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Joined 1 year ago
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Cake day: June 18th, 2023

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  • They look like air bubbles to me, but it is weird they only come out after the bath. Could be they were already inside, but only covered by a thin wall of resin.

    I usually use Isopropanol for bath not Ethanol, so I am not sure how your resin reacts with that. The bath should also be rather short, like 1min or something.

    A few things to try:

    • If you are shaking your resin before print, then give it like 10 minutes after you pour it into the vat, so all bubbles come out and pop
    • lower the print speed
    • add wait times between the end of lowering the plate and light on
    • try to hollow out the model if possible, so there is less printing volume


  • My point was that if they would be trying to forge the results, they would likely write a better paper. Like, I have never seen nor would I use a phrase like:

    Humankind has long learned that the properties of matter stem from its structure.

    or

    It is the superconductor with the same color as typical superconductors.

    in the results section. It just reads like a student report.

    So while it does not prove whether it is correct or not, it, at least in my understanding, indicates that it is genuine. The explanation might be off, the important step of the synthesis might include adding a teaspoon of luck, but the observations/measurements part I believe. Which is what I meant by the comment.





  • As always depends where you live. I live in Frankfurt am Main and travel to my parents in Poland who live in a 3k village with a train. One change in Berlin, one in Poland in a smaller city to a very local train which takes me to 4km from their home, where they finally do pick me up with a car.

    With a car it would take at least 12h (been there, done that when I moved), similar amount of money for gas and I would have to take a day off from work, which I don’t have to do on the train, because I work remotely on the way. I can also shit without stopping or eat on the train if I have a fancy. How is this inconvenient?

    I made trips to Italy, France, Austria, Romania and ofc Poland with trains. And at least half of them were to not urbanized areas at all (for example France was to Port-en-Royans, population 817 people, when I got off around 5km from destination) and the only inconvenience is that you need some effort with planning.