Re: The Extinction Challenge

From: Michael S. Lorrey (mike@lorrey.com)
Date: Sat Jul 31 1999 - 09:45:30 MDT


John Clark wrote:
>
> Billy Brown <ewbrownv@mindspring.com> Wrote:
>
> >If it were all neutrinos an average human would stop a grand total of maybe
> >10^-17 % of that flux, which amounts to around 10^-7 electron volts -
> >in other words, less than one interaction.
>
> I have no idea what you're talking about. You seem to saying that a human
> body would not absorb even one neutrino from a nearby supernova, but
> you can't possibly mean that.

Then why did you say a body the size of a planet would not stop it? It
follows that if a whole planet will not stop even a large fraction of
the neutrinos, then a puny human body will not absorb any.

Mike Lorrey



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