New Years Ball Answered
I don't know if you heard, but the ball that drops in Times Square every new year was energy efficient this year. It was twice as bright, but only used as much power as ten toasters. How do you think they did it? I'm thinking all LEDs. It was a neat thing for them to do, regardless.
The following picture is from the Associated Press
UPDATE: T3h_Muffinator looked it up on wikipedia. They switched to LEDs this year. Link