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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Are You a "Fan" of Saving Energy?
Don't forget to turn off the fan
Turn off kitchen, bath and other exhaust fans within 20 minutes after you’re done cooking or bathing. When replacing exhaust fans, consider installing high-efficiency, low-noise models.
Source: energy.gov