'Caulk-like' stuff could avert disaster
(NEWSER) - Spacewalking astronauts successfully tested a high-tech goo that can be used to repair heat shields and help avert a repeat of the 2003 Columbia shuttle disaster, the Houston Chronicle reports. In work reminiscent of a “tile-and-grout” job, astronauts sprayed the pink caulk onto shuttle sections that were purposely damaged. “Having this in our bag of tricks is really going to be helpful," said one of the astronauts. More»
