Quantum

Quantum computing startup Oratomic has reached a valuation of $5.4 billion following a new Series-B funding round, according to a Wall Street Journal exclusive. The report highlights continued investor appetite for quantum technology companies. Details on the investors involved and how the funds will be used have not yet been widely reported.

A report on The Quantum Insider argues that quantum systems never fully forget their initial conditions, describing the effect with the phrase 'it's a small world, after all'. The claim suggests that a system's history remains imprinted in its quantum state in ways classical physics would not predict. Details of the underlying research, the team behind it, and peer review status are not specified in the available material.

A report on quantum computing and cryptocurrencies is drawing attention for its nuanced warning: the primary quantum risk lies in the public-key cryptography used to secure wallets, not the blockchain itself, which remains protected by hash functions. The finding carries a broader caution for other systems that rely on similar public-key encryption.

Researchers have used picosecond current pulses to probe the intrinsic limit of dissipationless transport in superconductors, testing how fast and how intensely resistance-free currents can be driven before superconductivity breaks down. The work, published in Nature, offers a way to measure fundamental switching limits directly on ultrafast timescales, with potential relevance for high-speed superconducting electronics and quantum computing hardware.

Researchers say classical position verification is easy to fool, and quantum states of light could authenticate a receiver's location where spoofed GPS signals are a threat. The catch is practical: quantum position verification only works if systems are fast enough and losses low enough, which remains the major engineering bottleneck. Discussion is centering on whether the physics can ever be made robust enough for real-world navigation security.

Researchers have proposed a hybrid quantum computer design capable of simulating both fermions and bosons, the two fundamental classes of particles in physics. The approach combines different quantum systems to capture behaviors that single-platform machines struggle to model, potentially opening new paths for simulating materials and fundamental particles. The work is being presented through the American Physical Society.

A new claim of possible first evidence for quantum gravity is drawing attention across the physics community. Quantum gravity is a long-sought theory uniting general relativity with quantum mechanics, and no experimental confirmation has ever been achieved. Commentators are debating whether the reported findings genuinely point to quantum-gravitational effects or have a more conventional explanation, with physicists urging caution until results are independently replicated.

Physicists report that collisions between dipolar molecules effectively 'switch off' when the molecules are cooled to very low energies, behaving far differently than at higher energies. The finding is drawing attention in the ultracold chemistry community because it challenges expectations about how polar molecules interact and could matter for quantum simulation and controlled chemical reactions.

A new open-source tool called PQC Triage lets developers paste a software dependency manifest and instantly see which cryptographic algorithms in their stack a quantum computer could break first. The tool aims to help teams prioritise migration to post-quantum cryptography as quantum computing advances. Discussion so far has been small but focused on its usefulness for security auditing and codebase triage.

The American Physical Society is highlighting research reporting that quantum light leaves a measurable imprint on electrons. The finding suggests that the quantum properties of light can be transferred to and detected in electron behavior, a result of interest to physicists studying light-matter interaction at the quantum level. Details of the experiments and their implications remain limited in the available coverage.

Researchers report the first laboratory observation of quantum spins shifting an object visible at the centimeter scale, a leap from the atomic and microscopic systems usually involved in such experiments. The result, covered by physics news outlets, suggests quantum mechanical effects can be harnessed to exert measurable mechanical influence on everyday-scale objects, with implications for sensing and quantum technology research.

WISeSat.Space has announced plans to deploy quantum-safe satellites, according to reports from WISeKey's space initiative. The company is positioning its satellite network to resist future quantum computing threats, which could break today's encryption. The move fits a broader push in the space and security sectors toward post-quantum cryptography for satellite communications and data protection.

Physicists are revisiting the idea of vacuum decay, in which a bubble of 'true vacuum' could expand at light speed and rewrite the laws of physics, erasing everything. The reassurance is that such a bubble is extremely unlikely to form near us, and if one existed elsewhere it would already be here, so there is nothing to worry about in practice.

A Spanish-language post is making the rounds urging people that now is the moment to study quantum mechanics, jokingly calling the subject dangerous. It comes tagged under books, mechanics and quantum, suggesting readers pick up a book on the topic. There is no broader news event attached, so the chatter appears to be light-hearted enthusiasm for physics reading rather than a breaking story.

The United Arab Emirates and the United States have held talks aimed at deepening cooperation on artificial intelligence, quantum computing and space. The discussions reflect a broader push by both countries to strengthen technology and research ties, with the Gulf state positioning itself as a growing hub for advanced technologies and space exploration partnerships.

Nature has published a piece on non-reciprocity in quantum technologies, examining how devices that allow signals to travel in only one direction can be built and used in quantum systems. The topic matters for quantum computing, communication and sensing, where controlling signal flow without adding noise remains a key engineering challenge. Discussion is largely technical, among physicists and quantum engineers.

IBM is pitching its Quantum Fab Anderon as the foundry of the quantum era, aiming to do for qubits what TSMC did for classical semiconductors: manufacture advanced quantum processors at scale for the wider industry. The facility is meant to solve one of quantum computing's biggest bottlenecks, the lack of reliable, high-volume chip production, and could position IBM as the central supplier as quantum hardware demand grows.

Quantum neural networks are reported to have outperformed classical machine learning models in the search for new physics, according to a newly published report. The claim suggests quantum computing approaches may now offer a practical advantage in analysing particle physics data, a milestone researchers have long sought. Details of the study, including which experiments or datasets were involved, remain limited in early coverage.

New quantum simulations indicate that different isotopes of lithium may influence biological reactions in distinct ways, a finding that challenges the long-standing assumption that isotopes of the same element behave identically in living systems. The research, reported by Phys.org, could have implications for how lithium-based drugs, such as those used to treat bipolar disorder, are formulated and understood at the molecular level.

The US Department of War has announced $350 million in funding for quantum computing initiatives. The investment is aimed at advancing quantum research and technology development, an area seen as strategically important for national security and military capabilities. The scale of the commitment has drawn attention given the growing global race over quantum technology.

A new peer-reviewed paper in the open-access journal Quantum examines composable logical gate error in approximate quantum error correction, reexamining how gates are implemented in Gottesman-Kitaev-Preskill codes. The announcement is drawing modest attention among quantum computing researchers, who follow Quantum for openly published work on error correction and fault-tolerant gate design.

Ethereum co-founder Vitalik Buterin warned that many security experts assume only elliptic curve cryptography is at risk from quantum computing, while hash functions and lattice-based schemes remain safe. He cautioned that AI-driven mathematical breakthroughs over the next two years could seriously undermine the concrete security of lattice-based cryptography, calling this a major concern for post-quantum defenses.

A Nature publication traces the full evolution of spin fractionalization, a quantum phenomenon in which an electron's spin and charge degrees of freedom behave as separate excitations. Researchers have followed how this process unfolds over time, offering a more complete picture of quasiparticle dynamics in correlated quantum materials.