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Octopus camouflages to match the color of a boat!
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The stabilization system of the gun on the German tank Leopard 2
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When in zero gravity nothing to hold on to😄
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Psychology way to lose weight without trying
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"If you want to persuade someone to do something, start small before moving big"
www.en.m.wikipedia.org/wiki/Robert_Cialdini
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The wave generator
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How to lift weights.
First, the layout man does it wrong, then right. (Look on the spine)
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The absorption of a star by a black hole (simulation)
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The halo is an atmospheric optical phenomenon, like the rainbow. The nature of this the dispersion of light in ice crystals
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🐍Snakes everywhere 😱
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How to make hot ice!
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Copper in the reaction with nitric acid
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🐘Perspective
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🐔Chicken head tracking
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🚁The swashplate compensates for the difference in lifting force on the leaf during the movement of the helicopter.
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