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One-Minute Physics: Why past and future are the same

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Uploaded by on Dec 20, 2011

It's obvious that time has a direction: you were younger a decade ago than you are today. But according to the laws of physics, there is no intrinsic difference between the past and the future. In our latest One-Minute Physics animation, guest narrator Sean Carroll, a physicist at the California Institute of Technology in Pasadena, explains why a better understanding of the big bang will help explain the arrow of time.
New Scientist (c)

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Science & Technology

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Standard YouTube License

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Uploader Comments (cattywilde)

  • Who knows?

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  • @Dreamtastic27 they didn't understand!

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  • they just realized that they don't remember the future

  • your pen looks like a cigarette

  • God did it.

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