It's weird that the one room in your house where you're constantly killing time waiting for the microwave to finish, or the stove to heat up, has the least number of distractions to keep you entertained. And a fridge covered in magnetic poetry (yawn) isn't the answer, but a magnetic Newton's Cradle hanging from the door certainly is.

Every time you open and close the door to grab something you'll be treated to an interactive physics lesson demonstrating the laws of conservation of mass and energy. And that unmistakable clack-clack-clack sound can actually be kind of soothing while you're loading the dishwasher. It's like a $15 white noise generator that also happens to be incredibly addictive to play with, and you'll never have to watch and wait for a pot to boil ever again. [ThinkGeek]


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