How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

Scientists have unveiled a groundbreaking discovery: a material capable of bending light in unprecedented ways. This advancement opens up possibilities for innovations in optics, including superlenses ...

This article was originally featured on The Conversation. For most of human history, the stars blazed in an otherwise dark night sky. But starting around the Industrial Revolution, as artificial light ...

Excessive artificial light at night (ALAN) harms ecosystems and human health. LED lights, while energy-efficient, often produce excessive blue light, worsening ALAN. Properly designed outdoor lighting ...

In 2008, astronomers detected an unexplained bright object located 25 light-years from Earth in the Piscis Austrinus ...

Light can evaporate water. At least that seems to be the case, according to a new study published in the journal Proceedings of the National Academy of Sciences. The new study posits that light can ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: In quantum field theory, a vacuum ...

Forget LEDs, researchers from the University of Michigan have developed a new type of incandescent light bulb. The device is capable of emitting elliptically polarized light, described as "twisted" ...

Light pollution has steadily intensified and expanded from urban areas, and with the advent of LED lighting, it is growing in North America by up to 10% per year, as measured by the visibility of ...

By directly communicating with the brain, a new wireless device could someday help restore lost senses or manage pain without medications, its developers say.

Will farms ever move indoors? If the world’s burgeoning population runs short of food, they may have to, and crops may be harvested in great windowless greenhouses, shut off from natural light.