http://www.washingtonmonthly.com/features/2001/8004.easterbrook-fulltext.html
"The external fuel tank, for instance, is full of oxygen and hydrogen cooled to -400� F. to make the gases flow as liquids. Ice will form on the tank. When Columbia's tiles started popping off in a stiff breeze, it occurred to engineers that ice chunks from the tank would crash into the tiles during the sonic chaos of launch" -j- _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
