Try out my quantum mechanics course (and many others on math and science) on https://brilliant.org/sabine. You can get started for free, and the first 200 will get 20% off the annual premium subscription. How much of what you hear about quantum computing is real promise and how much of it is hype? What is the "quantum winter" that so many physicists have been warning of? In this video I sort it out for you. The Physics World article about quantum hype (which is a great read) is here: https://physicsworld.com/a/the-quantum-hype-cycle-revisited/ The news item about IBMs mega fridge is here: https://research.ibm.com/blog/goldeneye-cryogenic-concept-system The paper about factorizing 21 on a quantum computer is this: https://www.nature.com/articles/nphoton.2012.259 Dyakonov's book is here: https://link.springer.com/book/10.1007/978-3-030-42019-2 The quote about the quantum winter from Hoofnagle and Garfinkel is from here: https://slate.com/technology/2022/01/quantum-computing-winter-scenario.html And their book is available here: https://www.cambridge.org/core/books/law-and-policy-for-the-quantum-age/026A5CE2FE7FE277B94DA01A519B2DAD The Linkedin post from Galitski is here: https://www.linkedin.com/pulse/quantum-computing-hype-bad-science-victor-galitski-1c/ The piece from Gourianov in the Financial Times is here: https://www.ft.com/content/6d2e34ab-f9fd-4041-8a96-91802bab7765 💌 Sign up for my weekly science newsletter. It's free! ➜ https://sabinehossenfelder.com/newsletter/ 👉 Support me on Patreon ➜ https://www.patreon.com/Sabine 📖 My new book "Existential Physics" is now on sale ➜ http://existentialphysics.com/ 🔗 Join this channel to get access to perks ➜ null 00:00 Intro 00:37 Quantum Hype 04:58 How Does a Quantum Computer Work? 07:20 Problems With Quantum Computers 12:57 Quantum Winter 17:40 What Does It Mean? 18:20 Check out my Quantum Mechanics Course on Brilliant #quantum #physics #science