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Cake day: June 23rd, 2023

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  • Yeah that’s mostly bullshit.

    Your arm flies when you stick it out a window, and it isn’t shaped like shit, so does a piece of paper.

    It’s basically like a sail, but horizontally instead of vertically, the onrushing air hits the bottom at an angle, is deflected down, and bumps the wing up.

    The rest is just to try to reduce drag on the top (super-critical wings attempting to maximize laminar flow, or at least make the disconnection as far back as possible so turbulence creates the least drag on the wing.