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.

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; ...

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.

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

A resistor in the cloud is worth two in the hand.

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