Compact-fluorescent lights, or CFLs -- the bulbs that look like a twisted ice-cream cone (and won’t fit in many light fixtures where space is tight) -- will become the new norm.

A federal ban on the sale of incandescent lightbulbs is now in effect as of Aug. 1. While the bulbs are still legal to own, retailers are prohibited from selling them and companies from making them.

The Jan. 1 deadline to end production of 60- and 40-watt incandescent light bulbs is fast approaching, but most Americans aren't even aware that their traditional light sources will soon become a ...

Photons can come in all the colours of the rainbow ... Sun and a light bulb, requires objects to be really hot for us to see it. As you already know, you can see glow-in-the-dark paint, but ...