How Many Lightbulbs Does it Take to Change the World? One. And You’re Looking At It. (Charles Fishman, Fast Company, via Brothers Judd)
Swirl bulbs don’t just work, they pay for themselves. They use so little power compared with old reliable bulbs, a $3 swirl pays for itself in lower electric bills in about five months. Screw one in, turn it on, and it’s not just lighting your living room, it’s dropping quarters in your pocket. The