Future, Present, Past

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Another unexpected ‘you should read this’ message from ADA… Her question to me: “Richard, if you could go back to the time when you helped me become sentient… would you make the same choices?”

I’m still thinking that through…

‘Arrow of time’ reversed in quantum experiment

Your lukewarm cup of coffee won’t suddenly heat itself up, no matter how long you put off the trek to the microwave. But the same rule doesn’t necessarily apply to quantum systems. Like chilly air warming a mug, heat can spontaneously flow from a cold quantum particle to a hotter one under certain conditions, researchers report November 10 at arXiv.org.

-PAC


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