Physicists have recreated the Nobel Prize–winning quantum Hall effect using light, revealing that photons can follow the same ...

Most space missions rely on chemical rockets for propulsion. Rockets must carry fuel, which increases spacecraft mass and limits their speed and travel distance. For decades, researchers have explored ...

An insect-scale robot that jumps using only light has completed 188 continuous leaps without ...

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.

Red light therapy can be used for everything from skincare to recovery. But can it help you grow back your hair? Experts ...

Electrical engineers at Duke University have demonstrated the fastest pyroelectric photodetector to date, which works by absorbing heat generated by incoming light. Capable of capturing light from the ...

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 ...

Because adequate sunlight and vitamin D appear to reduce the prevalence of seasonal affective disorder, various specialty lamps have been created to provide this light. Sun lamps, also known as "happy ...

Scientists have shown that lightning-like bursts can be recreated in small blocks of solid materials in the lab.

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

Yes, light therapy for hair growth is a thing. And yes, you might need it. Here's why experts say it works.