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THE CHALLENGER SPACECRAFT AND OCEAN GATE SUBMERSIBLE BLEW UP FOR THE SAME REASON.

 The Challenger space shuttle’s structure was made of aluminum alloy.  Titanium was first suggested but deemed too expensive.  The aluminum alloy bottom for the spacecraft was covered with silicon tiles (pasted on by hand) that protected the spacecraft from the 2,500 degree temperatures encountered on reentry into the earth atmosphere.  One of them fell off and the

THE CHALLENGER SPACECRAFT AND OCEAN GATE SUBMERSIBLE BLEW UP FOR THE SAME REASON. Read More »

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