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jackalovski

Have you ever looked closely at a car windshield?

The edge of the glass is painted where it is glued to the car but it has these small dots between the clear and painted glass.

These are there for a reason. When the sun hits the glass the painted areas and the clear areas will absorb heat at different rates. This causes the glass to expand and contract differently putting stress on the glass.

These dots help the glass to warm up more evenly over a larger area so the glass does not suffer stress that could cause it to spontaneously explode.

Fun fact: the Tesla cybertruck doesn’t have these.

Yes, the glass will spontaneously crack or explode in the sun.

  • ulterno@programming.dev
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    20 hours ago

    Until Tesla, companies could either tell warranty claimers to deal with it themselves or do shitty engineering.
    Now they get to do both.

  • noride@lemm.ee
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    2 days ago

    For the curious, the edges are painted because UV light weakens the adhesive holding the windshield secure over time. The paint protects it from deterioration, and as mentioned in the post, the dots help graduate the temperature levels between clear glass and black paint, which prevents cracking

    Who knew cars were so fucking hard? Everyone but Elon, evidently.

    • DarkSurferZA@lemmy.world
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      12 hours ago

      Well, he knows more about manufacturing than anyone else on the planet possibly, so he can’t be wrong… /S

    • IphtashuFitz@lemmy.world
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      2 days ago

      Elon legitimately probably looked at what it cost to add those dots, without caring about why they are there, then proclaimed a cost savings by removing a useless feature.

        • Robust Mirror@aussie.zone
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          1 day ago

          I’m 100% sure he’s been warned of every dumbass decision he’s made at his companies, which just makes him that much more stupid.

          It’s one thing to be stupid in areas you’re not an expert, most people are fine with that. It’s a whole other level of stupid to be unwilling to learn from the experts in that area.

          But even if you’re not willing or able to learn, it’s an additional magnitude of stupid to go around making decisions in those areas as though you are an expert instead of just letting the experts do their thing.

  • Match!!
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    1 day ago

    is it still terrorism if i just shine a heatlamp at a tesla and its windshield explodes on its own

  • lobut@lemmy.ca
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    2 days ago

    These dots help the glass to warm up more evenly over a larger area so the glass does not suffer stress that could cause it to spontaneously explode.

    Man, feels like I just got a 99% Invisible Lesson from this post.

  • Phoenixz@lemmy.ca
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    2 days ago

    A somewhat similar reason as to why that dive boat exploded, but what do you expect from a guy who doesn’t know basic engineering?

  • reddfugee@lemmy.world
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    2 days ago

    Something about this post blows up my Lemmy client (Memmy on iOS); I tap the post in the feed, it slides to a black screen, and the scroll bar shrinks as the page grows infinitely. The comment window also jiggles up and down as I’m typing this. Does anyone else run into this? (Assuming I’ll be able to see replies, lol)

    • Optional@lemmy.worldOP
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      2 days ago

      The images are hotlinked to tumblr, which might have something to do with it, but that’s all I can think of.

    • TowardsTheFuture@lemmy.zip
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      2 days ago

      Some apps don’t handle images as well if they haven’t been updated and I think memmy is one of those. Voyager works fine, so I would suggest using that instead (or others, voyager does have a few small differences to Memmy.)