Circularly polarized light has properties that make it useful in a growing range of technologies, from next-generation 3D displays to bioimaging tools that can detect signals deep within living ...

NASA’s Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer telescope (SPHEREx) has captured all-sky images from May and December 2025 in this video. Credit: ...

Photocatalysis offers a promising route for using light to produce clean fuels and valuable chemicals. Hydrogen is widely ...

In the increasingly digital world, the demand for faster, more efficient and miniaturized optical devices is ever-growing.

Red-light therapy promises to treat everything from acne and hair loss to depression and chronic pain. Many of these claims ...

Infrared saunas have become incredibly popular, even though they aren’t really saunas at all. To the untrained eye, they basically look the same as what you’d expect a sauna to look like—wood paneling ...