It is a rare person who has not experienced to some degree that queasy and dizzying sensation brought about by a change in equilibrium. Remember the time in your youth when you couldn’t get enough of roller coasters and other mind-boggling rides? Then, at some later age, the fun stopped and you spent most of the ride fighting off the nausea, eyes clamped shut, praying for the end of the ride.
    Opting to take a roller coaster ride is a choice adults can easily defer, but a...

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