Amazon’s latest deal might have you cancelling your nail salon appointments for the foreseeable future. The retailer slashed ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

Diamonds and similar materials have the quality to be transparent in visible and infrared light. To study the motion of ...

I feel happier, more energized, and refreshed,” said one reviewer after using the SAD lamp. The gray skies and shortened days ...

The realization of compact and reliable diode-pumped solid-state lasers that emit UV light is now opening the door to new industrial applications. Neil Savage describes the uses of the technology ...

Another is to grow cells in single-use reactors, which is wasteful. Ultraviolet (UV) light is another. Yet until recently, generating enough UV-C light, which is required for decontamination ...

It’s notoriously difficult to predict when the sun will belch out a large solar flare — an explosive burst of radiation that ...