She unfolded its seven-foot arm, then worked at positioning the calipers with the fewest possible moves.

NEWYORKER: The Martian Chroniclers

He suffered broken bones and detached retinas, but out of these wild rides - by December 1954, Stapp had volunteered for 29 rocket sled deceleration and windblast experiments - came improved helmets, arm and leg restraints, better aircraft seats, stronger safety harnesses and techniques for positioning the body to help absorb powerful forces.

BBC: Before Baumgartner: Five daredevils who helped science