A light-sensitive crystal is opening the door to a new era of “light-written” technology. Arsenic trisulfide can be reshaped ...

I tested the most popular red light therapy devices. These are the ones worth your money.

Light does more than illuminate the world—it can also push and twist matter. It was back in the 1870s that James Clerk ...

A new technology allows light to be "designed" into desired forms, potentially making AI and communication technologies ...

We've all heard that "if you want something done right, you have to do it yourself." And that’s usually fine when it comes to ...

It’s the evening before publication, and a pair of Hackaday writers convene to record the week’s podcast. This week Elliot Williams is joined by Jenny List, and it’s a bumper ...

When a Raspberry Pi is overkill.