[ExI] fermi question alive and well

John Clark johnkclark at gmail.com
Fri Mar 29 19:13:24 UTC 2019

On Fri, Mar 29, 2019 at 1:06 PM Will Steinberg <steinberg.will at gmail.com>

> *Why do you assume a Dyson Sphere is the only way for a civilization to
> get lots of energy? *

I don't. But why do you assume there is a mystery at all, much less a
mystery that requires an outlandish explanation to solve?

> *> For all we know, they've figured out a way to harness energy that
> causes the expansion of the universe. *

It would not make the slightest difference if they did.  After ET extracted
work out of that expansion energy the second law insists there would be
waste heat, and we just don't see it.

*> Or, idk they made themselves a small black hole and throw planets into
> it and collect Hawking radiation and use lasers to send the the energy back
> to their planet.  *

Once again that would make no difference, the specific way ET gets his
energy is not important, what happens to that energy after its been used
is. I don't even care if ET gets his energy from a perpetual motion machine
because that would only violate the first law not the laws of logic as
breaking the second law would; and if ET is extracting work out of energy
without producing waste heat then ET is violating the second law of
thermodynamics regardless of how he got the energy. And that is just nuts.

 John K Clark

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