The seemingly mysterious ability of magnets to influence motion at a distance without any apparent energy source has long appealed to inventors.
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Zack Handlen of " The A . V . Club " awarded the episode an " A ", applauded Duchovny's apparent energy to be acting on the series once again.
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Gravity also acts at a distance, without an apparent energy source, but to get energy out of a gravitational field ( for instance, by dropping a heavy object, producing kinetic energy as it falls ) one has to put energy in ( for instance, by lifting the object up ), and some energy is always dissipated in the process.
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