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Politics : View from the Center and Left

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To: koan who wrote (455507)	10/18/2020 4:35:21 PM
From: cosmicforce	Read Replies (1) of 542914

Not only does the Universe record everything, by necessity, it also gradually forgets it. Shannon Information Entropy and the Landauer principle. Learning is a finite impulse response curve, IMO - looks like this. The steep part is the learning/recording part - the decay is the forgetting. The time it takes to forget has to do with entropy, heat and the number of extra bits of data (something called the Hamming Distance). If we make copies, or have redundancy in another way, we can stretch the horizontal axis and increase the time we can store the data without error (still a probabilistic issue). I have a very hard time making two exact copies of two multi-terrabyte disks. Multiple disks helps me keep the entropy away. en.wikipedia.org

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