Recently I spent an afternoon changing all the light bulbs in my home to fluorescent devices. It's not mandatory in the U.S., but it saves energy. In places where it is mandatory, like England, ...
The first artificial source of light was nothing more than a burning stick — about a million years ago. About 5,000 years ago, a wick and some oil in a clay jar became the first lamp and replaced the ...
Light-bulb standards mean you'll need new fluorescent fixtures, will pay more for halogen spotlights
Because fluorescent bulbs last so long, there may not necessarily be a rush to replace the fixtures in the next six months. Joseph Howley, manager industry relations for GE Lighting in Neela Park, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback