Submitted via IRC for TheMightyBuzzard
A flip-flop is one of the most basic digital electronic circuits. It can most easily be built from just two transistors, although they can and have been built out of vacuum tubes, NAND and NOR gate…
That's damned nifty.
Source: https://hackaday.com/2018/04/18/the-one-transistor-flip-flop/ [hackaday.com]