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The Reason Time Has a Direction
Posted
February 23, 2026
Views
117,587
Likes
2,670
Comments
441
Engagement
2.65%
February 23, 2026
117,587
2,670
441
2.65%
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5:25Now PlayingIn this episode, Neil deGrasse Tyson, joined by co-host Chuck Nice, interviews Sean Carroll about the mystery of the arrow of time. Carroll explains that while the fundamental laws of physics don’t distinguish between past and future, time appears to move forward because the early universe began in a highly ordered, low-entropy state and has been increasing in disorder ever since. The discussion moves from thermodynamics and entropy to free will, philosophical implications, and the Many-Worlds interpretation of quantum mechanics—highlighting how deep the mystery of time still is.
From 'The Complex Universe, with Sean Carroll'
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