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.
Google spreading Fiber fingers to more cities. Google's fast Fiber Internet service may be coming to 34 new cities in the U.S., stepping up competition with existing cable, telecom and Internet providers like Comcast, Verizon and AT&T. Story Highlights. Cities on Google's list include Phoenix, San Jose, Portland and San Antonio.