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Acoustic firefighting
DARPA Demos Acoustic Suppression of Flame
Posted 11 years ago by boyt in category: interesting   Comments (0)

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Where is the True North Pole?
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This Video Will Hurt
Nocebo
Posted 10 years ago by WalVis in category: interesting   Comments (0)

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Building the Pyramids of Egypt
A detailed step by step guide.
Posted 10 years ago by boyt in category: interesting   Comments (0)

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How do Trees Survive Winter?
Posted 10 years ago by nypd in category: interesting   Comments (3)