Scientists have pulled off a feat long considered out of reach: getting light to mimic the famous quantum Hall effect. In their experiment, photons drift sideways in perfectly defined, quantized steps ...

Photophobia literally means fear of light, but clinically, it’s an abnormal light sensitivity that can cause physical ...

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

Despite the headline, this isn’t really a story about superconductivity—at least not the superconductivity that people care ...

As you read this, the screen is probably flashing over 240 times per second, yet, as a human, you won't notice this ...

CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...

What's happening when your lights flicker? We've got the answers.

Myopia is skyrocketing around the world, often blamed on endless screen time — but new research suggests the real culprit may ...

Physicists artificially slowed down time to reveal the bizarre Terrell-Penrose effect, a consequence of special relativity. This image from the experiment shows a sphere seemingly moving at 99.9 ...

A Georgia Tech researcher is turning flickering light and sound into a new tool in the fight against Alzheimer’s, using rhythmic sensory stimulation to “tune” brain waves, boost memory, and ...

If someone asked if you live in an enchanted world, what would you say? I ask because, lately, we have approached the mystical realm, considering the evidence from terminal lucidity, near-death ...

Add Yahoo as a preferred source to see more of our stories on Google. Person installs an LED lightbulb into light fixture - Kunlathida Petchuen/Getty Images Light Emitting Diode (LED) lightbulbs have ...