For anyone who’s interested, Hatsumi-sensei’s school is called Bujinkan Taijutsu and is practised in Japan, the US, New Zealand and other places. It’s a serious self-defense style and students train without mats, because if you need it to defend yourself, you’ll probably be on concrete. It comprises kicks, punches, throws, joint locks, weapons and poking opponents in the most painful nerves.
You’d be surprised how hard it is to hit anything with a throwing star.
I knew a guy who trained in ninjitsu in highschool. I trained in Kung Fu for a few years before I met him. We used to spar after school and he was ridiculously hard to fight. All of his moves were deceptive. Even simple kicks and blocks were meant to decieve. As a result I was constantly trying to predict his actual motive instead of just fighting him straight-up. It’s a really neat style that seems to be very effective against other trained martial artists. Idk how it would fare against an untrained street fighter, but I’d guess that it is just as effective in that situation too.
That’s a cool project, it’d be interesting to see a time-lapse video through full daylight hours (with a couple extra frames at the intervals when the numbers are clearest).
I do quite a bit of parametric modelling and I see how something like this could be made. Find the angles of the sun at specific times, project planes at a fixed distance and angle matching around your cylinder, sketch the time number you want on each plane with a fixed pitch and then project-cut back through the cylinder. Would be a pain in the ass though. And a pretty tough 3d print without soluble supports, given all those tiny tiny interior walls and cavities.
My dishwasher is pretty new and if I don’t rinse things off relatively thoroughly beforehand I’m guaranteed to have stuck on food bits after the dry cycle.
For anyone else who doesn’t know what elytra are, they are the “protective wing-cases for the hindwings underneath, which are used for flying. To fly, a beetle typically opens the elytra and then extends the hindwings.”
mildlyinteresting
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