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Friction Drilling
Posted 8 months ago by boyt in category: interesting   Comments (1)

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How a Digital Camera is Made
Posted 2 weeks ago by boyt in category: interesting   Comments (3)

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Vapor cone
Posted 5 years ago by boyt in category: interesting   Comments (0)

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Pororoca surfing
Surfing a long wave in the Amazon
Posted 4 years ago by boyt in category: interesting   Comments (0)

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How to detect a lie
Posted 4 years ago by boyt in category: interesting   Comments (0)