When you decide to open the box the world instantly splits into two with a dead cat in one and a purring and very much alive cat in another. The world you observe will make the result for you. It is typical of these cases that an indeterminacy originally restricted to the atomic domain becomes transformed into macroscopic indeterminacy, which can then be resolved by direct observation. That prevents us from so naively accepting as valid a "blurred model" for representing reality. In itself, it would not embody anything unclear or contradictory. There is a difference between a shaky or out-of-focus photograph and a snapshot of clouds and fog banks. Oh... Now I remember." I said. (I did only vaguely - but I wanted to save myself from getting scratched, which I seemed to be in imminent danger of.) "Wasn't he the famous quantum scientist?" If you asked an intelligent well-read but non-scientific person to summarise the most important contributions of science to our present lives and suggest the possible benefits or hazards of scientific progress in the near future, you’d surely be given a list that included:

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I scanned my bookshelves. Suddenly illumination lit up on me. "Bulgakov! The Master and Margarita!" I exclaimed. The book does show its age at parts but his amazement at PCs and LASERs does not change the fact that they are awesome and stem from the study of quantum mechanics. A larger flaw is his matter-of-fact presentation of certain controversial theories as "yeah, that's the way it is; don't bother investigating further." The only reasonable explanation for this, says Deutsch, is that the superposition actually represents 256 different computers operating in 256 different parallel universes…”the fact that quantum computing works proves that many worlds exist.” A cat is in a box with a radioactive source and a poison that will be released when the source (unpredictably) emits radiation. According to quantum mechanics, the cat is simultaneously both dead and alive until the box is opened and the cat observed. this book explains generally the perplexing, mind-boggling, paradoxical principles of quantum physics while relating the history of discoveries leading up to and through it, including the discovery of the X-Ray.

On quantum computing: Deutsch has drawn important conclusions from the success of quantum computing. A store, usually called a register, made up of 8 qubits could remember 256 numbers simultaneously.

Learning Gotcha: How We Misunderstood Schrödinger’s Cat Learning Gotcha: How We Misunderstood Schrödinger’s Cat

I was reading alone in my study in the night, when there was a movement behind me. "Miaow," someone said. It's really really well written, even by the high standards of popular science set by the luminaries, and remains deliciously readable even after more than three decades since its publication. Una de las cosas que más disfruto de la divulgación en mi área (en la que supuestamente tengo una formación rigurosa en las técnicas y los conceptos fundamentales) son los detalles históricos sobre como surgieron y se desarrollaron las ideas.One can even set up quite ridiculous cases. A cat is penned up in a steel chamber, along with the following device (which must be secured against direct interference by the cat)... It's unapologetically forthcoming, and NEVER tries to dumb down things in an effort towards becoming more "accommodating" and "plebian", which are the more euphemistic expressions for undervaluing the readers. Yes: There are fuzzy "infinitely small" quantities that blip away to 0 when we measure them, but are non-zero in their own world. These tiny quantities can interact with each other and can predict how our "macroscopic" numbers behave. In the quantum world what you see is what you get and nothing is real. The best you can hope for is a set of delusions that agree with one another.” I really resented being called an idiot, but did not want to aggravate this temperamental feline with the sharp claws. "What's that?"