Such radio waves act like the microwaves in an oven, heating organic matter up to the point where, if it was not dead already, it soon will be.

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The concept of heating underground coal to a combustion point may lead one to recall Centralia, PA, an abandoned town in Pennsylvania sitting on a coal seam which has been burning for 50 years, but the UCG controlled process makes that outcome highly unlikely.

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And they reckon that, overall, the surface of the sea becomes two or three times warmer at the high point of the cycle than mere solar heating can account for.

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