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Date: Thu, 12 Feb 1998 09:50:39 -0800
From: Leigh Palmer <palmer@sfu.ca>
Subject: Re: REPLY TO ALL (about textbook misconceptions)
... we need a book, with explanations ranging all the way from the level
of mine to the level of David Bowman's.
... I merely refer (and not at all obliquely) to the principle of
equivalence. If you claim that there exists something called "gravity"
you should be prepared to offer an operational definition by means of
which it can be measured.
According to the principle of equivalence there is no experiment
which can be performed which will didtinguish locally between the
presence of a gravitational field and acceleration of the frame in
which the measurement is carried out. ....
Calling the shuttle a microgravity (better would be migro-gee) is
entirely appropriate. ....