Ordinary red LEDs normally function as light emitters, but they can also function as photosensors. A single LED can even function as both a light emitter and a light detector in the same circuit ...

The basic controls of smart light switches involve an on and off function. Additional desirable options may include the ...

A huge complaint by homeowners living near wind turbines concerns light flicker created by the rotating blades during daylight hours. When the first fluorescent lights came out they created ...

At-home, daily application of light therapy via light-emitting diodes (LEDs) placed on the forehead and scalp led to improvements in cognitive function and post-traumatic stress disorder in patients ...

The company scans entire proteins with CRISPR to find functional vulnerabilities, then hunts for molecules that exploit them ...

Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why ...