/u/yoshhash's posts in /r/askscience
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I know that energy is not created or deleted, only transferred from one type/place to another. Where does the energy go when you pedal a magnetic exercise bike?
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I have seen heating elements get progressively weaker as it gets older. Does this mean that it also progressively consumes less electricity? Are there further disadvantages (ie- fire hazard)?
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Is Peak Oil a disproved theory, given all these references to the current oil glut causing the oil industry to flounder?
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you squeeze and release magnets to the point of exhaustion. Where does that energy go (ie- what does it come out as)?
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