HackerTube / Video
Do Complex Numbers Exist?
Sabine Hossenfelder
Sabine Hossenfelder asks whether complex numbers are just a convenient tool or necessary in physics. She discusses a recent paper arguing that quantum mechanics cannot be done with real numbers alone.
HN recommends it as a short, accessible layperson explanation of the real-versus-complex quantum theory debate.
3 Hacker News mentions · 2021–2023