Erik Reuter <[EMAIL PROTECTED]> wrote, regarding the pressure at
the center of a spinning space habitat with an 8 km radius:

    Where did you get 0.9? Note that the 3.45 number has a 1/R factor
    in it. If R goes from 5km to 8km, then 3.45 goes to 2.16. Then,
    exp[- 1/2.16] is 0.63. The larger the radius, the lower the
    pressure at the center.

Woops!  My mistake.  You are right.

-- 
    Robert J. Chassell                         Rattlesnake Enterprises
    http://www.rattlesnake.com                  GnuPG Key ID: 004B4AC8
    http://www.teak.cc                             [EMAIL PROTECTED]
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