Long ago before viable solar panels, solar collectors such as...

  1. .y.
    3,566 Posts.
    Long ago before viable solar panels, solar collectors such as focussed mirrors and wind turbine generators were invented and had become extremely efficient due to the extreme coercivity of Terfenol-D based Rare Earth Magnets had been discovered I might add.
    Or Dysprosium doped Neodymium/Praseodymium Rare earth magnets.

    Laugh and poke fun all you wish it just shows you for who you are.

    As in personality wise and the defects contained within.
 
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