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169
Joined
2 yr. ago
  • So, a typical pupil is around 2 mm in diameter in bright conditions. With the Rayleigh limit that results in an angular resolution of 1.22 * 60010^-9 m / 210-3 m = 3.66*10-4 rad

    At a distance of 5 x 3 mi = 15 mi = 24.1 km this corresponds to a point to point distance of

    tan(a/2) = (d/2)/l

    d = tan(a/2) * l * 2 = tan(3.66*10^-4) * 24100 * 2 = 8.8 m

    So in conclusion, with regular, human-like eyes he could discern points that are at least 8.8 m apart in the best case scenario. Discerning hair color from the color of the clothes would need a much higher resolution, and the horsemen are probably not 10 m apart from each other either. And again, this is a theoretical limit, real-world resolution would probably be significantly lower.

  • I find it really interesting that almost all of the recent comments on the YouTube video are 95% the same and praising "how great all this transparency" is, completely drowning out all other comments. They're also worded very very similarly.

  • They're both code/text editors, or what would you call VSCode instead? An IDE? you can make an IDE out of nvim if you want.

    Yes, there is a vim mode in VSCode, but in some cases it can be very slow (like editing a few thousand columns at once), and is not as tightly integrated.

  • 1 kW is 3412 BTU/h (=BTUs)

    Most induction stovetops have a boost function with around 3-4 kW (that's about 13000 BTUs).

    BUT contrary to a gas stove top, almost all of the energy is actually put into the pot instead of the surroundings (only 30-40% of the energy from a gas stove is used to heat the pot). Meaning that a 4 kW induction cooktop should be comparable to a 40'000 BTUs gas stove (single burner).

  • Most nvim users I know have their setup very much customized. That takes time, effort and is a pita. But afterwards you have a tool that just works like you want it to work, and is super fast (at least compared to VSCode).

  • TeXStudio if you want something that is easy to set up. VSCode + LaTeX Workshop if you need features from VSCode (other extensions, git integration,...).

    Note that you still have to bring your own LaTeX installation (I always use TeXLive, but there are other options)

    For literature I've found Zotero + BetterBibTeX plugin very nice, otherwise JabRef also exists but is much more "raw".

  • Reference management is one thing LaTeX is really good at. Especially if you use it with a literature management system such as Zotero.

    VSCode + LaTeX Workshop Extension is what I use today, but I would recommend TeXStudio as editor if you don't need any specific features from VSCode.

  • eh, back when the "exodus" was happening it felt like every second post is about defederation. Nowadays you don't hear much about it anymore, but if you only looked back then I see how you could come to that conclusion.

  • No Stupid Questions @lemmy.world
    hinterlufer @lemmy.world

    Why is OCR for handwritten content still that bad?

    It seems like with the current progress in ML models, doing OCR should be an easy task. After all, recognizing handwritten numbers was one of the prime benchmarks for image recognition (MNIST was released in 1994).

    Yet, when I try to OCR any of my handwritten notes all I ever get is a jumbled mess of nonsense. Am I missing something, is my handwriting really that atrocious or is it the models?

    Here's a quick example, a random passage from a scientific article:

    I tried EasyOCR, Tesseract, PPOCR and a few online tools. Only PPOCR was able to correctly identify the numbers and the words "J." and "Chem.". The rest is just a random mess of characters.

    Edit: thank you all for shitting on my handwriting. That was not asked for, and also not helpful. That sample was intentionally "not nice" but is how I would write a note for myself. (You should see how my

    Gardening @lemmy.world
    hinterlufer @lemmy.world

    What to do with flower bulbs in this time of the year?

    So I got my hands on some flower bulbs which are typically meant to be planted in spring and I was wondering what I could do with them now. To be concrete, I have

    • Dahlia
    • Mirabilis jalapa
    • Ixia

    I'm in USDA zone 7b/8a and I could either place them on a south facing balcony or inside. I've also read that you can force flowers in a vase with some bulbs such as Hyacinths but I haven't read anything about that with the ones I have. Or should I just keep them in storage until next spring and plant them then?