4.7 • 1.1K Ratings
🗓️ 28 May 2023
⏱️ 67 minutes
🔗️ Recording | iTunes | RSS
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0:00.0 | The tagline for selling condensed matter physics is that the whole is more than the sum of the parts. |
0:09.0 | I think that would be my tagline for the subject. |
0:11.0 | The clear example of that is a quasi-particle. And I will be more specific, I'll say the phone on is probably an example of what you've asked for. |
0:19.6 | He would be described light as being carried by elementary particles. We can describe sound as being carried by elementary particles, we can describe |
0:23.2 | sound as being carried by particles but they're not elementary. |
0:25.9 | Phonon is like a particle of sound and it can only exist inside crystals or some other |
0:30.8 | states of conense matter and you could well, it's just the atoms vibrating |
0:34.4 | as the sound travels through, the thing you learned at school, right? |
0:36.4 | Sure, they're an effective description, |
0:38.0 | but mathematically, it's exactly the same thing you do. |
0:39.9 | And I think if you want to believe that photons are real elements of reality, |
0:43.6 | I think you should admit in the same way that phonons are fundamental real things in reality. |
0:48.6 | And so I suppose the philosophical point I'd want people to have as a take-home one for this segment is that emergent stuff, things |
0:56.8 | where the whole is more than the sum of the parts, things like phonons that's purely |
1:00.6 | emergent phenomenon, right? It's not present in any one of the atoms there that's vibrating. |
1:04.4 | It's some collective behavior of lots of them. |
1:07.1 | But it's no less real. Welcome everyone to this magical episode of Into the |
1:19.6 | Impossible. Our podcast introduction features a quote from announced science fiction writer |
1:24.8 | futurist and inventor Arthur C. Clark. Any sufficiently advanced technology |
1:29.3 | is indistinguishable from magic. This is an apropos aphorism for this episode with Felix Flicker, discussing |
1:36.6 | his new book, The Magic of Physics. Flicker shares his fascination with the reality bending things that happen at |
1:44.1 | small scales at the extremes of matter when emergent phenomenon are not |
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