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Have you ever wondered why rooms with thick curtains tend to stay warmer in the winter? If you’re interested in reducing your family’s carbon footprint or simply want to help your folks save a little ...
Have you ever watched an ice cube melt? The process of water contracting and expanding as it freezes and melts is a fascinating one. Perhaps you’ve noticed that the ice cubes in drinks melt faster if ...
Your mission—if you choose to accept it—is to construct a parachute that will deliver an egg safely to the ground when dropped. No fancy allowed! You can only use familiar household items like plasti ...