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Cake day: June 18th, 2023

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  • To be clear: to get back to the ground safely, the spacecraft RCS has to operate for no more than about five hours.

    As far as I know, this spacecraft is still certified for emergency reentry, and if they needed to, the crew can get in and leave at any time. And they have good confidence that the spacecraft will get them to earth safely.

    These delays aimed at getting more data to justify certification as an operational vehicle instead of flight test. If it doesn’t work out, the worst case seems to be that a second test flight may be required.

    Delays don’t really cost NASA anything either. There’s plenty of consumables on the station for the crew, and when the capsule is docked the RCS can be shut down so it doesn’t leak.





  • A big part of WWI is that the web of treaties and alliances were all secret, as in classified information by each country.

    NATO is not a secret. The membership roster and terms and conditions are known to all, including potential adversaries like Mr. Putin. This has a major effect on stabilizing international relations because nobody has to guess what NATO would do.

    Despite his rhetoric, we know that Putin understands how NATO works, because he has been pulling materiel out of Kaliningrad. This leaves the Russian exclave extremely vulnerable to an invasion from NATO territory. But Putin is not worried about that, probably because he actually trusts NATO to follow the NATO charter.






  • No, he really doesn’t, because of winner takes all elections and the two party system. The Nash equilibrium is for both major party candidates to align their platforms right on the 50% median voter. This maximizes the votes for both of them.

    In this specific upcoming general election, Biden’s base voters have nowhere to go to except the Cheeto fascist. Not much reason to cater to their policy preferences–they don’t have a real choice. That’s been reflected in the chatter on Lemmy as well.