Background Still needed unusual materials to survive the extreme heating conditions Heat sinks Copper, tungsten, molybdenum, beryllium · Shuttle ablators Teflon, nylon, fiberglass Mercury, Gemini, apollo, IcBMsBackground • Still needed unusual materials to survive the extreme heating conditions – Heat sinks • Copper, tungsten, molybdenum, beryllium • Shuttle – Ablators • Teflon, nylon, fiberglass • Mercury, Gemini, Apollo, ICBMs