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A boomerang can execute its unique roundtrip flight by making use of three fundamental physics principles: lift, relative velocity, and gyroscopic precession.
Posted 3 years ago by helios28 in category: science   Comments (0)


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WTF
Posted 3 years ago by boyt in category: wtf   Comments (0)


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Posted 3 years ago by boyt in category: fail   Comments (0)



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A Chinese farmer who lost his hands in an accident turns misfortune into a family enterprise with home-made bionic arms that he now sells to other amputees.
Posted 3 years ago by boyt in category: fascinating   Comments (1)


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Posted 3 years ago by boyt in category: animals   Comments (0)