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Joined 3 years ago
Cake day: July 4th, 2023
  • So, one observer will see those oscillations happen faster than the other?

    Not quite. In each observer’s frame of reference, time appears to pass the same; it’s only when you try to reconcile the between two objects that are not at rest with respect to each other does relativity show up.

    Basically, when you bring someone back to Earth, the observers will find that their watches don’t match up even though both observers experience time passing the same way as normal (because the oberserver is by definition at rest with respect to their own frame of reference).

    TL; DR: Relativity is a pain in the ass and makes no sense in everyday terms.

    edit: disclaimer - I am not a physicist and have not taken physics classes in a decade plus, but I do teach science at a college. I’m going mostly on half-remembered lectures and some random one-off discussions I’ve had with my buddy in the physics department over the past few years.

  • It’s been a long time since I took modern physics, so I’m not positive, but I think you’re right that the moon would have time moving slower, and if your 50ms/day is right (edit: I based this on the moon traveling faster than the earth, but I don’t know anything about gravitational relativity, so that’s probably wrong) then you’d need to do something like skip a second every 20th day on the moon to keep pace with Earth. We could call it an “anti-leap-second”

    Programmers, that seems pretty simple; what’s the big deal? /s

  • No, the moon’s rotation isn’t on a 24-hour cycle. I’m not an astronomer, but I pretty sure since it’s tidally locked to earth and on a 28-day cycle around the earth, a lunar day is actually 28 Earth days, but I’m not actually sure how that would factor into the number of time zones (I’m pretty sure it would be more complicated than just 24 time zones to match 24 time zones on earth, though).

    Plus, I think the speed of the moon relative to the sun is different enough from Earth that you need to take relativity into effect, which is the real headache here.

  • Not a programmer, but I run Neutral Good + Lawful Neutral at the office, because my work issued a docking station with two symmetrical monitors, but they also issued me a laptop instead of a desktop, so what am going to do, not use the third monitor?

    So, it’s ugly, but it works since I either put baseball on one of the big monitors or Spotify on the laptop, and work on the other two.

  • This. Some of the users in my favorite niche communities have migrated over, but overall, it’s still a bit of a ghost town compared to the same niches on Reddit.

    Reddit was at its best when you stuck to the smaller subs where people were primarily positive and cheering on newbies, which really makes for active, welcoming communities that I truly miss. Having a bigger user base in those smaller communities is invaluable, because having a place to come and get advice from people who’ve been around the block is way different than the blank canvas you find in the same communities on Lemmy. My personal favorites were subs that specialized in “you like this? Have you tried that?”-type threads, and one of the coolest community norms I ever saw was in r/doommetal, where instead of blacklisting bands that got posted too often, they had the “Green List,” and anyone who posted anything from the Green List was cheered on and inundated by suggestions for more bands similar to the OP.

    I found many of my favorite small bands and content creators in subs like r/doommetal, r/OSR, and r/boardgames, and the amount of good advice I got in subs like r/professors, r/luthier, and r/chempros is impossible to overstate.

    I’ll miss my reddit niches, and I just hope the Lemmy niches eventually grow up to be a real replacement for those communities.