How many does it take to change a light bulb?
Five: Three to design a nuclear-powered light bulb that never needs changing, one to install it, and one to write the computer program that controls the wall switch.
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Five: Three to design a nuclear-powered light bulb that never needs changing, one to install it, and one to write the computer program that controls the wall switch.
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Small Appliance Savings
Spending more time in the kitchen during the holiday season? Here’s one way to be more energy efficient: Unplug small kitchen appliances, like toaster ovens and microwaves, when not in use. You could save $10 to $20 per year.