Spacewalk: giant leaps for mankind

In May this year, a serious leak of ammonium coolant caused an emergency on the International Space Station. There was only one way to fix the problem: to go out into the vacuum on a spacewalk. This week ESA astronaut Luca Parmitano had to cancel a scheduled sortie into space after just an hour and a half of work after water leaked into his helmet. In both cases the astronauts and ground cont...
http://www.euronews.net/