Save Money, Light Better: Walmart Will Switch 100s of Stores to GE LEDs
Save Money, Light Better: Walmart Will Switch 100s of Stores to GE LEDs
Fifty years ago, physicist Nick Holonyak was tinkering with lasers in his GE lab when he discovered the world's first light-emitting diode. "We knew what happened and that we had a powerful way of converting electric current directly into light," Holonyak says. "We had the ultimate lamp." His team called it "the Magic One."