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Ever Thought of Solving a Rubik’s Cube While Skydiving? [Video]
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Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on Google+ if you'd like.
Don’t tell me that the parachute doesn’t open until you solve the Rubik’s Cube
pH, a common notation used to indicate a mediums alkalinity or acidity, stands for “potential hydrogen”–as it is a measure of the concentration of hydrogen ions in the medium.
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