A research team in South Korea has developed a next-generation sensor material capable of integrating the detection of ...

Not only do our bodies emit heat as a light we can’t see, a number of cellular reactions related to stress may generate photons of light in a visible part of the spectrum. Weirder still, this ...

If you're dealing with eye strain from computer or phone use, blue-light glasses may help. So could shutting down devices a ...

At the core of the breakthrough is an optical parametric oscillator (OPO), a resonator that converts incoming laser light into new frequencies using a nonlinear crystal. For decades, OPOs have been ...

A single phototransistor mimics retinal bipolar cell function while detecting visible and infrared light, enabling low-power ...

A Caltech team has developed a highly efficient method to provide coherent light of any wavelength from visible to mid-infrared with a single tiny device ...

The SOAR Telescope, located on Cerro Pachón in Chile, has received a major upgrade with the installation of the SOAR ...

Light-emitting diode (LED) face masks are all the rage. Depending on the colour you choose, manufacturers promise they will ...

Visible light, infrared, ultraviolet, X-rays, gamma rays... These terms are not unfamiliar to us. Together, they form the ...

Prolonged exposure to blue light from screens causes eye strain and poor sleep. Experts urge adopting healthier screen habits ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly, the National Air and Space Museum's signature magazine that explores ...