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Results tagged with Search options answers only user 56837

For questions about sources of power, generation, storage, how much is needed to perform different tasks, etc.

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might use more energy-efficient forms of attack (virus, EMP, swarm of killer drones etc). And it would not stop our biggest ongoing catastrophe, climate change... …
answered Oct 6 by David Hambling
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Simply holding an object above the ground requires no energy; a table can do it all day without requiring any calories. A human holding up an object by is another matter: we cannot simply lock our … skeleton in place like a horse, but use our muscles just staying upright. So, you could have the energy requirement being the same as raising yourself into the air by other means (such as climbing …
answered Nov 13 by David Hambling