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A collaboration of a neurologist, a computer scientist, and a philosopher has just put forward a new theory of consciousness. It is based on the idea of causal models. The authors claim boldly that their idea solves the hard problem of consciousness and explains why zombies don’t exist in nature. Really? I’ve had a look.

Paper: https://osf.io/preprints/osf/mtgn7

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Physicists are obsessed with black holes, but we still don’t know what’s going on inside of them. One idea is that black holes do not truly exist, but instead they are big quantum objects that have been called fuzzballs or frozen stars. This idea has a big problem. Let’s take a look.

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

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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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#science #sciencenews #quantumcomputer #technology #technews #tech

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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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