Later this summer, Austrian skydiver Felix Baumgartner will ascend to 120,000 feet in a pressurized capsule and, wearing only a spacesuit, jump.
As he plummets 23 miles in the highest skydive ever, Baumgartner will become the first person to break the sound barrier in free fall. That’s the plan, anyway. To even attempt this will expose him to many challenges, including the risk that water in his body could vaporize. But one challenge in particular is foremost in everyone’s mind: What happens when Baumgartner encounters the shock waves that invariably occur when something exceeds the speed of sound?
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My Comment: I wish him luck.