How many NC State engineering students does it take to replace an inefficient light bulb with an energy-efficient one?
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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Energy Efficiency Tip
Properly hooking up your clothes dryer can help save on energy costs. Check to make sure the dryer vent hose is tightly connected to the dryer and also to the inside wall fitting. The vent hose should not be kinked or clogged.