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Q: Why are numerical methods necessary? If we can’t get exact solutions, then...
Physicist: When a problem can be solved exactly and in less time than forever, then it is “analytically solvable”. For example, “Jack has 2 apples and Jill has 3 apples, how many apples do they have...
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Q: Is it possible to write a big number using a small number? Is there a...
Physicist: Although there are tricks that work in very specific circumstances, in general when you “encode” any string of digits using fewer digits, you lose some information. That means that when you...
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Q: Do we actually live in a computer simulation?
Physicist: This has become a whole thing. Although it has shown up in a lot of incarnations throughout history, the most recent is something like this: Computers are getting better all the time and...
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Q: What is quantum supremacy? Is it awesome or worrisome?
Physicist: Mostly awesome. Eventually. Recently, some of the folk at Google claimed to have achieved “quantum supremacy” (here’s what they had to say about it). Google has, like many other big...
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A Quantum Computation Course
Physicist: I’ve been a little busy to post much here for a while, but you may be interested in what I’m working on, so here it is. I’m teaching an introductory course on quantum information and...
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Q: Is it possible to create an “almanac” of human behavior that predicts...
The original question was: “Furthermore, you say, science will teach men (although in my opinion a superfluity) that they have not, in fact, and never have had, either will or fancy, and are no more...
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