This is intense!
Later this summer, Austrian skydiver Felix Baumgartner will ascend to 120,000 feet in a pressurized capsule and, wearing only a spacesuit, jump.
…To even attempt this will expose him to many challenges, including the risk that water in his body could vaporize.
via Skydiver Aims to Smash Record, Sound Barrier in 23-Mile Jump | Playbook | Wired.com.