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Category: computing

New magnesium alloy design improves stability and ion transport in solid-state batteries

The modern world runs on invisible energy. Hidden inside smartphones, laptops, and electric vehicles, are batteries that quietly power everyday life. As society becomes increasingly dependent on portable and sustainable energy, the development of compact and reliable battery technology has become one of the most important technological challenges of our time.

Lithium-ion batteries currently dominate the battery industry, but alternatives that could offer improved safety, lower cost, and higher energy density are being actively explored. Solid-state magnesium batteries have long been considered a promising next-generation energy technology. However, instability inside these batteries remains a major obstacle to their development.

Randomization can improve quantum computer performance in presence of noise

New research led by a graduating Ph.D. student in The University of New Mexico Department of Electrical and Computer Engineering has shown that randomization can improve quantum computer performance in the presence of noise.

Ph.D. student Leeseok Kim led the research under the advice of Assistant Professor Milad Marvian, with support from Changhao Yi, a former member of Marvian’s group. Their findings, titled “Faster Randomized Dynamical Decoupling,” are published in the journal Physical Review Letters and were presented at QSim 2025, an international conference in quantum simulation.

Quantum computers have the potential to solve certain problems faster than classical computers, with promising applications in areas such as simulation and discovery of new materials, optimization, and cryptography. However, building quantum computers that can solve practically relevant problems at scale remains difficult because they are susceptible to noise. Reducing noise more effectively is therefore a key challenge.

Anthropic’s restricted Claude Mythos model may be coming to Claude Code

Anthropic appears to be preparing for the public rollout of “Mythos,” which was announced in April as a restricted model that poses major security risks to private and public software.

On April 7, Anthropic announced the Mythos in early preview and called it a new frontier model with strikingly advanced capabilities in computer security tasks.

Anthropic said the Mythos model shows major improvements in code reasoning and autonomy, far above its current flagship model, Opus 4.7.

Scientists discover strange “narwhal” waves that trap light beyond known limits

Physicists at Peking University have uncovered a new way to confine light far beyond conventional limits — without relying on metals and their inherent energy dissipation. By formulating the singular dispersion equation, the team discovered narwhal-shaped wavefunctions that trap light at deep-subwavelength volumes in purely dielectric materials. The advance, dubbed singulonics, could pave the way for ultra-efficient photonic chips, new quantum technologies, and imaging tools with unprecedented resolution.

Superconducting vortices moonlight as controllable qubits, turning a disruption into a resource

Vortices in superconductors have so far been considered a disruption, as they can impair the superconducting properties. Researchers at the Karlsruhe Institute of Technology (KIT) have proved in experiments that magnetic vortices can be used as controllable quantum systems in certain materials. This means that a previously unwanted phenomenon is becoming a potential resource in quantum technologies, opening up new avenues for the development of quantum computers, highly sensitive sensor systems, and innovative approaches in materials research. These results are published in Nature.

Superconductors are materials that, under certain conditions, conduct electricity with zero resistance, entirely expelling magnetic fields. However, once the magnetic flux exceeds a critical threshold, magnetic fields start to penetrate into the material as tiny, quantized vortices. Such vortices have so far been considered unwanted disruptive factors, as they have an energy-draining effect, limiting the efficiency of superconducting systems.

‘Designer’ superconducting diamond: Researchers uncover path to multi-modality quantum chips

Diamond is extremely valuable to science and technology not for its sparkle but for its extreme hardness, high thermal conductivity, transparency to a large fraction of the light spectrum, and a host of other exceptional properties. Two decades ago, scientists discovered another advantage: under the right conditions, diamond can become a superconductor—allowing electricity to flow through it with zero resistance.

Until recently, though, they knew little about how that happens, limiting its use in high-tech applications.

Now researchers from the Pennsylvania State University, the University of Chicago Pritzker School of Molecular Engineering (PME), and the U.S. Department of Energy National Quantum Information Science Research Center Q-NEXT, led by Argonne National Laboratory, have uncovered new insights into the physics behind the phenomenon by carefully creating high-quality diamond, isolating electronic signatures from material noise, and revealing the fundamental mechanisms that had long remained hidden.

Orbital Data Centers: Power and Thermal Management for Scalable Architectures

Redwire’s latest whitepaper examines the challenges and opportunities associated with scaling orbital data centers (ODCs), with a focus on power generation and thermal management. ODCs could eventually surpass terrestrial data centers by leveraging abundant solar energy in space and avoiding Earth-based infrastructure limitations.

The whitepaper examines the scaling of power and thermal systems for ODCs within a single-spacecraft architecture and highlights how the future success of ODCs will depend on treating power and thermal management as primary architectural drivers from the earliest stages of design.

Drawing on decades of Redwire’s spaceflight heritage in deployable structures, high-power solar arrays, and thermal management systems, the in-depth study also highlights how existing flight-proven technologies can support practical and scalable orbital compute architectures.

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