• Lvxferre@lemmy.ml
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    10 months ago

    Misleading name, on the same level as calling water “non-explosive hydrogen”. That said the material looks promising, as a glass replacement for some applications (the text mentions a few of them, like armoured windows).

    (It is not a metal; it’s a ceramic, mostly oxygen with bits and bobs of aluminium and nitrogen. Interesting nonetheless, even if I’m picking on the name.)

  • BakedCatboy@lemmy.ml
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    10 months ago

    Transparent aluminum is so weird, a piece of it was once passed around our office. It felt heavier and colder than I expected, which I guess is probably because it’s much denser than most types of glass (I think it’s only comparable to optical glass so it would be close to holding a high quality glass lens) and it looks like the thermal conductivity is way higher.

    • Zerush@lemmy.mlOP
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      10 months ago

      No, Glass has an amorph atomic structure, its tecnically an ultra dense liquid, metal always has a cristaline structure, way different, even in it’s transparent form, Saphires and Rubies are also tecnically transparent Aluminium.

      • BakedCatboy@lemmy.ml
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        10 months ago

        What do you mean no? Everything I said is true - I’m just describing my firsthand impression. Nowhere did I say transparent aluminum is a type of glass? I was just describing why it feels heavier and colder than you would expect since it looks like glass, of which most are less dense and less thermally conductive compared to transparent aluminum, which is not glass but makes sense to compare to in order to convey what handling a piece feels like.

  • Delta_V@lemmy.world
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    10 months ago

    I wonder if it can transmit laser pulses and electricity at the same time? Could it be used to create data cables that use both to increase bandwidth?

    • Zerush@lemmy.mlOP
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      10 months ago

      Laser for sure, but does not conduct electricity, even used as insulator because of it’s ceramiclike atomic structure. Apart from the transmission by light is different from that of electrons in a conductor, while the photons pass at, well, the speed of light, in the electric current only the impulse travels at the speed of light, while an electron only moves at a speed of about 30m/s. It can be understood as a simile with a tube full of peas, if you put one more pea in one side, at the same time another one falls out the other side, although the peas themselves do not move as fast, their momentum travels “at the speed of light”. Becaus of this, it will not make much sense to combine both things to increase the bandwidth, quite the contrary, it will only cause interference that decreases it. Fotones are the optimum measure to transmit data. The speed only depends on the contract with your ISP and the capacity of their servers, not on the tecnology of the Fibercable.

  • library_napper@monyet.cc
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    10 months ago

    The obtained material, which is molded and opaque, is heated to 2000 C and kept at this temperature for two days

    Fuck that’s a long time and a high temp

    • Zerush@lemmy.mlOP
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      10 months ago

      The StarTrek episode with the transparent Aluminium was from 1986, transparent Aluminium was invented in 1985, but at this time they don’t have the tecnologic measures to produce significant ammounts. Even today it’s relative expensive to produce, ~$15 per Square inch.

    • blargerer@kbin.social
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      10 months ago

      This one goes the other way. It was first patented in the 80s before the movie came out. It just wasn’t a big thing yet. I assume it’s had improved properties since then, but the process already existed.

    • Uriel238 [all pronouns]@lemmy.blahaj.zone
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      10 months ago

      That would be the hydrogen bomb. If we created a sizeable MIRV of cobalt bombs and pointed them at Jerusalem on an automated system that tracked the rate of violent death, suddenly all the religious types would get really polite.

      (Obviously this is a supervillain example. we’re considering alternative vectors towards peace and humanitarian aid in the holy land before holding it hostage. We’re also running out of saner ideas.)

      (Also, the Soviet Union did consider a doomsday device a la Dr. Strangelove as a cold war nuclear deterrent before the politburo decided it would never authorize a retalitory strike for sake of the species and moved on to Мирное сосуществование. Nearly eighty years without a nuclear war shows us even religious fanatics and madmen don’t want to extinct the human species. Their heart’s not in it.)

      The problem is, smaller interests can’t get the bomb yet. It takes too much complex industry to make. As a result, we still have huge swaths of powerless population to be bullied, enslaved and exploited.

      Once the superweapon made from fir wood, Indian ocean tuna, granite and parafin becomes public we’ll have to negotiate with even the smallest faction and arrange for the welfare and contentment of everyone… that is if we survive the intermediary tensions. Our plutocrats may choose extinction over giving up their power.

      • GreyEyedGhost@lemmy.ca
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        10 months ago

        Once the superweapon made from fir wood, Indian ocean tuna, granite and parafin becomes public we’ll have to negotiate with even the smallest faction and arrange for the welfare and contentment of everyone…

        Don’t worry, biological weapons get easier to make every day!

    • Ultragramps@lemmy.blahaj.zone
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      10 months ago

      I wonder if anyone will ever tell him about the “rose gold” trend that he kept calling purple gold. He really put a lot of effort in that one and it makes him seem isolated, in that there was no point in the creation of the video where the search for ‘purple gold’ could be revised to ‘rose gold’ and garner less clickbait attention like patents that have been circumvented.
      Edit: I would’ve suggested blue gold to clarify the intermetallic nature over being strictly an alloy.

      • Th4tGuyII@kbin.social
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        10 months ago

        Except it’s not clickbait - I’ll cite Wikipedia so you can look yourself, but they’re not the same thing.

        Rose Gold is a proper alloy of Gold, made with Copper.

        Purple Gold is an “intermetalic” (which have a different molecular structure to normal alloys and thus are more brittle), and is made with Aluminium.

        Due to it’s brittleness even amongst intermetalics, it is considered hard to work with, much more so than a proper alloy like Rose Gold. The only similarity they share is their colour ranges can overlap dependent on how they’re made.