Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Plant responses to light are multiple. Light is an energy source, converted to sugars by photosynthesis. It is also a signal sensed by specific photoreceptors for red, blue and UV-B radiation. Absence ...

Light therapy may help improve symptoms of depression by aligning your body’s natural clock, balancing serotonin levels, and stabilizing sleep patterns. Typical light therapy involves sitting near a ...

You’re here because you have a lot of smart home devices and want to buy the best smart lights to suit your needs. Maybe you want to ask Alexa to turn the lights out at night without leaving your cosy ...

Artificial light helps humans work, play and travel safely at night. However, artificial lighting that is inappropriate, excessive or poorly designed spreads into unwanted places. This is known as ...

The best ring lights used to be just for vloggers and TikTokers, but now they're essential for anyone attending virtual work meetings as well as Zooming or FaceTiming with friends and family. The ...

Scientists Just Turned Light Into a Remote Control for Crystals Mar. 2, 2026 NYU researchers have found a way to use light to control how microscopic particles assemble into crystals, effectively ...

A representation of ultrawideband PVDF/co-polymer-based ultrasound (US) transducer technology for high-frequency hemispherical optoacoustic tomography and its potential use in hand vascular, dental, ...