Scientists have made the first experimental observation of matter wave diffraction in a short-lived electron-positron atom.

Light has always carried more than brightness. In this case, it also carries direction and twist. That mix may open a new ...

Crystalline arsenic trisulfide shows record photorefractive response and can be laser-patterned at 500-nm resolution without ...

Researchers have shown that surprisingly large metal particles can behave according to quantum mechanics, existing in ...

A single gold nanorod, far smaller than a wavelength of visible light, can be coaxed into emitting circularly polarized ...

A luminous swirl set against the deep black of space, the barred spiral galaxy IC 486 glows with a soft, ethereal light in ...

Light does more than illuminate the world—it can also push and twist matter. It was back in the 1870s that James Clerk ...

I took the Irix Edge Light Pollution Filter on a night shoot to capture astro and low-light city shots. Here's how I got ...

Researchers at Ben-Gurion University of the Negev have developed a new approach to secure optical communication that hides ...

Shoot for the stars with the cheap and cheerful, feature-packed K&F Concept Natural Night light pollution filter ...