I’ve never heard of Kaku, perhaps because the days of roaming through a bookstore looking at the popular science shelves have passed. Based on your review, I strongly suspect that Kaku asked ChatGPT to write it. Nothing about Deser just because I never met him and know little about his work. Part of the problem is that I’ve always shared Sidney Coleman’s view on supergravity. They’re powerful, but not reliable. That means that for now, claims of quantum supremacy have to be taken with a pinch of salt. In October 2019, Google published a paper suggesting it had achieved quantum supremacy – the point at which a quantum computer can outperform a classical computer. But its rivals disputed the claim – IBM said Google had not tapped into the full power of modern supercomputers.

President Joe Biden inspects a quantum computer at an IBM facility in New York state, October 2022. Photograph: Andrew Harnik/AP The “only game in town” argument has not been valid for quite some time now. There actually are various alternative proposals out there, some arguably better than others, but for some reason they fail to attract attention as promising research directions. As a consequence, very few people work on those proposals, and therefore progress is slow. Well, that’s the universal law of technology, that [it] can be used for good or evil. When humans discovered the bow and arrow, we could use that to bring down game and feed people in our tribe. But of course, the bow and arrow can also be used against our enemies.” Let N represent the number we wish to factorize. For an ordinary digital computer, the amount of time it takes to factorize a number grows exponentially, like t ~ e N, times some unimportant factors.

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I know that many people in the field dismiss my output-orientation as unscientific but I would like to argue that this is just a tactic they have developed to shield themselves from criticism. There’s a LOT of public money going into quantum technology and people deserve an honest answer to the question what it’s supposed to do for them.

Knox #1: As a test, I tried asking GPT-4 to write a quantum computing explainer in the style of Michio Kaku, and it indeed generated similar prose with similar misconceptions. But then I asked it to write it in the style of Scott Aaronson and it did the same… 😀 His book about QFT isn’t half bad, it doesn’t add anything to the Weinberg or Zee but has a very interesting historical foray into simmetries and all the work in the post war era, citing the japanese effort that i knew nothing about.

What is quantum computing?

Everything is going to be turned upside down’: Michio Kaku on the new world of quantum computing | The Spectator Researchers have made great progress in developing the algorithms that quantum computers will use. But the devices themselves still need a lot more work.