There's a lot of energy there to be tapped.
The planet's core is in no danger of solidifying for as long as humanity's around.
( ,
Thu 17 Jun 2010, 14:56,
archived)
Not while we're not POURING COLD WATER INTO THE EARTH'S HEART there isn't.
( ,
Thu 17 Jun 2010, 14:59,
archived)
Fair point.
But there'd be fewer volcanic ash clouds, so, y'know, swings and roundabouts...
:)
( ,
Thu 17 Jun 2010, 15:02,
archived)
:)