Decoding Reality: The Universe as Quantum Information. Vlatko Vedral

Decoding Reality: The Universe as Quantum Information


Decoding.Reality.The.Universe.as.Quantum.Information.pdf
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Decoding Reality: The Universe as Quantum Information Vlatko Vedral


The author attempts to explain the universe as emerging from nothingness based on information. The book is split into 3 parts, Firstly an explanation of information theory, which is lightweight but grounded in reality. Along the way he explains how information theory works in different fields, such as biology and financial economics. So far so good. The second section attempts to explain some macro phenomena as quantum information. Unfortunately this is where the thread starts to unravel. The distinction between quantum bits (qubits) and bits is poorly explained, and then the author steps away from quantum computing to suggest that this may be happening at the molecular level. With almost reckless abandon he tosses off a few references to support his idea. Unfortunately in at least one case, his facts are either wrong or poorly stated. For example p 148: "Biological plant efficiency is super-high, around 98% of the radiation that hits teh leaf does get stored efficiently." This nonsense, as the plant would be almost non-reflective and appear quite dark, an obvious error that defies common sense and albedo measurements. Perhaps he meant 98% of the absorbed visible radiation that is trapped by chlorophyll? The last part just goes off into la-la land as speculative philosophy. It may be that the universe is a quantum computer and it may be that information is fundamental to the universe, but the evidence presented is effectively non-existant. The edifice, like much of philosophy is built on logic, not on experimental data, without obvious testable hypotheses (at least as presented to the reader). The end result reads like mysticism, much like Fritjof Capra's works. Overall this book tried, in a short volume, to explain quantum information, how it may be applied in the universe and ultimately as an explanation of the existence of the universe itself. After rambling through ever more speculative ideas, the books founders, failing to deliver much of substance.

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