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100+ Years Old Debate About Quantum Reality Settled With Experiment. Really?

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In quantum physics, a wave function is a mathematical way to describe everything in the universe. But since quantum physics emerged, physicists have argued about whether or not the wave function is real. A group of physicists recently conducted a test of a theorem that describes the mechanics of the wave function, and they’ve told the press that they’ve settled the question: Yes, the wave-function is real. Let’s take a look.

Paper: https://arxiv.org/abs/2510.

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Surprise! Solar System Moves 3x Faster Than Predicted

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According to new data analysis, our solar system is traveling through the universe roughly 3 times faster than our current models predict it should be moving. Why is this, and why does it matter? Let’s take a look.

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We’re (Probably) Not Alone Out Here… — YouTube

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Why haven’t we heard from aliens? That’s a question that sounds simple but turns into a mess the moment you try to answer it. Recently, a mathematician tried to simplify the equation by trying to calculate the odds that we’re the only intelligent life in the universe – according to his math, we shouldn’t be. Let’s take a look.

Paper: https://www.sciencedirect.com/science… Check out my new quiz app ➜ http://quizwithit.com/ 📚 Buy my book ➜ https://amzn.to/3HSAWJW 💌 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 #science #sciencenews #aliens #maths.

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It Took Physicists 50 Years To Prove Einstein Right About This

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Over a century ago, Einstein wrote his theories of special relativity and general relativity. Within those theories, he predicted that, as an object moves faster, it slightly contracts in length. However, 50 years later Penrose and Terrell predicted that what one would see is instead that the object is rotated. In a recent experiment, physicists proved that this Penrose-Terrell effect is actually real. Let’s take a look.

Paper: https://www.nature.com/articles/s4200… to what I say: The object (frame) they used is obviously not a cube (as you can see in the photo), it has dimensions of 1 × 1 × 0.6 m. 🤓 Check out my new quiz app ➜ http://quizwithit.com/ 📚 Buy my book ➜ https://amzn.to/3HSAWJW 💌 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 #science #sciencenews #physics #relativity.

Correction to what I say: The object (frame) they used is obviously not a cube (as you can see in the photo), it has dimensions of 1 × 1 × 0.6 m.

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Physicist Discover Hidden Rules of Life

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Physicists really do believe that their discipline is the basis for all other sciences because, well, it is. Recently, physicists have been applying physics to biology, using physics principles to predict how life itself evolves. Let’s take a look.

Paper 1: https://arxiv.org/abs/2509.09892
Paper 2: https://arxiv.org/abs/2502.11398
Paper 3: https://journals.aps.org/pre/abstract… Check out my new quiz app ➜ http://quizwithit.com/ 📚 Buy my book ➜ https://amzn.to/3HSAWJW 💌 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 #science #sciencenews #physics #biology.

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Is Gravity Just an Illusion Caused by Entropy? New Theory Explains How

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Over the past few decades, the idea that gravity is not a fundamental interaction but is instead caused by the increase of entropy has become increasingly popular in the world of physics. Today, we have a paper from a group of physicists who claim that entropic gravity might be the result of space being full of qubits. Let’s take a look.

Paper: https://journals.aps.org/prx/abstract… Check out my new quiz app ➜ http://quizwithit.com/ 📚 Buy my book ➜ https://amzn.to/3HSAWJW 💌 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 #science #sciencenews #physics #gravity.

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Singularities are Inevitable, Physicist Claims

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According to Einstein’s theories, the universe started with a Big Bang singularity and is slowly expanding until it disperses into nothingness. But physicists have also come up with theories claiming that the Big Bang was non-singular and can repeat, restarting the cycle over again. These are called “cyclic models,” and they’ve re-emerged into the spotlight now that there’s mounting evidence that dark energy is weakening over time. However, a physicist from UC Berkeley recently published a paper which he claims “categorically rules out” cyclic models. Let’s take a look.

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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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