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Micro-black hole (was Re: Hollow earth)

I suppose with a micro-black hole in it it could
also account for the observed density of the earth.

Micro-black holes as planet-destroying weapons have also been a subject in
science-fiction literature.

Such SF scenarios might be useful for classroom discussion of the relevant
physics... and with little likelihood that some student would go off and
construct one in his dorm. :-)


Rick Strickert
URS Radian
Austin, TX