Roger (K8RI) writes:

That is because most of us are used to tactile feed back.

No, it's because some simulators are so realistic that one forgets
that it's just a simulation. This is most common with full-motion
simulators, but motion is not necessarily required.

Actually you can do the same while simming with three large screens so
you have all the visual cues and no physical. Eyes and sense of
balance don't agree...instant queasy.

From what I've read, queasiness sets in from a variety of causes and
the exact mechanism isn't known. I've never been queasy in
simulations, because the scenery just isn't moving fast enough (and if
it were, that would probably be a bad sign). Playing Doom has
nauseated me on a number of occasions, though, and watching _The Blair
Witch Project_ did the same.

Presumably if you're flying the plane it greatly diminishes the
chances of motion sickness. I think it's the ability to understand
the movement that is more important than the ability to feel it; that
is, if the movement you see or feel corresponds to something your
brain can figure out, you won't get sick.

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