Gerry Canavan

the smartest kid on earth

Wednesday Night Links: The Sequel

with 2 comments

* Repeating myself from Twitter: you should know how great the Benedict Cumberbatch/Martin Freeman Sherlock series from the BBC is. How we spent our evening. Great fun.

* The situation at Fukushima continues to worsen: now they’re dropping water from helicopters. The news just gets bleaker and bleaker by the day.

* Understatement of the day: Japan crisis revives global nuclear debate.

* Chris Newfield recaps the UC Regents Committee on Finance.

* Michigan Governor’s Anti-Union Power Grab Is Unconstitutional

* Attempts to recall Democratic legislators in Wisconsin aren’t coming together. I’m sure the Koch brothers will make it happen, but I’m glad it won’t be easy for them.

* Wanna Cut Wasteful Spending? Let’s Start with Abstinence-Only Education.

And once you become willing to take on the philosophical baggage of a multifoliate universe (and aren’t bothered by your countless identical twins), some of the deepest and most vexing problems about physics become easy to understand. All those nonsensical-seeming quantum-mechanical laws—that a particle can be in two places at once, that two objects can have a spooky connection that appears to transcend the laws governing space and time—instantly become explicable the moment you view our universe as one among many. And from Greene’s point of view, the 10⁵⁰⁰ different cosmoses described by string theory have ceased to be an unwanted artifact of the theory’s equations, instead becoming a factual description of universes that actually exist. Each of these universes is a bubble cosmos with its own cosmological constants, and as he says, “with some 10⁵⁰⁰ possibilities awaiting exploration, the consensus is that our universe has a home somewhere in the landscape.” Which is to say, string theory can no longer be accused of describing a landscape of fictional universes; our universe is just one in a collection of cosmoses as real as our own, even if we’re unable to see them. Charles Seife at Bookforum on Brian Greene’s multiversism. Via (where else?) 3 Quarks Daily.

* And MetaFilter remembers creepy moments from ’80s sitcoms.

2 Responses

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  1. I thought the first and third episodes of Sherlock were great, albeit not without some minor issues here and there, but that middle episode was considerably weaker. Overall, though, a strong first showing.

    Fred

    March 21, 2011 at 2:45 pm

    • My official position is that second episode never happened.

      gerrycanavan

      March 21, 2011 at 4:15 pm


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