15:30
PBS Space Time
What If Humanity Is Among The First Spacefaring Civilization
Let’s see how if alien civilizations will ever reach us.
How Are Quasiparticles Different From Particles?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
How Are Quasiparticles Different From Particles?
Season 8 Episode 35 | 15m 31s | CC
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.
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