I've seen a few aparent perpetual motion machines
Number 1 is an oil pumping platform. It can pump the oil up from below the ground, only using a fraction of the oil to do it!
We all know that it's not really a perpetual motion machine, but it does show that there are places in nature where you can get something for nothing. You can convert raw materials into energy.
Number 2 is a motor that runs forever - it's hooked up to a solar cell, and as long as it's hooked up, and the sun is shining, it runs forever.
Again, an amazing technology to a scientist of Newton's day, but understandable with the right education.
My two examples are supposed to show that there is probably an explanation other than energy from nothing - but it can still be very useful energy.
If someone seems to have violated the laws of thermodynamics, we're in for a treat. The best discoveries in science have come from someone looking deeply into anomalous results.
Andy
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