# Is Perpetual Motion Possible at the Quantum Level?

An episode of [The Joy of Why](https://invisiblenetwork.ai/podcast/1608948873), 4 May 2023, 37 min.

Audio: https://dts.podtrac.com/redirect.mp3/tracking.swap.fm/track/sblTq32fyWAjsHzze2LG/dovetail.prxu.org/5340/cb554033-657c-451d-9d3a-d00e3207ea42/Time-Crystals_Khemani_MASTER-16LUFS.mp3

A new phase of matter called a “time crystal” plays with our expectations of thermodynamics. The physicist Vedika Khemani talks with Steven Strogatz about its surprising quantum behavior. The post Is Perpetual Motion Possible at the Quantum Level? first appeared on Quanta Magazine

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