Just a smol with big opinions about AFVs and data science. The onlyfans link is a rickroll.

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Cake day: October 11th, 2023

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  • Warl0k3@lemmy.worldtoLemmy Shitpost@lemmy.worldGood luck
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    4 days ago

    Generally the reason not to put knives in the dishwasher is because the mild abrasives used in some detergents, and more importantly the agitation which bonks them around, can dull the edge (and damage the coating on the racks that prevents your dishwasher from rusting, if you have one that isn’t full plastic) (also not promptly drying the knife will lead to rusting if you have carbon steel instead of cres knives).










  • To create dynamic textures in a flexible material, the researchers combined a patterning technique called electron-beam lithography, which is typically used in advanced semiconductor manufacturing, with a polymer film that swells as it absorbs water. By firing a beam of electrons at the film, they were able to adjust how much certain areas of the material would swell, creating detailed patterns that only revealed themselves when the film was wet.

    To my reading it sounds like the color change is brought about by introducing raised microstructures on the material? Which… I’m not quire sure I understand how that can work, but that’s fascinating if I’m understanding it correctly. I would have expected the shapes to be too indistinct to be useful in producing that effect.






  • Warl0k3@lemmy.worldtoLemmy Shitpost@lemmy.worldgenius
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    10 days ago

    Yeah, there’s tons of plans out there for DIY helicopters you can get from the hobby aviation community. Usually the sticking point is making the rotor blades themselves, but I’ve seen some people get off the ground with carbon-fibre laminate blades. Not sure I’d trust them personally but it does work.