Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
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By peeing in the shower, you can save 1,157 gallons of water a year.
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The WD in WD-40 stands for Water Displacer.
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Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
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Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
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You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
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You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
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Speed dating was invented by a Rabbi in 1999.
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