The Earth’s core is hot from radiation. cool. School was wrong.

Dude, we’re #radioactive awesome! The crap I learned in school was wrong; yay!
“Neutrino flux measurements from the Earth’s core show the source of about two-thirds of the heat in the inner core is the radioactive decay of Potassium, uranium and thorium.
This has allowed plate tectonics on Earth to continue far longer than it would have if it were simply

driven by heat left over from Earth’s formation;
or with heat produced from gravitational potential energy,

as a result of physical rearrangement of denser portions of the Earth’s interior toward the center of the planet (i.e., a type of prolonged falling and settling).”

#convection cool.

#science #school http://en.wikipedia.org/wiki/Natural_convection #Kamland 

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