Should Humans Still Spacewacewalk?

摘要

Robots can handle many dangerous jobs. But sometimes, you need an astronaut's brain. IT'S June 3,1965, and astronaut Ed White, in orbit over Hawaii, emerges from a space capsule, becoming the first American to conduct an extravehicular activity, or EVA. Connected with a single tether, he maneuvers using an oxygen gun for propulsion, and poses for pictures, "I feel like a million dollars," White says.