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Physics: Are we forever trapped in the arrow of time? | Sabine Hossenfelder
Posted
February 10, 2023
Views
213,123
Likes
8,848
Comments
506
Engagement
4.39%
February 10, 2023
213,123
8,848
506
4.39%
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5:24Now PlayingWhy does time move forward but not backward? Physicist Sabine Hossenfelder explains.
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Up next, The mindbending physics of time ►
Why does time move in only one direction? This still-unsolved question was posed in 1927 by the British astrophysicist Arthur Eddington, and the concept came to be known as the arrow of time.
As theoretical physicist @SabineHossenfelder explains, there's a longstanding mystery in the foundations of physics: If we look at the laws for microscopic constituents, like elementary particles, they work the same way forward in time as they do backward in time. But the same does not hold true on macroscopic scales.
In this Big Think video, Hossenfelder dives into this mystery and explores how it has captivated the minds of so many scientists and science fiction writers.
Read the video transcript ►
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About Sabine Hossenfelder:
Sabine Hossenfelder is a physicist, author, and creator of "Science Without the Gobbledygook". She currently works at the Munich Center for Mathematical Philosophy in Germany.
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Read more of our stories on time:
Does time really exist?
Will time run backward if the Universe collapses?
What are wormholes?
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