Discover the Particle That Challenges Time Symmetry ⏳
Explore how certain particles break the usual symmetry of time and what this means for our understanding of physics. Dive deeper with our recommended book: http://WeHaveNoIdea.com

Veritasium
4.7M views • Dec 12, 2017

About this video
Increasing entropy is NOT the only process that's asymmetric in time.
Check out the book: http://WeHaveNoIdea.com
This video was co-written by Daniel Whiteson and Jorge Cham
You can also check out PhD Comics: http://phdcomics.com
Special thanks to Patreon supporters:
Tony Fadell, Donal Botkin, Michael Krugman, Jeff Straathof, Zach Mueller, Ron Neal, Nathan Hansen, Joshua Abenir
Support Veritasium on Patreon: http://ve42.co/patreon
Original paper on parity violation by the weak force by Lee and Yang:
http://www.physics.utah.edu/~belz/phys5110/PhysRev.104.254.pdf
More on B-meson oscillations and time reversal violation:
Physics World Article: http://ve42.co/TimeReversal
Original paper: https://arxiv.org/pdf/1410.1742.pdf
https://en.wikipedia.org/wiki/B_meson
Physics consultant: Prof. Stephen Bartlett
Studio filming by Raquel Nuno
Check out the book: http://WeHaveNoIdea.com
This video was co-written by Daniel Whiteson and Jorge Cham
You can also check out PhD Comics: http://phdcomics.com
Special thanks to Patreon supporters:
Tony Fadell, Donal Botkin, Michael Krugman, Jeff Straathof, Zach Mueller, Ron Neal, Nathan Hansen, Joshua Abenir
Support Veritasium on Patreon: http://ve42.co/patreon
Original paper on parity violation by the weak force by Lee and Yang:
http://www.physics.utah.edu/~belz/phys5110/PhysRev.104.254.pdf
More on B-meson oscillations and time reversal violation:
Physics World Article: http://ve42.co/TimeReversal
Original paper: https://arxiv.org/pdf/1410.1742.pdf
https://en.wikipedia.org/wiki/B_meson
Physics consultant: Prof. Stephen Bartlett
Studio filming by Raquel Nuno
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Video Information
Views
4.7M
Likes
152.0K
Duration
9:00
Published
Dec 12, 2017
User Reviews
4.9
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