NASA scientists are using a 20-G centrifuge machine that can simulate up to 20 times the terrestrial gravity to evaluate the effects of hypergravity on humans. The goal of these experiments is to reduce the adverse effects that space travel can have on astronauts' physical heath but also to help the rapidly growing senior population.
We are having a field trip to a roller-coaster nearby in the high school. NASA has a big roller-coaster.
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