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I got a bunch of requests to comment on a new attempt at a theory of everything that supposedly combines quantum physics with general relativity. I had a look, and this is a quick comment. First reaction, basically. Didn’t get far in the paper, as you will see. I am sorry in case I appear unkind, but this kind of stuff really pisses me off.

The paper is here: https://www.sciencedirect.com/science…

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Timestamps:
00:00 — Breakthrough in Quantum Computing.
10:45 — Quantum Teleportation achieved.
15:38 — New Quantum Devices.
20:00 — Explaining my absence.

MIT Paper: https://www.nature.com/articles/s4158…
The book I mentioned: https://amzn.to/3XGRjPK
Thumbnail Image: MIT
B-roll sources: MIT, IBM, Intel, Microsoft, Quantinuum.

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Nobel Prize winner Roger Penrose famously believes that the collapse of the wave-function in quantum mechanics causes consciousness. A group of physicists now tries to improve on Penroses idea in a new paper. I have some comments…

Paper: https://www.mdpi.com/1099-4300/26/6/460

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The Fermi Paradox is an estimate that says: Given all we currently know about the universe, we should have found extraterrestrial life already. So why haven’t we? In a paper that just appeared two weeks ago, a physicist has now put forward the idea that aliens use quantum communication. How does that solve the Fermi Paradox? I’ve had a look.

Paper here: https://arxiv.org/abs/2408.

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Physicists say that they might have solved a long standing problem: How do supermassive black holes manage to merge to larger ones. Their idea: dark matter gets the job done. Or does it? I’ve had a look.

Paper: https://journals.aps.org/prl/abstract…

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A lot of big banks are banking on quantum computing because they think it’ll give them an edge in trading. Though I have on previous occasions noted my doubt that we’ll see any useful quantum computers within the next ten years, two new papers detailing new methods of scaling quantum computers have shifted my perspective. Let’s have a look.

Paper 1: https://www.nature.com/articles/s4158…
Paper 2: https://arxiv.org/abs/2404.

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A group of physicists wants to use artificial intelligence to prove that reality doesn’t exist. They want to do this by running an artificial general intelligence as an observer on a quantum computer. I wish this was a joke. But I’m afraid it’s not.

Paper here: https://quantum-journal.org/papers/q–…

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Can you really send a particle into the past? New Scientist published an article about this last week, and though I’m quite fond of the concept of retrocausality, I’m afraid to say that reality is much less interesting than fiction. Let’s have a look.

Paper: https://arxiv.org/abs/2403.

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Learn more about quantum computing on Brilliant! First 30 days are free and 20% off the annual premium subscription when you use our link ➜ https://brilliant.org/sabine.

Quantum computing, so the fairy tale goes, is the next big thing in technology. News has popped up time and time again noting major advancements in the field, but the latest statement from company D-Wave had people scratching their heads. Are quantum computers really the next big thing? Who’s at the forefront of the field now? Let’s have a look.

Paper: https://arxiv.org/abs/2406.01743v1

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The rate at which the universe is currently expanding is known as the Hubble Rate. In recent years, different measurements have given different results for the Hubble rate, a discrepancy between theory and observation that’s been called the “Hubble tension”. Now, a team of astrophysicists claims the Hubble tension is gone and it’s the fault of supernovae data. Let’s have a look.

Paper: https://iopscience.iop.org/article/10…

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