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

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 ...

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

A Würzburg team won the German Physical Society’s 2026 teaching prize for femtoPro, a free virtual-reality laboratory that ...

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