The government received a number of comments both for and against driver-selectable low-speed EV sounds. Vehicles capable of operating silently are required by law to emit sounds at speeds up to 19 ...

Sprinters in the position farthest from the pistols were getting slower start times, so organizers switched to an electronic tone. When the Olympic runners take to their positions on the track later ...

Hey, it's Paul Cavalconte in for Corny O'Connell on this Friday. Question Of The Day breaks the sound barrier, marking the anniversary of the supersonic jet, the Concorde, which launched in 1976. The ...

Light is the fastest in the universe, and its speed reaches 300,000 kilometers per second. However, on the earth, the ' sonic velocity ' of about 340 meters per second is the speed barrier, and ...

Forty years ago, the Concorde broke the sound barrier for first time. Oct. 1, 2009— -- Bullets. Artillery. Horse whips. For a time, they all could do something humans only dreamed of: travel ...

The best thing about high speed cameras is they reveal things you couldn't see before. Even watching recordings of ordinary things offers extraordinary results---in this case, the progression of ...

Scientists have discovered the fastest possible speed of sound. A research collaboration between Queen Mary University of London, the University of Cambridge and the Institute for High Pressure ...

Sound waves travel at approximately 750 mph at sea level, but slow down at higher altitudes. The speed of sound is called "Mach 1." Supersonic refers to speeds from Mach 1 to Mach 5 (1 to 5 times the ...