Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated a new way to structure light in custom, repeatable, three-dimensional patterns, ...

Researchers have found a way to mimic lightspeed when photographing an object. The method involves stitching together many thin “slices” of light reflecting off the object. Photography—itself a ...

“This is among the brightest flashlights I’ve ever owned.” If there is one item that every household needs, it’s a flashlight. But not your typical battery ...

The Milano Cortina Winter Olympics closed in style amid a fanfare of opera, dance and song in the Verona Arena as Norway topped the medal table ...

They have struck military targets, the residences and offices of Iranian leaders, and sites associated with Iran’s domestic security apparatus and its nuclear program. Iran has retaliated by launching ...

Know how LED light therapy works, its skin benefits, side effects, and expert tips from dermatologists. From acne breakouts to early signs of ageing, LED light therapy is fast becoming a go-to ...

Evgeniy “Zhenya” Maloletka is an Associated Press staff photographer based in Kyiv, Ukraine. He has won numerous awards for ...

BAFTA and the BBC have apologized after a person with Tourette syndrome shouted a racial slur during the British Academy Film Awards. It could be heard as Michael B. Jordan ...

We may receive a commission on purchases made from links. You may have noticed we have an affinity for nifty little USB gadgets. We'll not only keep old USB gadgets if we think they're still useful, ...