-----Original Message-----
From: Ed C Sugrue <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Saturday, March 17, 2001 6:54 PM
Subject: RE: Zero-G Health Impacts
>
> Financially speaking -- any guesstimates on how much it might cost to
build a centrifuge? Say, for example, that we'd be talking about a
centrifuge in a landed colony, on the moon or Mars. The gravity would not
pull insiders straight downward, nor would it pull them directly out to the
side, but would exert a tug in a direction somewhere in the middle --
although most of the force would pull toward the sides. How much might such
an apparatus cost?
>--
Probably not all that much -- it would certainly be an elementary necessity
for a lunar colony (and probably a Martian one, although the gravity there
IS over twice as much as on the Moon). Yet agin, Poul Anderson talked about
the need for dreary daily exercise sessions in such a gadget for lunar
colonists in his "Harvest of Stars" series (and he's surely not the only SF
writer to mention it).
Bruce Moomaw
==
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