Sound Waves and Beats. Sound waves consist of a series of air pressure variations. A Microphone diaphragm records these variations by moving in response to the pressure changes. The diaphragm motion is then converted to an electrical signal.Using a Microphone and a computer interface, you can explore the properties of common sounds.ound waves consist of a series of air pressure variations. A Microphone diaphragm records these variations by moving in response to the pressure changes.
Google Fiber Speed: By the numbers. The average Internet speed in the U.S. is 7.4 megabits per second (Mbps), according to a âState of the Internet Reportâ released by Akamai Technologies. It seems that the U.S. has some catching up to do in this department.
Even so, Comcast's offering is extraordinarily expensive compared to Google Fiber, another ultra-fast Internet service priced at $70 per month, or $130 for a bundle that includes 1-gigabit Internet and a TV package with 150+ channels. AT&T's gigabit Internet, where available, has been priced comparably to Google's.