Light does more than illuminate the world—it can also push and twist matter. It was back in the 1870s that James Clerk Maxwell first predicted that light carries momentum and can exert pressure on ...
Holograms. Practically every sci-fi movie and TV show from the last 50 years has some version of this futuristic technology. A realistic 3D object composed of nothing more than light, usually hovering ...
The hyperdrive from Star Wars appears to depict an ultra-relativistic motion through space, extremely close to the speed of light. Under the laws of relativity, you neither reach nor exceed the speed ...
Astronomers have spotted a mysterious object in a distant star system that erratically emits dust that shrouds its star, obscuring its light by as much as 75 percent. The researchers behind the ...
Scientists develop concept for feedback-controlled optical tweezers.These tweezers made of highly focused laser light can grab cell clusters in a controlled manner and rotate them in any direction.
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