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

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

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 ...

Scientists were surprised to discover cassowaries glow under ultraviolet light. It may help the birds distinguish between ...

Paris Hilton's ISHU scarf uses nano-crystals to reflect camera flashes, making faces disappear in photos but costs $268-$478 ...