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PsiQuantum shows quantum chips, PsiCube cooling

PsiQuantum has detailed the photonic quantum chips and cooling system it plans to use for a quantum computer with a million qubits.

The Omega quantum photonic chipset is purpose-built for utility-scale quantum computing and produced by Global Foundries in New York on 300mm wafer. The technology was detailed in a paper in Nature submitted last June and published this week.

This paper shows high-fidelity qubit operations, and a simple, long-range chip-to-chip qubit interconnect – a key enabler to scale that has remained challenging for other technologies.

A Million Qubits Within Reach as Microsoft Redefines Quantum Computing

Microsoft’s Majorana 1 quantum chip introduces a breakthrough Topological Core, enabling stable and scalable qubits.

By leveraging topoconductors, this innovation paves the way for million-qubit machines capable of solving complex scientific and industrial challenges. With DARPA

Formed in 1958 (as ARPA), the Defense Advanced Research Projects Agency (DARPA) is an agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military. DARPA formulates and executes research and development projects to expand the frontiers of technology and science, often beyond immediate U.S. military requirements, by collaborating with academic, industry, and government partners.

Supercomputer Cracks the Code of Shapeshifting Atoms

Using the Frontier supercomputer, researchers have cracked a major challenge in nuclear physics: accurately predicting nuclear structure and forces at an unprecedented level of detail.

Their discoveries, including new insights into the shape-shifting nature of the 30-neon nucleus, could revolutionize scientific fields ranging from quantum mechanics to national security.

Revolutionizing Nuclear Predictions with Frontier.

Chinese Scientists Overcome Key Barrier to Scalable Photonic Quantum Computing

The researchers indicate that several challenges remain. The current system operates at cryogenic temperatures, which limits practical applications. While photons themselves can function at room temperature, the quantum dot requires cooling to maintain stability. Researchers are exploring alternative materials and designs that could allow operation at higher temperatures.

Additionally, the experiment used a single quantum dot, which is not easily scalable to large numbers of qubits needed for universal quantum computing. Future work will need to integrate multiple quantum dots or alternative photon sources that can be mass-produced with high consistency.

Another limitation is the reliance on superconducting detectors with an efficiency of 79%. If detection efficiency is improved beyond 93.7%, the overall system efficiency could surpass the required threshold even further. Advancements in superconducting nanowire technology suggest this is feasible in the near future.

Reality is not revealed by quantum mechanics

“According to Hooke, microscopes, like telescopes, put us on the cusp of doing what philosophers from Antiquity onwards had always tried to do, namely, understand the fundamental nature of reality,” writes assistant professor in philosophy, Peter West.

The idea that we can discover the fundamental level of reality might be alluring, but it’s based on a faulty philosophy, not science, argues Peter West.

Tap to read more about his beliefs that reality is not revealed by quantum mechanics.


The craze with all things quantum is not just because of its inherent weirdness. It’s motivated by a reductionist impulse that has been animating science from Robert Hooke in the 17th century to Stephen Hawking in the 21st. The idea that we can discover the fundamental level of reality might be alluring, but it’s based on a faulty philosophy, not science, writes Peter West.

The idea that reality is reducible to its most fundamental parts still animates much of science, particularly physics and philosophy. The craze with all things quantum is partly animated by this thought: understand quantum mechanics, the way that matter behaves at the smallest level known to us, and you’ve understood everything. But this philosophical impulse — because contrary to belief, it’s not scientific — that the microscopic holds the key to the secrets of the universe, is much older than quantum mechanics. It goes back at least all the way to the 17th century and the invention of the microscope. Some of the best critiques of reductionism also date from the same century: Size doesn’t matter, the very small is just one realm of reality among many, with no special privilege.

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Our Universe Has Two Different Sides, Physicists Confirm

I have my own introduction to quantum mechanics course that you can check out on Brilliant! First 30 days are free and 20% off the annual premium subscription when you use our link ➜ https://brilliant.org/sabine.

Physicists have a lot of questions about our universe. Here’s one more to add to the list: Why is it so asymmetrical? New research has confirmed an anomaly named the Hemispherical Power Asymmetry, which states that the cosmic microwave background has more fluctuations in one side of the universe than the other. The weirdest part about this is that no one even has a theory for why this might be the case.

Paper: https://arxiv.org/abs/2411.

This video comes with a quiz which you can take here: https://quizwithit.com/start_thequiz/.… 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.

🤓 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

It seems like something out of a movie — they successfully achieve the first quantum teleportation in history

The future is coming and much faster than we think. Let’s do an exercise of imagination, imagine, for a moment, being able to send information from one point to another without the need for cables, Wi-Fi or traditional signals, more or less like something telepathic, right? Well, that is precisely what scientists have recently achieved at the University of Oxford: teleporting data between two quantum computers. Although it may seem like science fiction or just news, the world.

Although, let’s lower the hype a little, the transmission distance of this experiment was less than two meters, but that doesn’t matter, what matters is having achieved this milestone of sharing information without the need for connections.