knowhow.wormhole.work
把弄懂的東西寫清楚。一次一個題目。
Notes on things worth understanding properly — one topic at a time.
Notes
幾乎不用齒輪的馬達—為什麼機器人的關節開始拿掉減速箱，以及那讓電線變成了觸覺。
A motor that barely uses gears, and why that turns the wires into a sense of touch.