NASA veteran Paul Lutus comments in a thread about the Challenger Space Shuttle disaster with his own story of forcing a safety improvement to the space shuttle.

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A ‘Show HN’ of a space shooter game written in QBasic helps a commenter remember a similar project from their teen years.

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An expert comment about the obscure video tape format used to tape the first Super Bowl, from an HN user who worked for “the one guy who refurbishes them” 25 years ago.

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A great thread about “unfashionable” programming languages.

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A Turing Machine emulator implemented in TECO from Martin Minsky’s home directory (this particular thread is from 2015, but was brought up again in tribute threads after his recent passing.)

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If you experience a thoughtful, surprising or delightful moment on HN, submit your suggestions to us for future HN Highlights via macro@ycombinator.com.