Watch an incredible experiment as we build a super powerful artificial sun using graphite electrodes and high-voltage batteries. See the intense electric arc, extreme heat, and blinding light as we ...

If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

After 16 weeks of testing, we noticed visible results. Here are our favorite red light therapy devices for hair growth.

At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past the beautiful mounting. It’s not just stylishly framed; ...

Discover the best Nano Banana 2 prompts to test Gemini 3.1 Flash Image, from 4K mockups to multilingual text and character consistency.

It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.

The tiny bots follow patterns of light and "artificial space-time," navigating like craft following the curved space around a black hole.