Art Unwin wrote:
If I drew a vacuum on a bottle on earth and then let the
black hole apply its forces upon the innards of the bottle
would it extract any thing more than the operation on earth?

An interesting question. Assuming a perfect vacuum
and the entire bottle outside of the event horizon
of the stationary black hole, would the black hole
ever eat the bottle? I suspect the black hole would
collapse space inside the bottle on its way to eating
the bottle.
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73, Cecil http://www.w5dxp.com