Quote:
Originally Posted by beaner
Right... I'm not saying it is perpetual... I am saying that the magnet used below the battery is crazy strong... introduced in the last 15 years or so... and technology is not using it.
Guess the magnet?
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A rare earth magnet will do this with a battery, rare earth magnets have commonly used applications such as wind turbines.
There's nothing here which isn't already being exploited in technology that is all around us.