How much energy does it take to keep a (large) bumble bee stationary at hedge height? How much nectar is required to supply this

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• Asked by kitlatham
• on 2010-06-16 11:43:20

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Last edited on: 2010-06-16 15:59:03

Categories: Animals.

Tags: energy, bees, hovering.

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could you somehow use the earth's magnetic fields to make levitating cars

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• Asked by stella1
• on 2010-06-15 09:58:40

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Categories: Transport.

Tags: hovering.

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