Robert Seeberger wrote:
> Along with his shuttle flights, Gibson underscored his familiarity with
> g-forces in flying high-performance jet fighters for 30 years. He took note
> of "greying-out", "blacking-out" and "GLOC" - short for "G-Induced Loss of
> Consciousness," drawing from personal experience. There is absolutely no
> risk of any of these sorts of conditions while riding roller coasters, he
> said.
Depends on how high the G-force is, and how low your blood pressure was to
begin with. If you have really low blood pressure, you might grey out for a
second or so when you hit a high G-force point in the coaster. (But then
you'll probably hit something a bit later that'll encourage the blood to run
*towards* your head, which will help balance things out before the end of
the ride.)
Julia
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