Light bulbs

Now, a bulb powered by gravity for India

A British company has developed new `incredible` light bulbs which are powered by gravity, for free ...

Soon, LED light bulbs that last more than 20 years!

LED light bulbs which uses very little energy and are said to last more than two decades, are expect...

Energy saving light bulbs contains carcinogenic chemicals

Researchers have warned that use of energy saving light bulbs contain cancer-causing chemicals.