Color-changing mood rings, forehead fever strips and car-shade indicators all change hues as they warm and cool, thanks to a ...

A player demonstrates how to construct a functional light mechanism in Minecraft using redstone components. The build ...

Lovers of the night sky and northern lights will want to look upward over the next few evenings. The National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center has issued a ...

Sub-micrometer light patterns play a pivotal role in biology, biophysics, and AMO physics, yet their in situ characterization is limited in spatial resolution and sensitivity. Here, we present an atom ...

For decades, scientists have used Earth’s glow from space as a measure of human progress. “Historically, economists assumed ‘more light = more GDP.’ Our findings suggest we need to decouple light from ...

Here’s what you’ll learn when you read this story: Although people often say nothing travels faster than the speed of light, this cosmic speed limit only pertains to particles with information or mass ...

In 2021, dermatologist David Ozog was on holiday with his family in the Bahamas, when his 18-year-old son had a massive stroke. The teenager was airlifted to Florida, and then to Chicago for surgery.

Researchers at Los Alamos National Laboratory in New Mexico, US have used visible light to both image and manipulate the domains of a chiral antiferromagnet (AFM). By “painting” complex patterns onto ...

Julian is a contributor and former staff writer at CNET. He's covered a range of topics, such as tech, crypto travel, sports and commerce. His past work has appeared at print and online publications, ...

Light assists in regulating mood, and selective serotonin reuptake inhibitors (SSRIs) increase non-visual light sensitivity. It remains unclear whether light exposure patterns differ between ...

In a new leap for neurobiology and bioelectronics, Northwestern University scientists have developed a wireless device that uses light to send information directly to the brain—bypassing the body's ...

A flexible optical identifier uses polarized emission from self-assembled crystal films to create two stable states that support tri modal authentication and improve reliability in secure device ...