Video: Light bulbs at the center of a burning debate
Sunday, December 18, 2011 - 12:31
in Physics & Chemistry
It all stems from a law signed by George W. Bush in 2007 requiring that the most popular light bulbs be at least 25% more energy efficient in one year. Lee Cowan reports on the debate between the warm glow of the watt-sucking incandescent and the energy efficient LED.