"R. Gardner" writes:
Don't look at the
ground below you! The fast motion your eye see confusses the brain because
it senses that you are not realy moving. Look at a distant horizon to help
ease the on set of motion sickness. That helps the brain think that what it
sees is what it also senses with motion.

Heh. The one time I got really air sick during my flight training was
when I started to learn turns around a point. Constantly looking at
the ground pretty close to me, while going around and around and
around... :-)

Chris