Category Archives: Time

Sixty Symbols: The Arrow of Time

Posted on May 20, 2013 by Sean Carroll

Completing an action-packed trilogy that began with quantum mechanics and picked up speed with the Higgs boson, here I am talking with Brady Haran of Sixty Symbols about the arrow of time. If you’d like something more in-depth, I can … Continue reading →

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Posted in Science, Time | 3 Comments

Explaining Time to Kids

Posted on February 27, 2013 by Sean Carroll

Don’t forget that the deadline for this year’s Flame Challenge is coming up. Your mission: to explain “Time” to a group of 11-year-olds, who will be sternly judging your work. Get your submissions in by March 1, either video or … Continue reading →

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Posted in Time | 23 Comments

Talking Nerdy About Time

Posted on December 31, 2012 by Sean Carroll

Cara Santa Maria, science correspondent for the Huffington Post, does a series of videos there called Talk Nerdy To Me. See Martin Savage on physics and the simulation argument, Mark Jackson on cosmology and string theory, Mark’s PhD advisor Brian … Continue reading →

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Posted in Science, Time | 9 Comments

What is Time? The Flame Challenge

Posted on December 14, 2012 by Sean Carroll

Of course you know what time is, since you’ve read From Eternity to Here and you don’t buy into the mysterianist gobbledygook that often accrues to the subject. But not everyone is so fortunate. (Or my sales would have been … Continue reading →

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Posted in Science and the Media, Time | 10 Comments

Time-Reversal Violation Is Not the "Arrow of Time"

Posted on November 20, 2012 by Sean Carroll

Looks like the good folks at the BaBar experiment at SLAC, feeling that my attention has been distracted by the Higgs boson, decided that they might be able to slip a pet peeve of mine past an unsuspecting public without … Continue reading →

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Posted in arxiv, Science, Time | 40 Comments

Feynman on Initial Conditions, Evolving Laws, and What We Consider Physics

Posted on October 18, 2012 by Sean Carroll

We’ve mentioned before that Richard Feynman was way ahead of his time when it came to the need to understand cosmological initial conditions and the low entropy of the early universe. (Among other things, of course.) Feynman actually wrote three … Continue reading →

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Posted in Science, Time | 52 Comments

Mysteries of Time: New Teaching Company Course

Posted on October 1, 2012 by Sean Carroll

Just in time for the holidays (Halloween totally counts as a holiday), the Teaching Company (a/k/a “The Great Courses) is releasing a new course I recorded — Mysteries of Modern Physics: Time. For those of you who aren’t familiar with … Continue reading →

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Posted in Personal, Time | 14 Comments

Time Talk

Posted on September 18, 2012 by Sean Carroll

With The Particle at the End of the Universe scheduled to come out in November, most of the popular-level talks I’ll be giving in the near future will have to do with the LHC and the Higgs boson — and … Continue reading →

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Posted in Science, Time | 11 Comments

Time the Destroyer

Posted on July 17, 2012 by Sean Carroll

Andy Albrecht of UC Davis gave an entertaining TEDx talk on entropy — or as he calls it, “destruction” — and the arrow of time. I especially like how he is willing to look clumsy in the cause of greater … Continue reading →

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Posted in Science, Time | 23 Comments

Time Travel via YouTube

Posted on July 7, 2012 by Sean Carroll

Via everywhere on the internet, here’s Jeremiah McDonald, who used a 20-year-old videotape of his younger self to carry on a conversation across time. (Seems legit at a casual glance, but I suppose it could be faked.) Sadly we can’t … Continue reading →

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Posted in Humor, Time | 13 Comments