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A hidden quantum wave may keep particles moving, even when everything else freezes. Researchers discovered that phasons, a type of low-temperature quasiparticle found in crystal lattices, allow interlayer excitons to move, even at temperatures where motion is expected to stop. This finding advances ...

Scientists at QuTech have achieved a major milestone in quantum computing by creating highly precise quantum gates on a diamond chip, hitting error rates as low as 0.001%. By using ultra-pure diamonds and advanced gate designs, the team overcame key challenges that have limited previous approaches. ...

[This is a guest post by Conal Boyce] Exactly what had become ‘visualizable’ according to Heisenberg in 1927, and whence the term ‘Blurriness Relation’ in lieu of Uncertainty Principle? As backdrop for the physics concepts and associated German vocabulary to be explored in a moment, here is a story ...

Physicists have used a cutting-edge quantum computer to simulate a complex particle theory in two dimensions. Unlike traditional binary-based systems, this machine uses qudits, units that handle more values, to naturally represent quantum fields. This leap marks a major step toward solving some of t...

A major scientific leap has been made with the creation of the longest ultra-secure quantum satellite link between China and South Africa, spanning nearly 13,000 km. This unprecedented achievement, marking the first quantum satellite link in the Southern Hemisphere, relied on real-time quantum key d...

Mark your calendar. Our quantum future has arrived. It’s possible for your interlocutor to have liked a message of yours that was never delivered.

Nature, Published online: 25 March 2025; doi:10.1038/d41586-025-00939-x Working with multi-dimensional entities could make calculations more efficient and reduce errors.

UC Riverside and its partners are exploring antiferromagnetic spintronics, a tech that could unlock lightning-fast, ultra-dense memory and smarter computing through quantum mechanics. The University of California, Riverside has been awarded nearly $4 million through the UC National Laboratory Fees R...

Scientists are diving into the deep sea to study one of the universe’s biggest mysteries—quantum gravity. Using KM3NeT, a vast underwater neutrino telescope, researchers are watching ghost-like particles that may hold the key to uniting the physics of the very large and the very small. By analyzing ...

In an ultra-cold, high-magnetic-field setting, ZrTe5 defies expectations by showing quantum heat oscillations. Researchers found that phonons, normally dominant in semimetals, behave more like electrons due to magnetic effects, reshaping our understanding of heat transport. Heat conduction is one of...

On March 18th, Chetan Nayak, a physicist leading Microsoft’s quantum team, presented new data on the company’s quantum computing chip at the American Physical Society’s Global Physics Summit in Anaheim, California. It was meant to calm a raging debate among physicists, but researchers remain s...

The UK’s National Computer Security Center (part of GCHQ) released a timeline—also see their blog post—for migration to quantum-computer-resistant cryptography. It even made The Guardian.

MIT researchers developed a photon-shuttling “interconnect” that can facilitate remote entanglement, a key step toward a practical quantum computer.

Scientists at Princeton University have made a groundbreaking discovery in quantum materials, revealing that electron energy levels in certain systems follow a fractal pattern known as Hofstadter’s butterfly. This phenomenon was first theorized in 1976 but had never been directly observed in a real ...

Last time, I showed you that a simple quantum system, consisting of a single particle in a superposition of traveling from the left OR from the right, leads to a striking quantum interference effect. It can then produce the same kind of result as the famous double-slit experiment. The pre-quantum ve...

Scientists have discovered a revolutionary way to control superconductivity by twisting ultra-thin layers of a superconducting material. This method allows precise tuning of the superconducting gap, a crucial factor for making quantum devices more efficient. Unlike previous approaches that focused o...

Quantum gravity is the missing link between general relativity and quantum mechanics, the yet-to-be-discovered key to a unified theory capable of explaining both the infinitely large and the infinitely small. The solution to this puzzle might lie in the humble neutrino, an elementary particle with n...

After weeks of criticism, Microsoft promised to show new data about its Majorana 1 quantum computer at the biggest meeting of the world's physicists. Researchers in the room tell New Scientist they were not impressed with what they saw.

A record-setting test of quantum communication used a microsatellite to connect ground stations in China and South Africa, bringing a global quantum internet closer to reality

Yesterday, three members of Microsoft’s quantum team presented their work towards a topological quantum computer at the APS Global Summit in Anaheim. Last month, the team made waves announcing their first topological quantum chip, the Majorana 1. More quietly, Nokia Bell Labs has been working on the...

Researchers have simplified a highly complex quantum imaging technique, 2DES, used to observe ultrafast electron interactions. By refining an existing interferometer design, they improved control over laser pulses, unlocking new capabilities for studying energy transfer in materials. Unveiling the U...

Nature, Published online: 19 March 2025; doi:10.1038/s41586-025-08739-z A quantum microsatellite, with a payload weighing only 23 kilograms, in combination with portable ground stations that weigh merely 100 kilograms, is capable of performing space-to-ground real-time quantum key distribution.

Nature, Published online: 19 March 2025; doi:10.1038/s41586-025-08685-w A process based on perovskite semiconductors is described to downscale micro-LEDs and nano-LEDs to below the conventional size limits, demonstrating average external quantum efficiencies maintained at around 20% across a wide ra...

A very curious thing about quantum physics, 1920’s style, is that it can create observable interference patterns that are characteristic of overlapping waves. It’s especially curious because 1920’s quantum physics (“quantum mechanics”) is not a quantum theory of waves. Instead it is a quantum theory...

Physicists at Washington University have forged ahead in the field of quantum mechanics by creating a new phase of matter known as “time crystals” and the even more advanced “time quasicrystals.” These groundbreaking materials defy traditional physics by maintaining perpetual motion and could revolu...

Nature, Published online: 18 March 2025; doi:10.1038/d41586-025-00829-2 Some attendees of a packed presentation were curious about the prospect of the first ‘topological’ qubits, but left with questions unanswered.

USTC researchers created a long-lived Schrödinger-cat state, boosting quantum metrology and precision measurements. Their findings open new possibilities for quantum computing and fundamental physics. A research team led by Prof. Zhengtian Lu and Researcher Tian Xia from the University of Science an...

(With severe apologies to Miles Davis.) Post-Quantum Cryptography is coming. But in their haste to make headway on algorithm adoption, standards organizations (NIST, IETF) are making a dumb mistake that will almost certainly bite implementations in the future. Sophie Schmieg wrote about this topic a...

It’s been difficult to find important questions that quantum computers can answer faster than classical machines, but a new algorithm appears to do it for some critical optimization tasks. The post Quantum Speedup Found for Huge Class of Hard Problems first appeared on Quanta Magazine

Quantum Internet Alliance (QIA) researchers at TU Delft, QuTech, University of Innsbruck, INRIA and CNRS recently announced the creation of the first operating system designed for quantum networks: QNodeOS. The research, published in Read more here

A pause from my quantum series to announce a new interview on YouTube, this one on the Blackbird Physics channel, hosted by UMichigan graduate student and experimental particle physicist Ibrahim Chahrour. Unlike my recent interview with Alan Alda, which is for a general audience, this one is geared ...

Quantum physics just took a leap from theory to reality! Empa researchers have, for the first time, successfully built a long-theorized one-dimensional alternating Heisenberg model using synthetic nanographenes. By precisely shaping these tiny carbon structures, they’ve unlocked new ways to manipula...

Science News, Physics, Science, Philosophy, Philosophy of Science

Science News, Physics, Science, Philosophy, Philosophy of Science

Trained on the spectacular Flame Nebula, the Hubble and James Webb Space Telescopes went hunting for the smallest stars in the universe.

Quantum entanglement, one of the strangest and most powerful aspects of physics, has just been taken to a new level with the use of metasurfaces. Researchers have discovered a way to create quantum holograms, where entangled photons encode intricate information with unprecedented precision. By lever...

Robots, quantum computing, and AI—so much AI.

Combinatorist Gil Kalai points to these papers where he and his colleagues cast doubt on claims of “quantum supremacy” by some Google researchers: Y. Rinott, T. Shoham, and G. Kalai, Statistical Aspects of the Quantum Supremacy Demonstration, Statistical Science (2022) G. … Continue reading →

Nature, Published online: 14 March 2025; doi:10.1038/d41586-025-00357-z A Nature special.

For the first time, researchers transformed light into a quantum crystalline structure to create a "supersolid" that's both solid and liquid at the same time. Here’s what that means, and why it's such a big step forward.

D-Wave’s fresh claim that it has achieved “quantum advantage” has sparked criticism of the company—and of the scientific process itself

Science News, Physics, Science, Philosophy, Philosophy of Science

Science News, Physics, Science, Philosophy, Philosophy of Science

What is really going on in the quantum double-slit experiment? The question raised in this post’s title seems to lie at the heart of the matter. In this experiment, which I recently reviewed here, particles of some sort are aimed, one at a time, at a wall with two slits, and their arrival is recorde...

This new superconducting prototype quantum processor achieved benchmarking results to rival Google's new Willow QPU.

Researchers at the University of Adelaide have performed the first imaging of embryos using cameras designed for quantum measurements.

Superconductivity, which entails an electrical resistance of zero at very low temperatures, is a highly desirable and thus widely studied quantum phenomenon. Typically, this state is known to arise following the formation of bound electron pairs known as Cooper pairs, yet identifying the factors con...

Quantum systems don’t just transition between phases—they do so in ways that defy classical intuition. A new experiment has directly observed these “dissipative phase transitions” (DPTs), revealing how quantum states shift under carefully controlled conditions. This breakthrough could unlock powerfu...