Portable projectors might not have the brightness of fancy home theaters, but the best models we tested can bring the big-screen experience anywhere.

EPFL physicists have found a way to measure the time involved in quantum events and found it depends on the symmetry of the material. "The concept of time has troubled philosophers and physicists for ...

An ancient skyscraper considered the seventh wonder of the world crumbled to ruin centuries ago. Now an ambitious ...

High-powered satellites use electromagnetic waveguides to deliver energy from one component to another. Typically, they are ...