These[0] two[1] videos are probably the best overview of imaginary numbers I've ever come across. The whole channel is a treasure trove of the history behind ma

These[0] two[1] videos are probably the best overview of imaginary numbers I've ever come across. The whole channel is a treasure trove of the history behind math, notation, and conventions used in physics. [0]: https://www.youtube.com/watch?v=CdwxpSInhvU https://www.youtube.com/watch?v=CdwxpSInhvU [1]:https://www.youtube.com/watch?v=M12CJIuX8D4 https://www.youtube.com/watch?v=M12CJIuX8D4