Cartoon aided design: The lighter side of computing

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Now, can you make comics for ‘consciousness’, ‘free-will’ and ‘time’ which brilliantly cut through to clear simple explanations of these things in the same way? 😉

I wonder what the Kolmogorov complexity size of that QM description would be, not including the seed? you would also need faster-than-light communication to coordinate the measurement outcomes between different parts of the universe.” Scott: Is tunneling, Heisenberg uncertainty, and action at a distance really consequences of complex amplitudes? I would think to predict tunneling you’d need to know Schrodinger’s equation, to understand the uncertainty principle you need to know [x,p], and to get action at a distance you need entanglement. Can’t all those things exist independently of complex amplitudes? I don’t quite understand right away, but never mind. (I don’t want to put you through the trouble of explaining something to me at a time that I am not even ready to understand it!)It’s not really the fact of linear operators (i.e. linearly evolving amplitudes) which gives QM its peculiar character. The peculiarity of QM lies in the necessity of measurement, and the collapse postulate which an act of measurement involves. In other words, the peculiarity of QM lies in the “quantum jumps.” Schrodinger was unhappy only with this part of QM; and it is only this part that makes QM as we know it, incomplete.

Miles Berry is a senior lecturer and the subject leader for Computing Education at the University of Roehampton. His experience as a chartered fellow of the British Computer Society and formerly deputy head of St Ives School, Haslemere contributed to his support of lesson activity ideas for Rising Stars’ Switched on ICT programme of study for Computer Science at key stage 3. Switched On ICT was designed in partnership with the London Borough of Havering. KEY RESOURCENo, by deterministic I mean deterministic. As in the current state follows precisely from the previous state. Like Conway’s game of life for example. Now chaos may result from following the rules. But first that chaos does not change the fact that it is fully deterministic. And secondly that chaos is irrelevant to any point about quantum mechanics. Hwold #3: In principle, according to QM, you can see quantum interference with a physical system of any size, as long as it’s sufficiently isolated from its environment (so that it rotates unitarily through complex vector space rather than collapsing). As for the saying we were riffing off—“it’s not the size that matters, it’s the motion through the ocean”—maybe I should let someone explain that who has less of an academic reputation to uphold? 😉

Yes, entanglement is not a requirement of instantaneous action at a distance (IAD). IAD in QM (as in classical diffusion) comes about only because the Fourier theory itself has IAD built into it. And the Fourier theory comes in because measurements involve eigenstates.

Even if both the categories of rules (updating and measurements) are kept deterministic, the machine would still show certain similarities to the quantum mechanical (i.e. the actually existing) world—viz., a reduction in the number of input states required to get to a given observed state.

Class of 2020 had finished.I learned a lot by teaching the class on Sunday since March and digesting complex ideas into drawings. Hope you enjoyed it as much as I did. All the recordings can be found here. Of course, the meaning of what she’s trying to say is still clear, but this was bothering me and I thought I’d point it out.I believe that on the other side of the galaxy there is an alien nerd calculating the billionth digit of Pi. And making allowances for trivial things like number base or method of representation it will be the same digit as we calculate here. but while we’re on this topic of what is sufficient for describing QM, what about getting rid of reals too? Could you just describe QM in terms of rationals, floating point, or some finite theory? Either this, or that, or both. Equivalent to the OR logic gate. Example: “I wish I were richer or more good looking” Weinersmith — 62 panels³ of deep-dive on quantum computing (with a writing assist from Scott Aaronson), which is a pretty damn good primer on an entire field of theoretical work, in the form of a […]