Engineering, 06.10.2021 05:20, hunterthompson2

occasionally someone claims to have built a machine that can run forever, producing as much energy as it consumes. this has always been disproved because it violates

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Engineering, 04.07.2019 18:20, maustin5323

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Engineering, 04.07.2019 18:20, xcapo1x

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occasionally someone claims to have built a machine that can run forever, producing as much energy a...