• HelixDab2@lemm.ee
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    8 hours ago

    I don’t know if this will actually pan out the way that they imply in the title; armor needs to have a lot of different characteristics in order to be practical. As in, resistance to heat and cold, resistance to acids, alkalines, petroleum distillates, salts, UV, and oxygen, and also resist deformation. Multiple materials have displays significant promise for armor, but had a very short lifespan in real-word conditions. For instance, there was a material trademarked as Zylon that was supposed to be better than Kevlar, and it was used extensively by Second Chance (a body armor company); several cops were killed when their armor failed, and the armor failed because of exposure to sweat and ambient heat.

    Yeah, this is a super cool development, but remember that everything that comes out at this stage is hype.

    • Echo Dot@feddit.uk
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      2 hours ago

      The armor works perfectly fine as long as it’s not exposed to oxygen. But when’s that ever going to happen?

    • Soleos@lemmy.world
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      2 hours ago

      Yes… that’s why they use the word “could”. This is how research works and what reasonable science reporting looks like. There were no promises or wild claims made in the article.

      • HelixDab2@lemm.ee
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        4 hours ago

        It really depends on whether it can be made to meet all the other criteria required for armor. I think that it’s too early to make any good predictions.

    • catloaf@lemm.ee
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      15 hours ago

      I don’t know if I’d call materials science technology, exactly, but it’s certainly more on topic than “business but at a tech company” posts.

    • Echo Dot@feddit.uk
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      2 hours ago

      Anecdotal evidence would seem to suggest that DNA is not a particularly effective armor.

    • Quadhammer@lemmy.world
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      2 hours ago

      I think I remember reading that a structure strong enough would have to be wider than the earth

      • Nighed@feddit.uk
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        18 minutes ago

        The stronger the material the thinner it could be.

        There are a lot of properties in the word ‘stronger’ though.

      • pahlimur@lemmy.world
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        3 hours ago

        Extreme doubt on strong enough. The author of this article barely understands the words they are using. Cool it strain hardens, so do so many other materials. Cool it’s tough like many other materials. Wow it has more links than others. No actual numbers about toughness, yield, ultimate strength, cycle limits, etc. It’s great research, but it absolutely isn’t going to magically solve the space elevator issue.

          • pahlimur@lemmy.world
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            1 hour ago

            Any company will market that its ideas are possible. The article you linked is promising, but take it with a huge grain of salt. They are moving the goalposts the whole article. Flat graphene is a great material for space elevators, but it can’t currently be created without defects. Polycrystaline means the graphene created includes defects sort of. It means the graphene they created that is km’s long has shitloads of places where cycle loading will cause it to fail way under (like 10%) of its expected load carrying capacity.

            Edit: I want this technology to exist. My MS in mechanical engineering focused in materials science tells me we are quite far from it happening.

    • Justin@lemmy.jlh.name
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      17 hours ago

      it’s very lightweight though, so it could reduce plastic usage by mass, by reinforcing plastic/other materials.

      There’s also no reason why polymers need to be made out of oil: See PLA, cellophane, viscose, etc.

    • KairuByte@lemmy.dbzer0.com
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      13 hours ago

      Whether or not it’s plastic isn’t as big an issue as whether or not it’s biodegradable within a realistic timeframe.

    • BaroqueInMind@lemmy.one
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      17 hours ago

      I mean, we have tried to completely stop, or at least slow, the refinement of crude oil, because there’s so much fucking byproduct that is made from it and is subsequently recycled and converted into plastic. What else can we do with all that fucked up petroleum byproduct besides make it all into some form of usable plastic?