The blockchain industry in 2026 can no longer be explained by speed and transaction fees alone. As user experience becomes increasingly abstracted, the distinction between Layer 1 and Layer 2 networks is fading, shifting the basis of competition toward how reliably a platform can support applications that people actually use. Sonic Labs operates as a globally distributed blockchain infrastructure project, focusing on both post-quantum readiness and AI-driven developer environments. In an interview with Korea IT Times, Samuel Harcourt, a core contributor at Sonic Labs, outlines the next phase of the industry through three lenses: the redefinition of the L1–L2 relationship, the shift toward value capture and developer experience, and protocol architecture designed for a post-quantum era. He emphasizes that the question of whether a protocol is “prepared” is no longer a technical detail, but a condition for survival. What follows is a Q&A with Samuel Harcourt. How do you see the relationship between L1s and L2s evolving in 2026, especially as users expect seamless experiences without caring what chain they’re on? End-user abstraction is already here and as it grows, more users won’t even know if they are using an L1 or L2. The more interesting question is what that abstraction means for the economics and design choices underneath it. The L1-L2 relationship was previously framed as a division of labour where L1s provided security and L2s provided throughput. That framing is increasingly difficult to sustain in 2026, where modern L1s, Sonic included, are now delivering finality and throughput that removes the original scaling argument for rollups on that particular chain. Once a base layer can handle an application load directly, the rationale for a dedicated L2 on top of it narrows to specific use cases rather than general-purpose scaling. This means that L1s and L2s are converging on the
May 2, 2026 · via koreaittimes.com
About
Press
Copyright
Contact us
Creators
Advertise
Developers
Terms
Privacy
Policy & Safety
How YouTube works
Test new features
NFL Sunday Ticket
© 2026 Google LLC
May 2, 2026 · via youtube.com
Paradigm Unveils ‘PACTs’ Proposal to Protect Satoshi-Era Bitcoin Wallets From Quantum Attacks Summary - Paradigm has unveiled PACTs, a new design aimed at protecting early Bitcoin (BTC) wallets from hacking by quantum computers. - The proposal would allow Bitcoin holders to secure their assets using encrypted proof of ownership without moving them to quantum-resistant wallets. - PACTs could provide a way to protect early wallets, including about 1.1 million Bitcoin held by Satoshi Nakamoto, from security threats without moving the coins. Forecast Trend Report by Period Paradigm has unveiled a new technical proposal aimed at protecting early Bitcoin wallets from hacking threats posed by quantum computers. CoinDesk reported on May 2 that the firm released a new design called “Provable Address Control Timestamps,” or PACTs. The proposal would allow Bitcoin holders to protect their assets through encrypted proof of ownership without moving them to quantum-resistant wallets. The system works in two steps. First, a holder generates proof of ownership by combining random data, or a salt, with a private signature and recording it on-chain. Later, even if the network freezes older addresses as a security measure, the holder can restore access to the assets by submitting a quantum-resistant STARK proof without disclosing the address or balance. PACTs could help protect early wallets with exposed public keys, including about 1.1 million Bitcoin held by Satoshi Nakamoto. Existing security measures require Satoshi to move the coins and reveal his identity to avoid losing them. Under this design, the coins could be protected from security threats without ever being moved. Dan Robinson, a general partner at Paradigm, said PACTs offer a balanced option between defending against quantum threats and protecting ownership of dormant assets. Uk Jin wook9629@bloomingbit.ioH3LLO, World! I am Uk Jin.
May 2, 2026 · via en.bloomingbit.io
Paradigm researcher Dan Robinson published a proposal on May 1 that could let dormant bitcoin holders, including those believed to be Satoshi Nakamoto’s coins, silently prove address control before quantum computers can crack their keys. Paradigm Researcher Proposes PACTs to Shield Dormant Bitcoin From Quantum Computing Risk Key Takeaways: - Paradigm’s Dan Robinson proposed PACTs on May 1, 2026, offering bitcoin holders a free, private way to timestamp address control before quantum threats arrive. - Over 1.1 million BTC worth roughly $75 billion in Satoshi-linked wallets face exposure if cryptographically relevant quantum computers emerge. - PACTs require no Bitcoin fork today but need future STARK verification support and community consensus to activate a rescue path. Bitcoin Holders Gain Silent Escape Hatch as Paradigm Targets Quantum Vulnerability The proposal, titled Provable Address-Control Timestamps (PACTs), outlines a three-step method using existing Bitcoin tools to timestamp cryptographic proof of wallet ownership. No onchain transaction is required. No public signal is broadcast. The holder stores a secret salt, a BIP-322 message signature, and an OpenTimestamps proof file, then waits. Dan Robinson, a general partner and researcher at the crypto venture fund Paradigm, framed the proposal as a hedge against a specific dilemma facing Bitcoin. If cryptographically relevant quantum computers (CRQCs) arrive before the protocol adapts, addresses with exposed public keys become vulnerable to theft. If Bitcoin rushes a sunset soft fork to freeze those addresses, dormant holders face a forced, public coin migration. For wallets believed to belong to Satoshi Nakamoto, that migration would reveal whether the pseudonymous creator is alive, active, and still holding keys. Researchers estimate those wallets hold approximately 1.1 million BTC, worth more than $75 billion at current prices. PACTs offer a third path. A holder generates a 256-bit secret salt and uses BIP-322 full message signing to prove control
May 2, 2026 · via news.bitcoin.com
Are Your AI Deployments Quantum-Resistant? How to Protect Against Future Cyberattacks The post Are Your AI Deployments Quantum-Resistant? How to Protect Against Future Cyberattacks appeared first on Read the Gopher Security's Quantum Safety Blog. Your AI deployments are sitting on a cryptographic foundation that is, quite frankly, a ticking time bomb. If you’re still betting the farm on standard RSA or ECC encryption to protect your proprietary model weights, training data, or agent-to-agent chatter, you’re already losing. Forget the "quantum apocalypse" predicted for the 2030s. That’s a convenient fairy tale for people who want to sleep at night. The real threat—the Store Now, Decrypt Later (SNDL) threat—is happening right under your nose. Adversaries are harvesting your encrypted data this very second. They’re hoarding it in massive server farms, waiting for the day they can flip the switch on a quantum computer and unlock your most guarded intelligence. If your infrastructure isn’t quantum-resistant, your competitive advantage is being exfiltrated in plain sight. Why Traditional Encryption is Failing Your AI Strategy Modern cybersecurity is built on a specific, fragile assumption: that certain math problems—like integer factorization—are impossible to solve. RSA and Elliptic Curve Cryptography (ECC) depend entirely on this premise. It worked for decades. But then came Shor’s algorithm, and suddenly, the math doesn't look so impossible anymore. A cryptographically relevant quantum computer (CRQC) can tear through these problems in polynomial time. When you look at how AI stacks are actually built—massive, centralized data lakes and high-speed pipelines—the vulnerability becomes terrifying. The SNDL threat turns today’s encrypted traffic into tomorrow’s open book. If your AI strategy involves keeping data for more than a few years, or if you’re moving intellectual property across distributed nodes, you’re essentially handing a "time-locked" gift to future adversaries. Relying on current standards isn't a "risk-management choice." It’s
May 2, 2026 · via securityboulevard.com
Researchers at the University of Oxford have achieved a first, demonstrating “quadsqueezing”, a fourth-order squeezing effect, in a single trapped ion controlled by precisely tuned laser fields. Building on the established technique of squeezing already utilized to enhance the sensitivity of gravitational-wave detectors like LIGO, the team unlocked previously inaccessible quantum effects by engineering a novel interaction. Instead of directly attempting a weak higher-order interaction, they combined two carefully controlled forces on the ion, leveraging a phenomenon known as non-commutativity to amplify the effect. “In the lab, non-commuting interactions are often seen as a nuisance because they introduce unwanted dynamics,” said lead author Dr. Oana Băzăvan, Department of Physics, University of Oxford, “Here, we took the opposite approach and used that feature to generate stronger quantum interactions.” This new method promises advancements in quantum simulation, sensing, and computing, following a theory proposed by Dr Raghavendra Srinivas and Robert Tyler Sutherland in 2021. Trapped-Ion System Enables Quad-Squeezing Quantum Interactions This is not simply amplifying existing squeezing techniques used in gravitational wave detection; it’s a fundamentally different order of interaction, unlocking previously inaccessible quantum phenomena. The experiment hinged on manipulating a solitary ion with precisely tuned laser fields, a feat of engineering that underscores the potential for scalability in quantum technologies by focusing on highly controlled single units. Researchers bypassed the challenges of directly creating weak, higher-order interactions by combining two controlled forces acting on the trapped ion, a strategy informed by a 2021 theoretical framework proposed by Dr Raghavendra Srinivas and Robert Tyler Sutherland. Each individual force produces a linear effect, but their combined action generates a stronger interaction due to a phenomenon called non-commutativity, where the forces mutually influence each other. They confirmed these interactions by reconstructing the ion’s quantum states of motion, revealing distinct signatures for each order of
May 2, 2026 · via quantumzeitgeist.com
The surprisingly swift commercialization of quantum computing is signaled by the emergence of three startups originating from Harvard research over the last decade. LightsynQ, co-founded in 2024 by Mihir Bhaskar, was acquired by IonQ last year, and Bhaskar now serves as senior vice president for research and development, demonstrating a clear trajectory from academic innovation to industry leadership. QuEra has already shipped its second commercial quantum computer, built on Harvard technology, to Japan, while CavilinQ recently secured $8.8 million in seed funding to further develop quantum networking. “Where are we now compared to where we thought we’d be in 2018? We are so much farther ahead than I think any of us could have imagined,” says Evelyn Hu, Tarr-Coyne Professor of Applied Physics and of Electrical Engineering, reflecting a sentiment that this once theoretical science is rapidly approaching practical application. LightsynQ, QuEra, and CavilinQ: Harvard Quantum Startups Emerge These ventures, LightsynQ, QuEra, and CavilinQ, demonstrate a rapid transition from theoretical physics to tangible technology, exceeding expectations set as recently as 2018. LightsynQ, co-founded in 2024 by Harvard Ph.D. Mihir Bhaskar, exemplifies this trend. Bhaskar acknowledges the surprising pace of development, stating, “I couldn’t have predicted this…the pace of innovation, the pace of development, the pace of—honestly—capital going into the technology has far exceeded what I could have possibly imagined.” QuEra, established in 2018 by Mikhail Lukin and Markus Greiner with partners from Harvard and MIT, recently shipped its second commercial quantum computer to Japan’s National Institute of Advanced Industrial Science and Technology, showcasing the practical application of research. Brandon Grinkemeyer, a postdoctoral fellow and CavilinQ founder, explains the importance of quantum networking, drawing parallels to classical computing: connecting processors increases computational power, enabling solutions to problems beyond the reach of single processors. Harvard Quantum Initiative Fuels Fault Tolerance Advances The
May 2, 2026 · via quantumzeitgeist.com
About
Press
Copyright
Contact us
Creators
Advertise
Developers
Terms
Privacy
Policy & Safety
How YouTube works
Test new features
NFL Sunday Ticket
© 2026 Google LLC
May 2, 2026 · via youtube.com
Inside a radio-frequency trap at Oxford’s Clarendon Laboratory, a single strontium ion hangs in a vacuum, cooled to near stillness, vibrating with an energy so close to nothing that quantum mechanics itself sets the floor. The ion is about ten nanometres across. Its motion is the harmonic oscillator, the same mathematical beast that describes a child’s swing, a plucked guitar string, the electromagnetic shiver of light itself. For decades, physicists have been squeezing that motion, redistributing its quantum uncertainty to sharpen one property at the cost of another. What Oana Băzăvan and her colleagues at Oxford have now done is push the squeezing to a place no one has gone before. The result, published in Nature Physics, is something called quadsqueezing: a fourth-order quantum interaction that, until now, existed mostly as a theoretical curiosity. Getting there required a trick that was, in a way, hiding in plain sight. The Quantum Noise Problem Squeezing is already a workhorse of precision physics. It works because quantum mechanics does not let you know everything about a system at once. Position and momentum, for instance, cannot both be pinned down simultaneously; this is Heisenberg’s uncertainty principle, not as a failure of measurement but as a hard feature of reality. Squeezing reshapes that uncertainty: make position sharper and momentum gets blurrier, or vice versa. Squeezed light is already used in gravitational-wave detectors like LIGO, where the sensitivity needed to catch the faint ripple of two colliding black holes requires beating quantum noise itself. Ordinary, second-order squeezing does that job. But physicists have long suspected that going further, to third-order (trisqueezing) and fourth-order (quadsqueezing) interactions, would unlock genuinely different quantum territory. Non-Gaussian states, they are called, and they matter because the classical computers that can efficiently simulate ordinary Gaussian quantum systems hit a wall when the
May 2, 2026 · via scienceblog.com
The Sun Pharma-Organon deal, UAE’s divorce from OPEC, and more… In this week’s wrapup, we talk about Cisco’s breakthrough that might change quantum computing forever, the paradox of India’s slipping GDP ranking, the global helium shortage, the UAE’s exit from OPEC, and what happens when India runs out of urea. Also, in this week’s Markets edition, we discuss India’s largest overseas pharmaceutical deal, as Sun Pharma announced its acquisition of Organon & Co., a US-based company focused on women’s health. We don’t just break down the deal, but also what it means for Sun Pharma and its numbers. You can read the full story here. With that out of the way, let’s look back at what we wrote this week. The missing piece in quantum computing Quantum computers are powerful. But they have one embarrassing problem. They still can't talk to each other. Each machine works alone. There’s no sharing, teamwork or network. And that’s the gap Cisco is trying to close with its new “universal quantum switch”. The tricky part? Quantum information is fragile. You can't copy it or resend it. And different quantum systems encode information in completely different ways, making communication incredibly difficult. Cisco’s switch acts as a translator, converting signals between systems without destroying the information in the process. It works at room temperature and runs on existing fibre optic cables. No exotic cooling, no new infrastructure. The bigger idea: instead of building one impossibly large quantum machine, you could network many smaller ones together. Same outcome, completely different approach. In Monday’s story, we break down why this missing piece matters so much today. India’s economy is growing. So why is its GDP rank slipping? The IMF recently said that India slipped from the fourth-largest to the sixth-largest economy in the world. Naturally, that triggered panic
May 2, 2026 · via finshots.in
HSBC & Haiqu Solve Quantum Finance’s Data Block with IBM Quantum computing has long promised to calculate market risks at lightning speed, but this vision has been blocked by the data bottleneck. Getting complex, real-world financial data into a quantum computer is notoriously difficult. Now, new joint research from HSBC and quantum software startup Haiqu suggests a breakthrough. Their findings prove that financial risk modelling applications are much closer to practical reality than previously thought. Solving the loading problem The research shows that financial institutions can provide financial data to a quantum computer through a process called Quantum State Preparation. Normally, encoding “heavy-tailed” distributions – mathematical models used to predict extreme market crashes – requires complex circuits that today’s quantum hardware simply can’t handle. These circuits become overwhelmed, causing the quantum computer to crash before it finishes the calculation. HSBC and Haiqu solved this by using a method called Matrix Product States. This allowed them to create shallow circuits, which are essentially a more streamlined, efficient way to pack data. Instead of trying to store every single piece of data in the computer’s memory at once, they used a sampling-based workflow that “avoids storing the full discretised dataset in classical memory, enabling larger encoding circuits to be generated,” reads the firms’ press release. Real-world testing on IBM hardware IBM provides access to quantum computing processors like the Eagle and Osprey, which are designed to handle increasingly complex workloads. HSBC and Haiqu ran their tests on this hardware. The study demonstrated the method’s efficacy across increasingly complex scales. At the 25-qubit level, a threshold where physical quantum processors begin to handle complex data, the team utilised IBM hardware to successfully reproduce probability distributions that satisfied all standard statistical benchmarks To test the system’s resilience against the errors common in larger processors,
May 1, 2026 · via technologymagazine.com
Paradigm researcher proposes timestamp 'escape hatch' to protect Satoshi-era bitcoin from quantum threats Quick Take - PACTs would let long-term bitcoin holders prepare for a worst-case quantum scenario without moving funds or signaling activity onchain. - Competing proposals like BIP-361 would look to force upgrades over the span of a few years. We'd love your feedback. A Paradigm researcher outlined a new model he says could protect dormant bitcoins, including those belonging to the network's creator, Satoshi Nakamoto, from a future quantum computing threat. The proposal from Dan Robinson introduces what he calls "Provable Address-Control Timestamps," shortened to PACTs. It would create a way for bitcoin (BTC) holders to prove they controlled a wallet before quantum computing advances to the point of being capable of deriving the wallet's private keys — if that day ever comes. The model uses a timestamping system that is already part of a blockchain's basic functionality. Holders would essentially generate a proof that they control their bitcoin and timestamp it on the blockchain, creating a record of ownership in the event of a future quantum attack. That proof could then later be unlocked, allowing users to reclaim their funds on a future quantum-resistant version of Bitcoin. It is a potential workaround for a major issue in the quantum bitcoin debate: how to protect the ownership and privacy of long-dormant bitcoin addresses. Under other similar proposals, like BIP-361 by Casa's chief security officer Jameson Lopp, and others, there would be a multi-year migration window for wallets, exchanges, and custodians to upgrade to quantum-resistant technology, before "sunsetting" legacy signatures. After that period, any coins that failed to migrate would be rendered unspendable. But this creates a separate set of problems for dormant holders. Moving funds would reveal that the owner is still active and could potentially link
May 1, 2026 · via theblock.co
Shares of quantum computing provider IonQ (IONQ +2.39%) jumped 56.5% in April, according to data from S&P Global Market Intelligence. As a quantum computing research lab, the company has little of a business model today, but it recently won a research contract and expects strong revenue growth this year. It remains unprofitable. Here's why IonQ stock rocketed higher in April, and what investors should do from here. NYSE: IONQ Key Data Points New government contract The catalyst for IonQ's soaring stock price in April was an announcement that DARPA (the Defense Research Agency) had awarded IonQ a contract for its quantum computing research program. Along with its Air Force research, IonQ is working hard to secure government research funding for this potentially revolutionary computing technology. In the days following the announcement, IonQ's stock began to soar. IonQ has a working quantum computer, although it is very rudimentary. Along with government research grants, the company sells its quantum services through cloud providers, provides consulting services, and resells quantum hardware to other research labs. However, because errors in existing quantum computers form so rapidly, it is likely that cloud revenue is quite low, as no real-world problems can be solved. Last quarter, IonQ's revenue was $62 million. On this revenue, it posted an operating loss of $229 million. The lack of profitability should be a glaring red flag for anyone considering investing in quantum stocks like IonQ. Buying IonQ and any quantum stock should come with a big warning IonQ has been a wild stock for shareholders, experiencing huge ups and downs over the last few years. This is likely due to its high short interest, meaning a lot of its outstanding shares are held short by short sellers. When a bullish catalyst occurs, this can cause a short squeeze and drive
May 1, 2026 · via fool.com
About
Press
Copyright
Contact us
Creators
Advertise
Developers
Terms
Privacy
Policy & Safety
How YouTube works
Test new features
NFL Sunday Ticket
© 2026 Google LLC
May 1, 2026 · via youtube.com
Industry Advances Quantum Networking, Cloud and Application Development In the midst of the quantum development era, more capabilities are emerging every day. Some of the latest advancements are enabling quantum computing networks, quantum computing in the cloud, and environments for the creation and validation of quantum applications. IonQ, the American quantum company headquartered in College Park, Maryland, with locations in Basel, Switzerland; Toronto, Canada; Rome, New York, and Bothell, Washington, is planning to demonstrate a high-performance quantum network later this year. The quantum network could offer 50-100 times higher network speeds than traditional computer networks. Four officials from IonQ spoke at a Griffiss Institute event on March 19, including Mihir Bhaskar, senior vice president for Global Research and Development; Masako Yamada, senior director of Applications Development; Denny Dahl, senior director for Field Engineering; and Curt Bujosa, technical program manager. The Griffiss Institute is an advanced technology and science, technology, engineering and mathematics talent accelerator for the Defense Department. Their collaborative space, the Innovare Advancement Center, in Rome, New York, brings together academic, government and industry partners. The institute is working with companies like IonQ, along with some of the directorates of the Air Force Research Laboratory (AFRL) in Rome, across quantum and other advanced technologies. “It’s kind of like being able to play with fire for the first time,” IonQ’s Dahl said. “And as a scientist, who would not love to do that. But there are other good reasons to do [quantum], including national security. If we can manipulate and precisely control these quantum states, there are things that we are going to be able to do that will give us a national security advantage. We would like that, and we’d like to make sure that nobody else gets it before us.” Heather Hage, the president and CEO of the
May 1, 2026 · via afcea.org
About
Press
Copyright
Contact us
Creators
Advertise
Developers
Terms
Privacy
Policy & Safety
How YouTube works
Test new features
NFL Sunday Ticket
© 2026 Google LLC
May 1, 2026 · via youtube.com
Worried about how online firms use data they get from you? Berkman Klein researchers unveil new tool to verify identity, let users limit information they share, where it is stored In our increasingly online lives, convenience has come at a cost. The average person has more than 100 online accounts, and creating a new one often requires handing over personal information like an email address or a birthdate. Researchers at the Applied Social Media Lab at the Berkman Klein Center for Internet & Society say the current system puts your privacy at risk and makes you more vulnerable to identity theft, and they have a plan to fix it. As part of a digital identity symposium in April, engineers from ASML launched the Keyring wallet, an open-source identity verification tool. Rather than surrendering personal data to be stored in corporate databases, Keyring lets users keep their information on their mobiles and disclose only what is absolutely necessary to verify who you are. “Identity is actually deeply personal,” said ASML principal investigator James Mickens, Gordon McKay Professor of Computer Science at Harvard John A. Paulson School of Engineering and Applied Sciences. “Your age, your name, your location, your gender — all of these are inextricably tied to you as the user, not to some company or some particular piece of technology.” “We were handed a problem nobody had solved. We had no UX patterns, no templates, no precedent. And we built something that a real person can pick up and use in seconds.” Nicole Brennan, senior UX designer During the symposium, researchers described what they see as an increasingly insecure digital identity ecosystem. Meg Marco, senior director of ASML, said individuals have too much data spread out over too many accounts they don’t fully control. “This is important, not only because
May 1, 2026 · via news.harvard.edu
05.01.2026|Dan Robinson An attacker with a powerful enough quantum computer could steal hundreds of billions of dollars of Bitcoin. To prevent that, the Bitcoin community may someday choose to upgrade the protocol to sunset the ability to spend from addresses with exposed public keys. Such an upgrade would be controversial, in part because Bitcoin values the rights of dormant holders—including Satoshi Nakamoto himself, who is estimated to hold around $75 billion of Bitcoin in vulnerable addresses—to remain inactive onchain. If an upgrade sunsets support for those addresses, these dormant holders will be forced to publicly move their coins or let them be frozen. But if quantum computers are coming and we don’t sunset those addresses, those holders will be forced to move those coins or let them be stolen. Either path seems to force long-time holders to give up some of their privacy by publicly moving their funds. This post proposes a way out of that dilemma, by letting Bitcoin holders protect themselves from any eventual sunset costlessly and silently, without having to publicly move their coins. The key is that holders can use Bitcoin itself to secretly timestamp their knowledge of their private keys. A future protocol upgrade could then accept zero-knowledge proofs of these Provable Address-Control Timestamps (PACTs) as an alternative path for spending from a sunsetted address. This protocol could protect the privacy and security of existing Bitcoin holders better than the alternatives. And adopting a standard for these proofs now would help give holders as much time as possible to secure their coins against an emergency sunset, while allowing us to leave the more difficult decisions—including whether a sunset is necessary or desirable—until later. Recent advances raise the question of whether cryptographically relevant quantum computers (CRQCs) could come sooner than most people had hoped. There are
May 1, 2026 · via paradigm.xyz
About
Press
Copyright
Contact us
Creators
Advertise
Developers
Terms
Privacy
Policy & Safety
How YouTube works
Test new features
NFL Sunday Ticket
© 2026 Google LLC
May 1, 2026 · via youtube.com
Oxford scientists create rare quantum effect 100 times faster than expected It demonstrated quad squeezing at a pace that has left the scientific community reeling, achieving the effect 100 times faster than anyone thought possible. For the first time in quantum physics, Oxford researchers have demonstrated quadsqueezing, a complex fourth-order quantum interaction. The study introduces a novel method for controlling quantum harmonic oscillators — systems that mimic vibrating objects such as springs or pendulums at the subatomic level. It demonstrated quad squeezing at a pace that has left the scientific community reeling, achieving the effect 100 times faster than anyone thought possible. “The result is more than the creation of a new quantum state. It is a demonstration of a new method for engineering interactions that were previously out of reach,” said Dr. Oana Băzăvan, lead author from the Department of Physics, University of Oxford. “The fourth-order quadsqueezing interaction was generated more than 100 times faster than expected using conventional approaches. This makes effects that were previously out of reach accessible in practice,” Băzăvan added. The experiment setup Physicists have long used a trick called “squeezing” to sharpen the fuzzy measurements of the subatomic world. It is why gravitational-wave detectors, like LIGO, can hear black holes colliding across the universe. But for all its utility, ordinary squeezing is a relatively simple, second-order effect. Going higher — into the complex realms of trisqueezing and quadsqueezing — has long been dismissed as an experimental pipe dream. Until today. In a recent paper, a team led by Băzăvan and Dr. Raghavendra Srinivas announced the identification of out-of-reach quantum interactions using a single trapped ion. Two carefully controlled, simpler forces were applied to a trapped ion using a phenomenon called non-commutativity. In particular, researchers experimentally demonstrated quadsqueezing, a complex fourth-order quantum interaction previously considered
May 1, 2026 · via interestingengineering.com