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Joined 2 years ago
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Cake day: August 9th, 2023

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  • Yes.

    Structure and Interpretation of Computer Programs makes a distinction between recursive procedures and recursive process. A recursive procedure calls itself, but the compiler or runtime could potentially process it in an iterative way. The stack won’t blow up. A recursive process, however, will always blow up the stack if left unchecked.













  • Compared to NASA, SpaceX is developing at a breakneck pace. The SLS has its roots in the Constellation program from 2005 which itself came from the 2004 report “Vision for Space Exploration”. That was when NASA finally admitted the Shuttle was never going to live up to its original goals and it had to go.

    Ares V is a reconfiguration of Shuttle hardware into a more traditional rocket. It’s still taken two decades and has one test launch to show for it.

    SpaceX is the only Musk company I’ll defend, and it also seems to be the one that’s best at keeping Elon from fucking around with them internally.

    That said, the whole point of commercial launch systems is that it’s not just one company doing it. Blue Origin might finally have something to show off soon, but there’s nobody else at a reasonable development level. Virgin Galactic only seems interested in space tourisim. (Edit: for completeness sake, I should also add that ULA is a joke.) A bunch of small companies are doing R&D, but few have even a single small launch yet. If it’s just going to be SpaceX, might as well make it a government-run company like the USPS.


  • As bad as it is, when it does work out, it’s way, way better than flying.

    Took a trip to Minneapolis on Amtrak from Columbus, WI (closest station to my house in Madison). Everything is so much more low key than air travel. Seats are fairly comfy, and have legroom that might even beat first class air travel. Food is . . . no worse than airlines.

    Most of all, I didn’t feel tired at the end of the trip. Air travel always makes me want to spend the rest of the day in bed.

    We’d probably go out of Wisconsin Dells next time. It takes the train an hour to go between the Dells and Columbus, and the extra drive time is less than that. But we also found this wonderful pizzeria not far from the station in Columbus, so idk.