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MacN'Cheezus@lemmy.todayBanned to Greentext@sh.itjust.worksEnglish · 1 year ago

Anon ponders modern magic

lemmy.today

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Anon ponders modern magic

lemmy.today

MacN'Cheezus@lemmy.todayBanned to Greentext@sh.itjust.worksEnglish · 1 year ago
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  • Muffi@programming.dev
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    1 year ago

    “extremely rare” is a way of saying second most common that I haven’t heard before.

    • fidodo@lemmy.world
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      1 year ago

      The rare stone thing would be better for nuclear power. Find lots of rare stone, put it together in a huge pile, they get warm and cause mysterious diseases.

      • AngryCommieKender@lemmy.world
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        1 year ago

        Uranium is actually pretty common, refining out the right isotope is the complicated part. Heck there were a couple natural nuclear reactors in a place that generated power for a few million years.

        https://en.m.wikipedia.org/wiki/Natural_nuclear_fission_reactor

        • fidodo@lemmy.world
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          1 year ago

          Isn’t uranium that’s pure enough naturally to cause a reaction on its own really rare? I’m referring to the Chicago Pile experiment. It was so simple that it could have been theoretically built thousands of years ago which is crazy to think about.

          • AngryCommieKender@lemmy.world
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            1 year ago

            Not really. Every single shovel full of dirt has trace amounts. It’s just gathering enough into a pile. Like I said, nature did it on earth, before humans existed. It’s weapons grade uranium that’s really rare

            • fidodo@lemmy.world
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              1 year ago

              You can’t get a reaction when it’s that trace though. It needs to be unusually pure to be able to stack a bunch of raw ore and get a reaction.

              • AngryCommieKender@lemmy.world
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                1 year ago

                Nature did get the reaction with no humans. I don’t know what to tell you

    • herrvogel@lemmy.world
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      1 year ago

      Silicon is just the base material. The whole process involves a whole bunch of other chemicals, and some of those are made of much rarer stuff than silicon.

    • _NoName_@lemmy.ml
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      1 year ago

      Sure, Silicon works as a cheap base. Boron, phosphorus, arsenic and antimony are also used in the process, though. Other elements are also finding use in the process.

      There is also a minor error in the middle about the ‘sigils’. When scribing process is happening, the other elements are embedded into or deposited onto the substrate between ‘scribings’.

    • 🇰 🌀 🇱 🇦 🇳 🇦 🇰 🇮 🏆@yiffit.netBanned
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      1 year ago

      I don’t think they mean silicon, I think they mean gold, which is also a crucial component to electronics.

      • Rodeo@lemmy.ca
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        1 year ago

        Gold also isn’t all that rare. It’s value is so high because of jewelry marketing, not rarity.

        • oce 🐆@jlai.lu
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          1 year ago

          You may be confusing with diamonds. Gold is, and in fact, any element heavier than iron are pretty rare because they cannot be created by stars alone according to current models, they need more extreme and rare astrophysics phenomenons like supernova and black holes.

          • Rodeo@lemmy.ca
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            1 year ago

            Yes I think that is the exact confusion I had.

        • TheChurn@kbin.social
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          1 year ago

          Gold is rare, compared to just about every other element, in accessible areas of earth. All the gold ever discovered on Earth would fit inside a 23 meter (75 foot) cube. This is about 244 thousand tons, in all of human history.

          Compare this to iron, where just the United States produces 46 Million tons in 2022 alone.

          There is plenty of gold deep within the Earth - it is very dense, so it sank towards the core when Earth was recently formed - but on the surface and the proximal crust, it is not found in abundance.

          • Trailblazing Braille Taser@lemmy.dbzer0.com
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            1 year ago

            That is a mind blowing fact about all gold fitting in 23 cubic meters. I had to fact check it because it sounds so absurd: https://www.bbc.com/news/magazine-21969100

          • brakenium@lemm.ee
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            1 year ago

            Is that 23mx23mx23m or 23 cubic meters?

            • swicano@kbin.social
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              1 year ago

              The first one, 23x23x23

            • ThatWeirdGuy1001@lemmy.world
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              1 year ago

              Those…Are the same thing?

              Edit: I thought they meant 23x23x23 as in dimensions not multiples

              • southernbrewer@lemmy.world
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                1 year ago

                23x23x23 is 12167 cubic meters.

                • ThatWeirdGuy1001@lemmy.world
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                  1 year ago

                  Okay I see where I fucked that up

    • webghost0101@sopuli.xyz
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      Technically correct but just cause there are minerals in the ground doesn’t mean they can be extracted.

      Maybe i am wrong but i keep hearing about silicon being harder to come, i suppose op was specifically speaking about the silicon usable for computing.

      • kameecoding@lemmy.world
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        1 year ago

        silicon being harder to come

        interesting silicone usually makes it easier for me to come

      • TheChurn@kbin.social
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        1 year ago

        The form of silicon used in semiconductor manufacturing, specific formations of sand, is becoming harder to source from the environment. Silicon the element is incredibly abundant - the vast majority of all rocks on Earth are silicates - so there isn’t a risk that we run out of silicon itself any time soon.

        What may happen, in several decades, is an increase in price due to the need to process more abundant rocks to obtain pure silicon.

  • MustrumR@kbin.social
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    1 year ago

    The masks used in litography to compensate distortion of details smaller than wavelength are pretty much at the point of being magic circles.
    https://www10.edacafe.com/blogs/editorial/files/2023/03/nvidia.png

    • Gonzako@lemmy.world
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      1 year ago

      Care to eli5 what you’re talking about?

      • p1mrx@sh.itjust.works
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        1 year ago

        Here’s a presentation: https://www.youtube.com/watch?v=OAB6Xh8L1kk

        They’re basically generating weird patterns that manipulate light to project a very precise shadow.

    • TonyTonyChopper@mander.xyz
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      1 year ago

      reminds me of this insanity https://youtu.be/wk67eGXtbIw

      • PsychedSy@sh.itjust.works
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        1 year ago

        Did YT decide to suggest this to you recently?

        • TonyTonyChopper@mander.xyz
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          1 year ago

          No I just like Steve and optics

          • PsychedSy@sh.itjust.works
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            1 year ago

            Just curious because it started throwing it into recommended for me again.

  • Numerol@lemmy.world
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    1 year ago

    Praise the Omnissiah

    • Rekonok@sh.itjust.works
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      1 year ago

      From the decay of our flesh Fortnite Porn comfort us

      Blessed be the machine

      • arin@lemmy.worldBanned
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        1 year ago

        If we make it to the next century, yes praise the mechs

  • Sprokes@jlai.luBanned
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    1 year ago

    Out of the loop? I know that China is no longer allowing export of rare metals, did the situation escalate?

    • Lux (it/they)
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      1 year ago

      The image is from 2022, so i doubt your missing any recent news

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