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recent bookmarks from jm
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Who Discovered Why The Challenger Exploded?
2017-03-31T11:12:18+00:00
https://emptysqua.re/blog/who-broke-the-challenger-investigation/
jm
richard-feynman sally-ride history space challenger o-rings science engineering nasa
https://pinboard.in/
https://pinboard.in/u:jm/b:73e14c2d6471/