PBS Space Time

How Are Quasiparticles Different From Particles? (2022x33)

Air date: Dec 08, 2022

The device you’re watching this video on is best understood by thinking about positive and negative charges moving around a circuit of diodes and transistors. But the only elementary particle actually flowing in the circuit is the negatively charged electron. And yet those flowing positive charges are there, in the form of a particle you may never have heard of.