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

A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out ...

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 ...

The technique works because the green laser (wavelength 532 nanometers) changes the way the crystal responds to some other ...

The green laser acts like an ordinary object while the blue laser acts like illumination. The interaction between the two light sources created a shadow on a screen that was visible as a dark area ...

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

The interaction between the two light sources created a shadow on a screen that was visible as a dark area where the green laser blocked the blue light.

The laser that transmits between NASA's Psyche spacecraft and Earth-based observatories for the Deep Space Optical ...

Audi Q7 2024 facelift prices to be revealed on November 28; updated Q7 bookings open today. Tap for details on the second ...

Dorinda Medley shared that she was visited by an intruder at Blue Stone Manor, her Berkshires estate featured on RHONY.