Today, there are so many options for hair removal—including lasers you can use in your own home. We put the TikTok-famous ...

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

Scientists have shown that laser light, under certain conditions, can behave like an object and cast a shadow.

Researchers used a ruby crystal and specific laser wavelengths to demonstrate that a laser beam could obstruct light and ...

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

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

Can light itself, perhaps from a laser, cast a shadow? It might seem like a trick question, but the answer to this is "yes." ...

"Laser light casting a shadow was previously thought impossible since light usually passes through other light without ...

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

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

Laser beams have been shown to cast shadows, defying previous notions that light cannot block light. This phenomenon, ...

Brookhaven researchers have revealed that a laser beam can cast a shadow through nonlinear optical processes, challenging ...