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

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

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

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 ...

What is the story behind the objects that represent the British Museum’s largest-ever donation? And which are the best?

Originally developed during The New York Times game department's annual game jam, the beta version of Connections was ...

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

When the green laser enters the ruby, it locally changes the material response to the blue wavelength. The green laser acts like an ordinary object while the blue laser acts like illumination. The ...

Nova Scotia’s police watchdog says a Cape Breton Regional Police officer will not be charged after a man was seriously ...

Aries Health Horoscope Today You are good in terms of health. Stick to a healthy diet and be careful while boarding a train.

In 1974, astronomers sent a call out into the cosmos from a massive telescope in Puerto Rico. The anniversary of the message brings reflections on a new missive to the stars and grief for a lost ...