The residential heating showcase is designed to help HVAC contractors learn about the new heating equipment that is available ...

The most important feature of a light box is the light. Make sure that it filters harmful ultraviolet (UV) light. Don’t use light boxes meant for skin conditions, tanning beds, or sun lamps.

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 ...

From the movement of stars to light streaming through stained-glass windows, light has long fascinated scientists and other thinkers. An exhibition at the Getty in Los Angeles explores how an ...

By choosing carefully and planting now, every garden can benefit from the addition of spring-flowering bulbs and every gardener can be transported to next season, when light and colour and scent will ...

The Northern Lights made a rare appearance across parts of the UK on Thursday night - and may be visible again in some parts on Friday. The lights - also known as aurora borealis - were seen in ...

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.