re-usable condom

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Wind-powered fan.

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The Human Centipede

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Reusable Toilet Paper

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Pakistaian alarm clock

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Physics.

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color blind bomb rigger

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MTV

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Sunglasses without lenses.

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Transparent makeup.

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Transparent glass!

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chocolate toothpaste

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Saltwater

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the power to distinguish powered doughnut fillings after you eat them

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Flame Retardant Barbeque Pit

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Dehydrated water...

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Hearing Aid commercials on the radio.

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A paint by numbers coloring book for blind people.

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Doorless hinges.... Or hingless doors

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Chocolate skittles.

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A device that surfs the web in the palm of your hand, but only when it hooks up to your computer

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Earphones that only work when you've muted the sound.

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Unsliced bread

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White Crayons.

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Pointless Inventions

Sometimes an invention is so useless it's almost hilarious. Check out these pointless inventions and create your own!