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's SUV was going about 15 mph in self-driving mode behind two other cars as the group approached an intersection with a green light. The first car slowed to a stop so as not to block the intersection-traffic on the far side was not moving.The Google car and the other car in front of it also stopped. Within about a second, a fourth vehicle rear-ended the Google car at about 17 mph.On-board sensors showed the other car did not brake.he first car slowed to a stop so as not to block the intersection-traffic on the far side was not moving. The Google car and the other car in front of it also stopped. Within about a second, a fourth vehicle rear-ended the Google car at about 17 mph. On-board sensors showed the other car did not brake.