Basketball shoes on a gym floor, bicycle brakes in need of a tune-up, or the squeal of tires are everyday examples of squeaking sounds. Such sounds have long been attributed to stick-slip friction, or ...

Scientists behind a theory that the speed of light is variable -- and not constant as Einstein suggested -- have made a prediction that could be tested. Scientists behind a theory that the speed of ...

Speed alone may be the factor that draws many sports fans to the bobsled, luge and skeleton events at this year's Beijing Winter Olympics. But beneath the thrilling descents of the winding, ...

An international research group has found a maximum value for how fast a computer can become. (Courtesy: © Oliver Wolf – TU Graz) Optoelectronic switches can ...

There's a lot happening at the start of an Olympic BMX race. Athletes begin at the top of a ramp, which they descend while pedaling and being pulled by gravity. At the end of the ramp, they transition ...

Achintya Rao reviews the documentary film Rapid Motion Through Space: an Incomplete History of Speed written, directed and produced by Trent Burton Notions of motion Rapid Motion Though Space is ...

Sound has a speed limit. Under normal circumstances, its waves can travel no faster than about 36 kilometers per second, physicists propose October 9 in Science Advances. Sound zips along at different ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Speed alone may be the factor that draws many sports fans to the bobsled, ...