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New Observations Fit Neatly With String Theory, Physicists Find

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According to a growing body of data, dark energy is not constant. Instead, physicists claim, it’s slowly getting weaker. This has understandably shaken our understanding of the universe – this week, physicists show that the new data is compatible with string theory, and that the universe will eventually collapse. Let’s take a look.

Paper: https://arxiv.org/abs/2506.

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Constructor Theory Explains Origin of Time

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Most physicists believe that time fundamentally doesn’t exist, because the concept of time is incompatible with a model of physics where quantum mechanics and general relativity coexist. David Deutsch and Chiara Marletto have now shown that “constructor theory” can be used to construct time. Let’s take a look.

Paper: https://arxiv.org/pdf/2505.

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New Theory: Space Has Memory, Stores Information

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Gravitational memory is the idea that gravity’s ability to duplicate information from other forces should somehow store that information in certain masses. A group of physicists has now published a series of papers claiming that this idea might solve the black hole information loss problem and explain dark matter. Really? Let’s take a look.

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Vision-language model creates plans for automated inspection of environments

Recent advances in the field of robotics have enabled the automation of various real-world tasks, ranging from the manufacturing or packaging of goods in many industry settings to the precise execution of minimally invasive surgical procedures. Robots could also be helpful for inspecting infrastructure and environments that are hazardous or difficult for humans to access, such as tunnels, dams, pipelines, railways and power plants.

Despite their promise for the safe assessment of real-world environments, currently, most inspections are still carried out by human agents. In recent years, some computer scientists have been trying to develop computational models that can effectively plan the trajectories that robots should follow when inspecting specific environments and ensure that they execute actions that will allow them to complete desired missions.

Researchers at Purdue University and LightSpeed Studios recently introduced a new training-free computational technique for generating plans based on written descriptions, which could guide the movements of robots as they inspect specific environments. Their proposed approach, outlined in a paper published on the arXiv preprint server, specifically relies on vision-language models (VLMs), which can process both images and written texts.

Black Holes might turn into White Holes, and make up dark matter, physicists say

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White holes are theoretical bodies in physics that are basically time-reversed black holes, meaning instead of permanently trapping matter inside themselves, they release it constantly. Recently, one team of physicists claimed that black holes can turn into white holes, another team says they know how to detect them, and yet another group claims that white holes make up dark matter. Has the time for white holes come?

Paper: https://arxiv.org/abs/2409.

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“Pseudoscientific” Theory Correctly Predicts Location of Consciousness

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The rise of AI has made us humans increasingly question what consciousness really is. In a recent study, researchers pitted two competing theories of consciousness against one another, the controversial Integrated Information Theory versus Global Neuronal Workspace Theory. Let’s take a look at what they found.

Paper: https://www.nature.com/articles/s41586-025-08888-1

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Scientists Uncover Hidden Pattern in Quantum Chaos

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Chaos doesn’t exist in the world of quantum physics, as quantum physics is a linear theory. So how come we observe chaos all around us? Researchers have now come one step closer to understanding how it happens. They have for the first time measured a “quantum scar”, that is a quantum effect which deviates from chaos. Why does this matter and what could it be good for? Let’s take a look.

Paper: https://www.nature.com/articles/s4158… lovely animation for the spread of the wavefunction in the stadium and heart come from the Quantum Physics Corner: • Quantum heart billiard 🤓 Check out my new quiz app ➜ http://quizwithit.com/ 💌 Support me on Donorbox ➜ https://donorbox.org/swtg 📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 👉 Transcript with links to references on Patreon ➜ / sabine 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsle… 👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXl… 🔗 Join this channel to get access to perks ➜ / @sabinehossenfelder 🖼️ On instagram ➜ / sciencewtg #science #sciencenews #physics #quantumphysics.

The lovely animation for the spread of the wavefunction in the stadium and heart come from the Quantum Physics Corner: • Quantum heart billiard.

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Researchers find major clue to consciousness

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We still don’t know what “consciousness” actually means. But in a new study, researchers have used the equations of quantum mechanics to determine a brain’s “criticality,” a measure which allows them to separate waking brains from sleeping ones. I think they’re onto something. Let’s take a look.

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The Entire Universe Seems to Spin, New Data Reveal

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Correction: When I say that there are 2/3 of galaxies that spin one direction and 1/3 the other, that should have been 3/5 one way and 2/5 the other. Or, to put it into percentages, it’s 60% vs 40% (not 67% vs 33%). Sorry about that uneasy

A new study has found that the universe might be spinning. What does that even mean? Let’s have a look.

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Atomic Anomaly Confirmed! Evidence for a “dark force”?

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In 2020, a group of MIT researchers detected an anomaly in the nuclei of ytterbium atoms. They said that the nuclei’s strange behavior might be indicative of a “dark force” caused by a currently-undiscovered mystery particle that might make up dark matter. In 2020, the anomaly only had a significance of 3 sigma. But now, another group has confirmed it at a whopping 23 sigma! What does that mean for physics? Let’s find out.

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