The use of alternative light sources and ultra violet lighting has changed and improved drastically over the last few years. The concept, however, remains the same as the purpose of alternative light ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. An international team of scientists believe they have finally ...

The outdoor world is growing more and more illuminated with artificial light. More than 80 per cent of the world's population lives under a “lit sky”, and in Europe and North America the figure is ...

Add Yahoo as a preferred source to see more of our stories on Google. Here's why you might want to consider swapping out all your incandescent bulbs for more efficient sources of light. (Getty Images; ...