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.
Clocking in at the top of the list was Seoul, South Korea, where Internet users can get ultra-fast connections of roughly 1000 megabits per second for just $30 a month. The same speeds can be found in Hong Kong and Tokyo for $37 and $39 per month, respectively.or comparison's sake, the average U.S. connection speed stood at 9.8 megabits per second as of late last year, according to Akamai Technologies. Residents of New York, Los Angeles and Washington, D.C. can get 500-megabit connections thanks to Verizon (VZ, Tech30) , though they come at a cost of $300 a month.