When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The speed of light is constant, or so textbooks say. But some scientists are exploring the ...

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, ...

The constancy of the speed of light is a pillar of modern physics, but questions persist about its absolute universality. Advanced theories, seeking to unify general relativity and quantum mechanics, ...

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, ...

Bobsled, luge and skeleton athletes descend twisting, steep tracks at speeds upward of 80 mph (130 kmh). Julian Finney/Getty Images Speed alone may be the factor that draws many sports fans to the ...