Cycling is so #!@% gear-oriented. But don't worry — we've curated the best gifts for cyclists from 4 decades of experience.

This could enable new tech for controlling light with light, opening doors to advanced fabrication, imaging, and illumination ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain ...

Shadows are a natural consequence of opaque walls in an illuminated Universe. Light shines; photons travel until they hit an ...

With the help of a ruby cube and two laser beams, researchers made one ray of light cast a shadow when illuminated by the ...