[shuttle] Shuttle Tiles had History of Glitches — backgrounder on the history of Space Shuttle tiles …‘It took forever to glue on the thermal tiles that shielded the space shuttle from the scorching heat of reentry — nearly two man-years of work for every flight — and the glue dried so fast that technicians had to mix a new batch after every couple of tiles. But they came up with a solution: spit in the glue so it took longer to harden.’ [via Robot Wisdom]
