About Fluorescent Light Bulbs. By David Hancock. March 15, 2007 / 8:58 AM EDT / CBS News CBS evening news associate ...

The days of turning the light switch on a lamp – and possibly burning your hand on the bulb – is a thing of the past. At least, according to B.Light Design. IE 11 is not supported.

Compact fluorescent bulbs are made of glass tubes filled with gas and a small amount of mercury. CFLs produce light when the mercury molecules are excited by electricity running between two ...