Before installing brighter bulbs, auxiliary or flashing lights on your car, ensure you're not breaking any state or federal laws.
More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...
As temperatures soar and thousands head off on holiday to make the most of the long, hot summer days, we discover 20 ways to keep your cool in the heatwave: Eat small meals and eat more often. The ...