Scientists at UC San Diego have developed a surprising new way to store digital information using light instead of magnets, ...

The distance between Earth and its moon is very long, and light is the fastest thing we know of, so how long would it take a ...

While a laser pointer's distance is influenced by many factors, including atmospheric conditions, you might be surprised to ...

In a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat previously thought impossible, as light typically passes through other light ...

A laser pointer's beam can reach miles into the sky, yet its bright dot seems to vanish on your TV. Here's what's actually happening to that light.

A systematic study of green laser powder bed fusion shows that tuning linear energy density to 0.467 J/mm yields 99.28% dense ...

When most people picture an antenna, they think of a slim metal rod, whether the thin, extendable rod on a portable FM radio ...

Worried about laser light? Discover what happens when a laser hits your smartphone camera lens, why CMOS sensors burn, and when to truly worry.

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The ...

A multipass integrating-sphere method measures scattering and absorption losses in YAG and Yb:YAG ceramics with sevenfold ...

Add Yahoo as a preferred source to see more of our stories on Google. Earlier this summer, Israel made military history. Not with a missile, bomb or bullet — but with a beam of light. In a first for ...