November 7, 2016

WE ARE ALL DESIGNIST NOW:

Have scientists side-stepped the Second Law of Thermodynamics? : Physicists have moved closer to a 'quantum perpetual motion machine' - at least on paper. (Cathal O'Connell, 11/07/16, Cosmos)

Isaac Asimov's short story The Last Question follows the human race over a trillion-year quest to circumvent the Second Law of Thermodynamics. Now, US and Russian physicists may have found a way to do just that.

In physics terms, this is the equivalent of finding a river that flows uphill, or chucking an ice cube on the fire to fan the flame.

The Second Law of Thermodynamics states that entropy (a measure of disorder) always increases. At root, that's simply because there generally are a lot more messy states than neat states.

Shuffle a fresh pack of cards, and its initial neat arrangement will get messed up. And if you start out with a neat desk in the morning, it will tend towards messiness as the day wears on.

But physicists, using quantum mechanics to describe particular scenarios of interacting particles where the order of the system increases, appear to have violated this rule, with big ramifications.

Posted by at November 7, 2016 2:00 PM

  

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