Ultraviolet (UV) radiation is a type of light. Sunlight has UV rays, along with other kinds of rays. Some light bulbs give off UV rays, too. UV light bulbs are used in tanning beds and lamps, some ...

Slow light is an electromagnetic wave with a group velocity reduced by optical resonances in the medium through which it is travelling. These resonances can occur in atomic vapours, in photonic ...

For the first time, physicists have created a one-dimensional gas made out of pure light, and they want to use it to study how photons, or particles of light, behave on a quantum level.

As an HGTV host and interior designer with a decade of experience, I’ve found that the immense impact of household lighting is often overlooked, yet I’ve never had a client that didn’t revel ...

80% of the world’s population are exposed to excessive or inappropriate use of artificial light outdoors, dubbed light pollution. Light exposure at night can lead to many health problems, including ...