Quantum Information, the Ambiguity of the Past, and the Birth ... - PiTP

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In China, the Classic of Music, or Sixth Classic, is thought to have been lost in the book-burning instigated by Emperor Qin Shi Huang in the 3 rd century BC, though some general knowledge about it survives. Fortunately, Confucian scholars had memorized, and later managed to reconstruct, many of the other destroyed works. Sappho’s poems were lost more gradually, through neglect : once widely reproduced and taught, they fell out of favor when her Aeolian dialect of Greek died out. They were no longer taught, and the existing manuscripts were discarded or repurposed. More recently, in India, after surviving nearly 2000 years, the Carvaka school of philosophy is thought to have died out around the 15 th century, along with all its original texts, except for fragments quoted in the writings of its Hindu and Buddhist opponents.
Even in today’s world, much macroscopic, publicly accessible information is seemingly lost because no person, nor any natural process, happens to record it in a durable medium. Dried mud with cracks and raindrop craters in a river bed in Las Vegas, USA in 1965. A few days later these details were washed away by a subsequent rain. If no one had photographed them, would a physical record of them still exist?
Page 1 and 2: Quantum Information, the Ambiguity
Page 3 and 4: After the experiment is over, even
Page 5 and 6: (This typically happens when the en
Page 7 and 8: To the amazement of most of the res
Page 9: Nowadays, it is tempting to believe
Page 13 and 14: But I think some information really
Page 16 and 17: So we are motivated to add a new le
Page 18 and 19: How to obliterate earthly evidence
Page 20 and 21: But suppose we wanted to store not
Page 22 and 23: Can we arrange for escaped informat
Page 24 and 25: • Can we outrun the radiation? Fo
Page 26: Ontological Status of Escaped Infor
Page 29 and 30: • Is random input (eg radiation f
Page 31 and 32: Up to now, I have considered only g
Page 33 and 34: Looking inside a pottery kiln by it
Page 35 and 36: Most classical information, such as
Page 37 and 38: Enough about information & remember
Page 39 and 40: Self-organization, the spontaneous
Page 41 and 42: Wake behind Stepping Stone (Kamo Ri
Page 43 and 44: In the philosophy of science, the p
Page 45 and 46: A trivially orderly sequence like 1
Page 47 and 48: At equilibrium, complexity still pe
Page 49 and 50: Conversely, what else is required,
Page 51 and 52: Dissipation without Complexity 50 C
Page 53 and 54: Are some dissipative environments s
Page 55 and 56: Extra Slides
Page 57 and 58: The input/output graph of this or a
Page 59 and 60: Problem: scaling with number: we wo
Page 61 and 62:
Two Upper Neighbors Past Future Two
Page 63:
Information budget for random permu
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Quantum Information, the Ambiguity of the Past, and the Birth ... - PiTP

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