LO and N4LO decay widths, respectively. Under conventional scale-setting, we have
$ \kappa_{\rm NLO} = +20\text{%}, $
$ \kappa_{\rm {N^2LO}} = -1.2\times10^3\text{%}, $
$ \kappa_{\rm {N^3LO}} = +19\text{%}, $
$ \kappa_{\rm {N^4LO}} = -1.6\times10^3\text{%}. $
Large magnitude of $ \kappa_i $ indicates that under conventional scale-setting, there are large scale errors for each order. Due to the cancellation among different orders, the net scale error for the N4LO-level total decay width is small, which is about 0.2%.
On the other hand, as shown by Fig. 2, the PMC prediction is almost scale-independent for each order, and the PMC prediction on $ \Gamma(H\to\gamma\gamma) $ quickly approaches its scale-independent "physical" value due to a faster convergence than conventional pQCD series. Because the magnitude of the newly added N3LO and N4LO terms are only about 28% and 4% of that of the N2LO terms whose magnitude is small, our previous N2LO PMC prediction agrees with the present prediction [44] with high precision. Table 1 shows that after applying the PMC, both the separate decay width and the total decay width are unchanged for $ \mu_r\in[M_{\rm H}/2, 2M_{\rm H}] $. The N4LO total decay width under PMC scale-setting is
$ \Gamma(H\to\gamma\gamma)|_{\rm PMC} \equiv 9.626\; {\rm KeV}. $
The four-loop and five-loop fermionic contributions are helpful to set an accurate PMC scale. The effective scale $ Q_\star $ can be fixed up to $ {\rm N^{2}LL} $-accuracy by using the known five-loop pQCD corrections, i.e.
$ \ln\frac{Q_\star^2}{M_{\rm H}^2} = 1.321-4.271\alpha_s(M_{\rm H})+21.029\alpha^2_s(M_{\rm H}) . $
Figure 3 shows the perturbative nature of $ Q_\star $, e.g. $ |Q^{(3)}_\star-Q^{(2)}_\star|<|Q^{(2)}_\star-Q^{(1)}_\star| $, in which $ Q^{(1)}_\star $ is at the LL accuracy, $ Q^{(2)}_\star $ is at the NLL accuracy and $ Q^{(3)}_\star $ is at the $ {\rm N^{2}LL} $ accuracy, respectively. To be self-consistent and to ensure the scheme independence of the PMC prediction, in drawing Fig. 3, the $ {\rm N^2LO} $ prediction is for $ Q^{(1)}_\star $, the $ {\rm N^3LO} $ prediction is for $ Q^{(2)}_\star $ and the $ {\rm N^4LO} $ prediction is for $ Q^{(3)}_\star $. The nearly scale-independence for each order under PMC scale-setting is caused by the nearly conformal nature of the pQCD series.
Figure 3. (color online) The determined effective scale $ Q_\star $. $ Q^{(1)}_\star $ is at the LL accuracy, $ Q^{(2)}_\star $ is at the NLL accuracy and $ Q^{(3)}_\star $ is at the $ {\rm N^{2}LL} $ accuracy.
It is helpful to be able to estimate the "unknown" higher-order pQCD corrections. The conventional error estimate obtained by varying the scale over a certain range is not reliable, since it only partly estimates the non-conformal contribution but not the conformal one. The Pad$ \acute{\rm{e}} $ approximation approach (PAA) provides a practical way for promoting a finite series to an analytic function [45–47], which has recently been suggested to give a reliable prediction of uncalculated high-order terms by using the PMC conformal series [48].
As an attempt, following the same approach which has been described in detail in Ref.[48], we give a PAA+PMC prediction for $ R_{n}(M_{\rm H}) $ by using the preferable $ [0/(n-1)] $-type Padé series. The results are presented in Fig. 4, where the "PAA" is the predicted $ R_{n}(M_{\rm H}) $ by using the known $ R_{n-1}(M_{\rm H}) $ series and the "EC" is the prediction by directly using the known PMC $ R_{n}(M_{\rm H}) $ series. Figure 4 shows that the difference between the "EC" and the predicted $ R_{n}(M_{\rm H}) $ tends to be small as more higher loops have been known, e.g. the difference for $ R_{3,4}(M_{\rm H})|_{\rm PAA} $ and $ R_{3,4}(M_{\rm H})|_{\rm EC} $ is already less than 1%, thus the "exact" value of $ R(M_{\rm H})|_{\rm EC} $ could be directly taken as $ R_{5}(M_{\rm H})|_{\rm PAA} $, i.e.
Figure 4. (color online) Comparison of the exact ("EC") and the predicted [$ 0/(n-1) $]-type "PAA" pQCD approximant $ R_{n}(M_{\rm H}) $ under PMC scale-setting. It shows how the PAA predictions change when more loop-terms are included.
$ R_5(M_{\rm H})|_{\rm PAA} \cong 1.614\times10^{-1}\; {\rm KeV}. $
Then the total decay width
$ \Gamma_5(H\to\gamma\gamma)|_{\rm PMC} = \left[9.626\pm5.354\times10^{-5}\right]\; {\rm KeV}, $
where the error is the PAA+PMC prediction of uncalculated high-order pQCD contributions, which is negligible.
Total decay width $ \Gamma(H\to\gamma\gamma) $ versus the Higgs mass $ M_{\rm H} $ is presented in Fig. 5. If taking the Higgs mass as the one given by the ATLAS and CMS collaborations [49, 50], i.e. $ M_{\rm H} = 125.09\pm0.21\pm0.11 $ GeV, we obtain
Figure 5. The PMC prediction of the decay width $ \Gamma(H\to\gamma\gamma) $ versus the Higgs mass $ M_{\rm H} $.
$ \Gamma(H\to \gamma\gamma)|_{\rm LHC} = 9.364^{+0.076}_{-0.075} \; {\rm KeV}, $
As an application, we predict the "fiducial cross section" of the process $ pp\to H\to\gamma\gamma $, which has been predicted by the LHC-XS group under the conventional scale-setting [51] and has been measured by ATLAS and CMS collaborations with increasing integrated luminocities [52–54]. A PMC prediction has previously been given in Ref.[55] by using $ \Gamma(H\to\gamma\gamma) $ up to N2LO level. Taking the same parameters as those of Refs.[51, 55, 56], e.g. $ M_{\rm H} = 125 $ GeV and $ M_t $ = 173.3 GeV, and by using the present $ \Gamma(H\to\gamma\gamma) $ up to N4LO level, we obtain $ \sigma_{\rm fid}(pp\to H\to \gamma\gamma) = 30.1^{+2.3}_{-2.2} $ fb, $ 38.3^{+2.9}_{-2.8} $ fb, and $ 85.8^{+5.7}_{-5.3} $ fb for the proton-proton center-of-mass collision energy $ \sqrt{S} = 7 $, $ 8 $ and $ 13 $ TeV, respectively. Here the errors are dominated by the error of the Higgs inclusive cross section. A comparison of the recent experimental data is put in Fig. 6. A better agreement with the data at $ \sqrt{S} = 7 $, $ 8 $ TeV can be achieved by applying the PMC. The ATLAS and CMS measurements at $ \sqrt{S} = 13 $ TeV are still of large errors and are in disagreement, and the PMC prediction prefers the CMS data.
Figure 6. (color online) The fiducial cross section $ \sigma_{\rm fid}(pp\to H\to \gamma\gamma) $ using the $ \Gamma(H\to\gamma\gamma) $ up to N4LO level. The LHC-XS prediction [51], the ATLAS measurements [52, 53] and the CMS measurement [54] are presented as a comparison.
As a summary, the PMC uses the basic RGE to set the correct $ \alpha_s $-running behavior; the resultant conformal series is independent to the initial choice of renormalization scale and renormalization scheme, and thus eliminates conventional scheme-and-scale ambiguities.
Using the pQCD corrections up to the N4LO-level, we can fix the effective PMC scale up to N2LL level and an accurate scheme-and-scale independent prediction for the decay width $ \Gamma(H\to\gamma\gamma) $ can be achieved. Because of the elimination of divergent renormalon terms, the pQCD convergence can be naturally improved by applying the PMC. This improvement of pQCD convergence have been found in most of the PMC applications. However as shown by the case of $ \gamma\gamma^*\to\eta_c $ form factor [57], in which the magnitude of NNLO-term is still larger than the magnitude of its NLO-term even after applying the PMC, there may have remaining large logarithmic terms in the resultant PMC conformal series, diluting the pQCD convergence. In those special cases, the conventional resummation approach [58] may have some help to further improve the pQCD convergence. A detailed discussion on this point is in progress.


text:
Q: Building 'DrawSomething' style app for neuroscience project research purposes I am trying to implement a view that draws the users handwriting (curser position) for the iPad (4). I saw Apple's sample code, that uses OpenGL, however, there were parts I couldn't understand, so, I tried implementing this using core graphics.
    #import "PaintView.h"
    #include <stdlib.h>

    @implementation PaintView

    - (id)initWithCoder:(NSCoder *)aDecoder {
        self = [super initWithCoder:aDecoder];
        if(self) {
            //
            pointsToDraw = [[NSMutableArray alloc] init];
        }
        return self;
    }

    - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
    {
        UITouch *touch = [touches anyObject];
        NSLog(@"%@", touch);

        CGPoint location = [touch locationInView:self];
        CGPoint previousLocation = [touch previousLocationInView:self];

        Ink *ink = [[Ink alloc] initWithPoint:previousLocation toPoint:location time:touch.timestamp];

    //    UITouch *newTouch = [touch copy];
        [pointsToDraw addObject:ink];

        [self setNeedsDisplay];
    }

    - (void)drawLine:(CGPoint)startingPoint toPoint:(CGPoint)endingPoint context:(CGContextRef)context
    {
        // Drawing code
        CGContextSetStrokeColorWithColor(context, [UIColor redColor].CGColor);

        CGRect temp = CGRectMake(10, 10, 100, 100);
        // Draw them with a 2.0 stroke width so they are a bit more visible.
        CGContextSetLineWidth(context, 2.0);

        CGContextMoveToPoint(context, startingPoint.x,startingPoint.y); //start at this point

        CGContextAddLineToPoint(context, endingPoint.x, endingPoint.y); //draw to this point

        // and now draw the Path!

    }

    - (void)drawRect:(CGRect)rect
    {
        [super drawRect:rect];

       // [self drawLine:CGPointMake(10, 10) toPoint:CGPointMake(30, 30)];

        CGContextRef context = UIGraphicsGetCurrentContext();

        for (Ink *ink in pointsToDraw){

            [self drawLine:ink.point toPoint:ink.previousPoint context:context];
        }
        CGContextStrokePath(context);

    }

    @end

The problem is, every touch I draw everything (ink is a class that contains two CGPOINT's and a time stamp), and after a while this dramatically slows things down creating substantial lag.
My goal is to be able to both capture handwriting in a precise way, and play it back precisely.
Another things to consider, is that I am using a stylus which gives pressure information so I need to be able to draw my line in changing widths.
Any advice will be greatly appreciated.

A: Instead of storing the points in an array, store them in an array and a UIBezierPath. Then you only need to draw the bezier path within drawRect: instead of setting up the whole scheme.
The stylus doesn't give pressure information - at least not on iOS. iPhones have capacitive touch screens not resistive. The standard algorithm to change width is to use the speed as the factor and draw using little triangles that you fill in to create your line.
Funny! Here is a relevant article: http://www.nearinfinity.com/blogs/jason_harwig/2012/11/06/capture-a-signature-on-ios.html


Having left her husband to be the mistress of writer/diplomat Romain Gary, Jean secretly gave birth to a son, and then made the movie that she thought would prove herself as an actress once and for all. In Lilith, Seberg would go all in on her portrayal of madness - perhaps too deep. After a disastrous collaboration with Gary, Jean happily accepted an offer to star in a big budget Hollywood musical. But it was 1969, the studio system had crumbled, and that musical - Paint Your Wagon - would become a symbol of everything that was wrong with the Hollywood establishment.


text:
High-touch areas throughout hospital receive makeover with antimicrobial copper
(Pullman, Washington - Nov. 18, 2014) - A level IV trauma center in Washington State has installed copper components throughout its facility as another way of reducing the bacteria* that cause hospital-acquired infections.
Pullman Regional Hospital has become an early adopter of antimicrobial copper after studies found that the age-old metal could continuously kill deadly bacteria*.
Each year, 2 million people in the United States are diagnosed with a hospital-acquired infection and nearly 100,000 people die. These infections are caused by bacteria such as MRSA and VRE.
"It is a very serious problem," said Ed Harrich, the director of surgical services for Pullman Regional Hospital. "I think every hospital across the nation is doing everything they can to try to deal with it the best that they can. But there's bioburden on everything and people aren't good at hand washing and there's cross-contamination everywhere you go."
Through a Patient Safety Challenge grant, Pullman was able to purchase and install the following copper hardware throughout the 95,000-square foot facility: faucet levers on 40 sinks in the public restrooms found in patient rooms and hallway basins, handles for the IV poles used in the BirthPlace, ICU and Medical Surgery Unit, and handicapped-access buttons for double-doors.
While the materials used for touch surfaces are often overlooked as opportunities to improve patient safety during the hospital design process, installing copper supplements the existing infection control practices utilized by the facility. Antimicrobial copper products are highly durable and can last for decades. Retrofitting a hospital with antimicrobial copper is an investment with long-term benefits.
Today more than two dozen U.S. manufacturers are producing antimicrobial copper components - everything from door handles, stair handrails, grab bars, sinks, carts and other specialty instrument trays. With several different copper alloys to choose from, products can exhibit the warm tones of brushed nickel, the colder white of stainless steel, the warm yellows of brass and bronze, or the traditional red of copper.
Pullman plans to install more than 420 copper cabinet pulls throughout the hospital in the coming weeks and months. Eventually, the administration would like to add countertops, the armrests of chairs, bed rails and bed handles made of copper.
"We're excited," said Jeannie Eylar, R.N., chief clinical officer for Pullman Regional Hospital. "We feel like we're on the right path…and we feel like copper is helping us achieve the outcome that we want."


For over 40 years, Natura has been one of the leading, and most respected, beauty brands in Brasil. The brand is known for its skin care, hair care and fragrances that use natural ingredients such as Castanha, Cacau, and Acai sourced from Brasil's great biodiversity. Naturaworks directly with local Brazilian communities in the Amazon region to help them develop sustainable businesses that keep the forest standing.The brand is deeply committed to sustainability and ethical trade and was awarded the prestigious UN Champions of the Earth Award in 2015.


That's seven "finallys" -- one for each of the consecutive six-year terms Sen. Orrin Hatch, R-Utah, served. He begin his occupancy in 1976, when all phones were dumb, the 5.25-inch floppy disk was cutting-edge, the very first Apple computer went on sale for $666.66, the Concorde was flying high, O.J. Simpson was a hero, Blake Shelton was a newborn, the first MRI was still a blueprint, and I was a gap-toothed first-grader wearing corduroy bell-bottoms crushing on Davy Jones.
The idea of amassing $4 million to $6 million campaign war chests, as Hatch did the past two election cycles, is antithetical to the ideal of statesmanship. In the days of Cincinnatus and George Washington, self-sacrifice and civic virtue marked true statesmen. Affability, which Hatch is credited with possessing by his backroom Democrat chums, was no substitute for the humility exhibited by statesmen who volunteered to relinquish power at the very height of it -- not in its waning twilight.


text:
Tag: One Hour with You
10 Things You Should Know About George Barbier
Here are 10 things you should know about George Barbier, born 157 years ago today. A leading man who became a character actor, he enjoyed a stage and screen career of more than 50 years.
10 Things You Should Know About Roland Young
Here are 10 things you should know about Roland Young, born 134 years ago today. We'll watch any picture with his name in the credits.
Happy Birthday, Roland Young!
11/11/2015 11/11/2015 cladrite1 Comment
Any old movie fan can quickly come up with a list of stars whose name in the opening credits is reason enough to give a motion picture a look.
But we suspect that only true aficionados would include the name Roland Young, who was born 128 years ago today, on that list.
Well, you can count us in the latter group. Mr. Young, for our money, is among the elite of motion picture stars of the 1930s and '40s.
Born the son of an architect in London, England, Young attended the Royal Academy of Dramatic Art and made his stage debut in 1908, his Broadway debut four years later, and after serving (with the U.S. Army, interestingly enough) in World War I, his movie debut in 1922, playing Watson to John Barrymore's Sherlock Holmes.
But it was in talkies that Young really found his stride. He excelled at playing upper crust types, with his neat little mustache and his fumbling, mumbling way of speaking, and so, though he would play the occasional dramatic part (and very ably, too) over the course of his movie career, it was in romantic and screwball comedies that he truly made his mark.
Roland Young is perhaps best remembered for his portrayal of the henpecked Cosmo Topper in the popular Topper series of pictures, but his roster of credit includes a number of top-notch comedies, among them One Hour with You (1932), Ruggles of Red Gap (1935), The Philadelphia Story (1940), and Tales of Manhattan (1942), but even in lesser known films, he shines.
Young also worked in radio, starring in a 1945 summer replacement series based on the Topper movies and guesting on other programs, and on television, including such programs as Lux Video Theatre, Studio One, Pulitzer Prize Playhouse and The Chevrolet Tele-Theatre.
Young died of natural causes at age 65 in his NYC apartment on June 5, 1953.
Here's to you, Mr. Young. Thanks for the laughs!


text:
For medical information relating to Covid-19, please consult the World Health Organisation or local healthcare provision.
mocimycin
Molecular FormulaC43H60N2O12
Average mass796.943 Da
Monoisotopic mass796.414612 Da
ChemSpider ID4883396
- Double-bond stereo
- 11 of 11 defined stereocentres
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-methyl-7-oxo-1,3,5-heptatrien-1-yl]tetrahydro-2-furanyl}-6-methoxy-5-methyl-2,4-octadie n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-dimethyl-6-[(1E,3Z)-1,3-pentadien-1-yl]tetrahydro-2H-pyran-2-yl}butanamide (non-preferred name)
CC[C@H](C(=O)NC/C=C/C=C(\C)/[C@H]([C@@H](C)[C@H]1[C@H]([C@H]([C@H](O1)/C=C/C=C/C=C(\C)/C(=O)c2c(=O)cc[nH]c2O)O)O)OC)[C@@]3([C@@H]([C@@H](C([C@@H](O3)/C=C/C=C\C)(C)C)O)O)O
Std. InChi
InChI=1S/C43H60N2O12/c1-9-11-13-21-31-42(6,7)38(50)39(51)43(54,57-31)28(10-2)40(52)44-23-17-16-19-26(4)36(55-8)27(5)37-35(49)34(48)30(56-37)20-15-12-14-18-25(3)33(47)32-29(46)22-24-45-41(32)53/h9,11-22,24,27-28,30-31,34-39,48-51,54H,10,23H2,1-8H3,(H,44,52)(H2,45,46,53)/b11-9-,14-12+,17-16+,20-15+,21-13+,25-18+,26-19+/t27-,28-,30-,31+,34+,35+,36-,37+,38+,39-,43-/m1/s1
Std. InChIKey
HMSYAPGFKGSXAJ-PAHGNTJYSA-N
Cite this record
CSID:4883396, http://www.chemspider.com/Chemical-Structure.4883396.html (accessed 12:04, Jan 19, 2021)
NamesNames
Crystal CIFs
SimBioSys LASSO
Names and Synonyms
Database ID(s)
Validated by Experts, Validated by Users, Non-Validated, Removed by Users
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-methyl-7-oxo-1,3,5-heptatrien-1-yl]tetrahydro-2-furanyl}-6-methoxy-5-methyl-2,4-octadie n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-dimethyl-6-[(1E,3Z)-1,3-pentadien-1-yl]tetrahydro-2H-pyran-2-yl}butanamid [German] [ACD/IUPAC Name]
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-methyl-7-oxo-1,3,5-heptatrien-1-yl]tetrahydro-2-furanyl}-6-methoxy-5-methyl-2,4-octadie n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-dimethyl-6-[(1E,3Z)-1,3-pentadien-1-yl]tetrahydro-2H-pyran-2-yl}butanamid (non-preferred name) [German] [ACD/IUPAC Name]
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-methyl-7-oxo-1,3,5-heptatrien-1-yl]tetrahydro-2-furanyl}-6-methoxy-5-methyl-2,4-octadie n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-dimethyl-6-[(1E,3Z)-1,3-pentadien-1-yl]tetrahydro-2H-pyran-2-yl}butanamide [ACD/IUPAC Name]
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-méthyl-7-oxo-1,3,5-heptatrién-1-yl]tétrahydro-2-furanyl}-6-méthoxy-5-méthyl-2,4-octadié n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-diméthyl-6-[(1E,3Z)-1,3-pentadién-1-yl]tétrahydro-2H-pyran-2-yl}butanamide [French] [ACD/IUPAC Name]
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-methyl-7-oxo-1,3,5-heptatrien-1-yl]tetrahydro-2-furanyl}-6-methoxy-5-methyl-2,4-octadie n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-dimethyl-6-[(1E,3Z)-1,3-pentadien-1-yl]tetrahydro-2H-pyran-2-yl}butanamide (non-preferred name) [ACD/IUPAC Name]
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-4-oxo-1,4-dihydro-3-pyridinyl)-6-méthyl-7-oxo-1,3,5-heptatrién-1-yl]tétrahydro-2-furanyl}-6-méthoxy-5-méthyl-2,4-octadié n-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-diméthyl-6-[(1E,3Z)-1,3-pentadién-1-yl]tétrahydro-2H-pyran-2-yl}butanamide (non-preferred name) [French] [ACD/IUPAC Name]
(2S)-N-[(2E,4E,6S,7R)-7-{(2S,3S,4R,5R)-3,4-Dihydroxy-5-[(1E,3E,5E)-7-(4-hydroxy-2-oxo-1,2-dihydropyridin-3-yl)-6-methyl-7-oxohepta-1,3,5-trien-1-yl]tetrahydrofuran-2-yl}-6-methoxy-5-methylocta-2,4-dien-1-yl]-2-{(2R,3R,4R,6S)-2,3,4-trihydroxy-5,5-dimethyl-6-[(1E,3Z)-penta-1,3-dien-1-yl]tetrahydro-2H-pyran-2-yl}butanamide (non-preferred name)
256-859-9 [EINECS]
50935-71-2 [RN]
Antibiotic MYC 8003
Antibiotic Myc-8003
Delvomycin
Kirromycin
mocimicina [Spanish] [INN]
mocimycine [French] [INN]
mocimycinum [Latin] [INN]
моцимицин [Russian] [INN]
موسيميسين [Arabic] [INN]
莫西霉素 [Chinese] [INN]
488-69-7 [RN]
ANTIBIOTICMYC-8003
UNII:PO3AA461HS
MYC 8003 [DBID]
MYC-8003 [DBID]
NSC 316094 [DBID]
Predicted - ACD/Labs
Predicted - ChemAxon
Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module
Density: 1.3±0.1 g/cm3
Boiling Point: 936.0±65.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 154.5±6.0 kJ/mol
Flash Point: 519.9±34.3 °C
Index of Refraction: 1.621
Molar Refractivity: 219.1±0.3 cm3
#H bond acceptors: 14
#H bond donors: 8
#Freely Rotating Bonds: 17
#Rule of 5 Violations: 3
ACD/LogP: 2.06
ACD/LogD (pH 5.5): 0.81
ACD/BCF (pH 5.5): 1.38
ACD/KOC (pH 5.5): 22.12
ACD/LogD (pH 7.4): -0.95
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 224 Å2
Polarizability: 86.8±0.5 10-24cm3
Surface Tension: 61.7±3.0 dyne/cm
Molar Volume: 622.7±3.0 cm3
Click to predict properties on the Chemicalize site
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Into Tomorrow interviews Kodak's VP for Sales and Marketing Paul Meyhoefer about the Orbit360 4k, Kodak PIXPRO's new 360 camera (hands-on preview here).
In the interview, Mr. Meyhoefer explained that Kodak PIXPRO believes that 360 cameras are taking off. Last year, they released the Kodak SP360 4k Dual Pro (first impressions here), which was designed more as a prosumer camera. With the rising popularity of 360 cameras, they wanted to target the Orbit360 toward consumers. Among other things, this means simple operation.
As stated in the interview, Kodak is releasing the Orbit360 in Q1 of 2017. Mr. Meyerhoefer believes they will be shipping toward the end of February. In the meantime, you can sign up to be notified of their preorder here. I've preordered it and will be posting my review as soon as possible, including a comparison with the SP360 4k Dual Pro, and other 360 cameras such as the Ricoh Theta S (reviewed here), Samsung Gear 360 (reviewed here), and Nikon Keymission 360 (reviewed here).
If you're interested in the Orbit360 4k, please join the Orbit360 users group on Facebook, where I will be posting all Orbit360-related info.
I am curious to see how the seam is stitched and also whether there is a perceptible difference between the two lenses.
#TECHNIQUE: Girl enters her dollhouse using a Ricoh Theta!


Come, come; when will he come?
And the wind grows weak and cold.
It is John the Baptist, come with his lamp.
Still he ascends to his pulpit.
one more day, one more day.
He will come, he will come soon.
Nice! Fits with the message of Hope for this coming Sunday the 1st Week of Advent.
Nice Daniel. I can identify with days like that. Guess that's part of the groaning that all created things do praise God for his grace and mercy and living hope!


text:
Don't cry for the voicemail—it's already dead
Apple is killing voicemails—and it's about damn time.
Published Aug 5, 2015 Updated May 28, 2021, 5:30 am CDT
We all have friends whose voice mailboxes are either full or haven't been set up in the first place. But can you blame them? The only thing worse than getting a phone call in 2015 is retrieving a voicemail. I became one of those bad friends a long time ago: I shut off my mailbox and I never looked back.
Now Apple, which has a history of abandoning technologies like the floppy disk before they've fully expired, is here to kill voicemail for us. According to Business Insider, Apple is hoping to release a new service in 2016 that will allow Siri to answer your calls, transcribe short messages, and send them to you in text form. Voilà, no more voicemail for iPhone users! And when Apple gives up on something, the rest of the world will soon follow.
All I can say is this: Good riddance. I will shed no tears at the funeral for voicemail. It's about time we rid ourselves of this awkward and increasingly irrelevant form of communication. Voicemail is the last vestige of a time when people used phones as phones rather than as computers. That era is over now, and voice mail is just one more obsolete technology that no one will miss.
As Business Insider notes, Apple's Siri-driven solution to voicemail is brilliant because some people like to leave voicemails—but most people don't like to receive them. Annoying voicemail-leavers will still be able to blab to their heart's content, but voicemail-receivers can simply open a text instead of finding that voicemail app in your phone that you last opened three months ago when the dentist's office left you that message that you have never deleted.
The only thing worse than getting a phone call in 2015 is retrieving a voicemail.
Apple's idea is not necessarily new, either. Verizon has implemented visual voicemail on both Android and Apple phones (although the service's text translation leaves something to be desired). It also comes with a monthly fee—an added inconvenience for a service intended to make your life more convenient.
But killing the voicemail isn't just a matter of personal convenience, it's a way to boost efficiency as well. In a digitally connected era, voicemails interrupt an otherwise steady flow of communication by, for example, forcing you to find a pen to write down a phone number that could have been sent to you in an e-mail. Voicemails slow you down and demand dedicated attention, while texts allow you to keep moving and digest information at your own pace.
Major corporations seem to agree, too. Earlier this year, JPMorgan Chase and Coca-Cola did away with voicemails for the majority of their employees. Employees didn't just accept this policy—they begged for it to be instituted, because voicemail is so "annoying," as they put it. As NPR reports, Chase may save $8 million a year by axing a technology that no one wanted anyway. It might not save you millions of dollars, but chances are you wouldn't miss voicemail, either.
At this point, voicemail is one of the last telephone-like functions that we have to use on the devices that we still refer to somewhat inaccurately as "phones." We've all but killed the phone call. According to Pew Research Center polling, texting is now a more frequently-used smartphone function among adults 18 to 49 than voice calling. By now, the joke that young people only text and never talk on the phone has become common etiquette, but the preference exists for good reason: Phone calls are an irritating distraction.
Consider, for example, that companies like Comcast force people to call in to cancel their service, essentially as a form of punishment. It's not unlikely that you'll have to take time out of your workday to spend 10 to 15 minutes dialing, holding, and waiting for a representative who can then process a request that you could have done with a press of a button. Canceling online is not only faster—it also saves you getting hassled by the Comcast rep from hell.
There are some people, though, who are nostalgic for the days when oral forms of telecommunication were a more important part of our culture. Back in 2012 as texting was starting to overtake the phone call, Time's Jeffrey Kluger argued that we should all "throw in a little Skyping or Facetime" to ensure that we maintain basic social skills. But is the death of voice communication really about social skills, or is it about engaging with the world in a different way?
In the fifth season of Louie, the comedian takes his daughter Lily to a Broadway play, who spends the latter half of the performance on her phone. Under the assumption that she's not paying attention to the tragic ending, C.K. insists on taking away Lily's cellphone. But she rebuffs him. "You saw me reading about the play," she retorts. "Just because I can appreciate something on two levels, doesn't mean I don't deserve my phone."
Voicemails slow you down and demand dedicated attention, while texts allow you to keep moving and digest information at your own pace.
What looks like a distracted, text-driven way of engaging with the universe is actually just a different way of processing information. It's not that we are no longer having conversations anymore but that our technologies are shaping those conversations, as they always have.
And as time goes on, less of those conversations still require our phones to behave like phones. Even the standard-issue SMS is starting to become irrelevant. Since last year, Facebook has required its users to use the separate Messenger app for messaging. Zuckerberg's rationale was to allow for a nuanced texting experience: "Messaging is one of the few things people do more than social networking. In some countries 85 percent of people are on Facebook, but 95 percent use SMS or messaging."
We all balked at the idea of having to install a separate app on our phones—but now many of us have grown accustomed to using Messenger, Google Hangouts, or the Facebook-owned WhatsApp when we need to message a friend. Why? The same reason we quit talking on the phone: These apps are easier, they're more efficient, and they don't require a cellular connection, just WiFi.
As phone calls and even text messaging start to go out of style, it's a wonder that voicemail even survived until 2015. Its impending death at the hands of Apple is long overdue. Leaving a voicemail for someone isn't just inefficient, it's almost an insult given how many instantaneous and time-saving forms of communication we have at our disposal. Phones aren't really phones anymore but that's OK. Let's accept it, move on, and quit asking people, "Did you get my voicemail?"
No, I didn't get your voicemail. I never will.
Corey Burke is an alumna of CUNY City College and works in reproductive justice in Atlanta. She spends her spare moments watching cute YouTube videos of whippets. You can tweet her @CoreyBurke.
Photo via ssoosay/Flickr (CC BY 2.0)
*First Published: Aug 5, 2015, 4:04 pm CDT


This is sort of an experiment in painting high key with little value- and even color-contrast. I often read on other artists pages that you shouldn't use too much white. I used a *lot* of white here!
I've been reading Carol Marine's daily painting book , and am feeling inspired to paint more frequently. I feel like I've been doing pretty good at doing a bunch of work; last year I posted 38 paintings on my daily paintworks page, and a total of 55 paintings since I started posting there. According to the book, though, you need 500 hundred paintings to be any good at it. So I better hustle some more.


text:
Avel Louise Gordly: First African-American Woman Elected to the Oregon State Senate
0 Posted by Jae Jones - March 6, 2018 - Black First, Black History, LATEST POSTS
Avel Louise Gordly became the first African American woman to be elected to the Oregon State Senate in 1996. Gordly was born in Portland on February 13, 1947. Her father, Fay Gordly, was a railroad worker active with the Brotherhood of Sleeping Car Porters and Maids; her mother, Beatrice Bernice Coleman Gordly, was a long-time member of Mt. Olivet Baptist church and a Grand Worthy Matron of the Eastern Star.
Gordly graduated from Girls Polytechnic High School in 1965 and worked at Pacific Northwest Bell until 1970. That year, she enrolled at Portland State University, where she earned a degree in the administration of justice. After graduation, she worked for the Oregon Corrections Division as a women's work-release counselor and later as an adult parole and probation officer.
A key affiliation for Gordly was the Black United Front (BUF). A national civil rights group headquartered in Chicago, Portland's dynamic BUF was founded in 1979 by a core group of activists, including Ronald Herndon and the Reverend John Jackson. In addition to handling media work for the group, Gordly coordinated the Front's Saturday School, whose African American history program was tied to curriculum reform in the public education system.
In 1979, Gordly joined the Urban League of Portland as head of its Youth Service Center. In 1983, AFSC hired her to lead their Southern Africa Program, which was focused on anti-apartheid and refugee relief, and Gordly made national headlines when she was promoted to regional director of the American Friends Service Committee (AFSC).
Gordly was subsequently elected state representative from north and northeast Portland in 1992, and she served until retiring in 2009. Her legislative record includes an array of initiatives that focus on cultural competency in education, mental health, and the administration of justice. Gordly has received numerous awards from groups such as the YWCA of Greater Portland, the NAACP, the Oregon Youth Authority, Delta Sigma Theta Sorority, the Girl Scouts, and the Oregon Commission for Women.
https://oregonencyclopedia.org/articles/gordly_avel_1947_/#.WonRn-dG2M8
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text:
package featurebee.registry

import featurebee.ClientInfoImpl
import org.scalatest.{MustMatchers, OptionValues, FeatureSpec}

class AlwaysOnFeatureRegistrySpec extends FeatureSpec with OptionValues with MustMatchers {

  feature("Features are always toggled on for AlwaysOnFeatureRegistry") {
    scenario("'xyz' feature is toggled on") {
      AlwaysOnFeatureRegistry.feature("xyz").value.isActive(ClientInfoImpl()) must be(true)
    }
  }

  feature("feature names") {
    scenario("return empty set") {
      AlwaysOnFeatureRegistry.allFeatures must be(Set.empty)
    }
  }
}


text:
The women's pole vault event at the 2019 Summer Universiade was held on 9 and 11 July at the Stadio San Paolo in Naples.

Medalists

Results

Qualification
Qualification: 4.35 m (Q) or at least 12 best (q) qualified for the final.

Final

References

Pole
2019

redpajama_set_name: RedPajamaWikipedia