A new ultrathin photodetector from Duke University can sense light across the entire electromagnetic spectrum and generate a ...

We asked experts about the benefits of red light therapy for sleep—and which devices are most effective for adding it to your ...

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 ...

The zodiacal light – so called because it appears within the same belt of constellations as the zodiac signs (and is a light) – looks like a huge ghostly pyramid in the sky, its vertical axis tilted ...

This is the best time to see the ghostly light shaped like a pyramid known as the 'zodiacal light.' ...

Astronomers with the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) have used data from the project to make the ...

As red-light laser therapy gains popularity in Asia for slowing myopia in children, reports of vision damage have emerged, ...

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

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 ...