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Rock defies laws of physics. Possible prehistoric tool? Found in Germany
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[quote:Anonymous Coward 18177755:MV8xOTAyMjM5XzMxNzk4NTIwXzQyNzYwQTY1] The base of the stone is curved in the same way as the blade of a propeller. As the stone rotates, it wobbles on it's shaped base & that translates into rotational energy. That rotational energy is directed through the curved base of the stone which wants to rotate in the direction of the curve like a propeller. That, or it's aliunz. :blink: [/quote]
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Rock defies laws of physics. Possible prehistoric tool? Found in Germany
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