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Why Are American Health Care Costs So High?
Posted 10 years ago by boyt in category: interesting   Comments (6)

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Do Blind People Know What They Look Like?
Posted 7 years ago by hanks in category: misc   Comments (0)

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The work behind an artist's photo
Includes buying 17 square meters of mirrors and a lot of time in Photoshop.
Posted 8 years ago by PennY in category: art   Comments (1)

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Nitinol: The Shape Memory Effect and Superelasticity
Bill Hammack - The Engineer Guy
Posted 5 years ago by Grandpa in category: interesting   Comments (0)

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Hand digging a well in Mexico
The well provided water at 4 meters 13 feet) . 1500 gallons of fresh water (5676 liters) which replenishes itself in a few hours. At 2 meters a piece of a pot was uncovered. At 3 meters rocks with veins of what appears to be some metal was excavated.
Posted 9 years ago by wolfram33 in category: interesting   Comments (0)