The Cutting Edge Of Space-Age Technology

Duct tape. Yes, duct tape. But remember, most astronauts are guys. From The Guardian.

Nasa has solved another sticky problem using its favorite space-age repair tool: the humble roll of duct tape. First pressed into service during the homemade repairs that saved Apollo 13 from disaster in 1970, the tape has since been at the centre of a variety of ingenious quick fixes dreamed up by the space agency's scientists.
The latest patch-up will secure British astronaut Piers Sellers to his jet-propelled backpack today for the final spacewalk of the shuttle Discovery's 13-day mission to the International Space Station.