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Physics World
Trends
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Scientists have built the world's most accurate atomic clock, according to a new report. The advance pushes precision timekeeping further than ever before, a field that underpins GPS, telecommunications and tests of fundamental physics. Researchers say such clocks can detect tiny changes in gravity and could help refine the definition of the second.
- 2SiMa.ai raises $150m at $1.45bn valuation for edge AI chipsβΌSiMa.ai raises $150m at a $1.45bn valuation for physical AI chips
Silicon Valley chip startup SiMa.ai has raised $150 million at a $1.45 billion valuation to develop processors for physical AI, targeting real-world applications such as robotics and autonomous systems. The funding round makes the company a new unicorn and signals continued investor appetite for specialised edge AI semiconductors despite a challenging market for chip startups.
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Ethiopian marathon runner Tigst Assefa won the Berlin Marathon despite suffering cramps that cost her a chance at breaking the world record. She held on to take the title on a course where she has set records before, but the late-race cramping prevented another record-setting time. Coverage is focused on how close she came despite the physical setback.
- 4Quantum Computer Operates in Space for the First TimeβΌFor The First Time, a Quantum Computer Has Operated in Space
A quantum computer has been operated in space for the first time, according to a report by ScienceAlert. The milestone suggests quantum computing technology can function in the harsh conditions of orbit, opening the door to space-based quantum research and potentially quantum communication networks between satellites. Details about the hardware involved and the mission responsible have not yet been widely reported.
- 5Ukraine Announces 'Army Of Robots' In Manhattan Project-Style AI Pushβ"Manhattan Project For Physical AI": Ukraine Announces 'Army Of Robots'
Ukraine has announced a large-scale programme to build an 'army of robots', described by officials as a 'Manhattan Project for physical AI'. The initiative aims to develop autonomous ground and aerial systems at scale for battlefield use, drawing comparisons to the World War Two atomic research effort. The announcement has drawn international attention given Ukraine's ongoing war with Russia and the growing role of drones and robotics in modern combat.
- 6Polymer-tuned perovskite delivers high-efficiency underwater solar cellsβΌPolymer-tuned perovskite creates high-efficiency underwater solar cells
Researchers report that a polymer-tuned perovskite material achieves high-efficiency solar cells capable of operating underwater, where conventional silicon cells perform poorly. The work, covered by Physics World, points to potential applications in underwater sensors and autonomous aquatic vehicles powered by light filtering through water, marking a notable step for perovskite photovoltaics.
- 7World's most accurate atomic clock passes a crucial testβΌWorldβs most accurate atomic clock passes a crucial test
The world's most accurate atomic clock has passed a crucial test, confirming the precision and reliability of the timekeeping technology. Atomic clocks underpin GPS, telecommunications and fundamental physics research, so any advance in accuracy is closely watched by scientists. The result is being reported as a milestone in precision measurement, though details of the test and the team behind it are not specified.
- 8Driverless Trucks Offer Lessons for Safe AI RoboticsβDriverless Trucks Show How to Keep AI Robots From Killing Us
Bloomberg reports that driverless trucks may provide a model for how autonomous AI systems can be deployed safely without harming people. The argument is that self-driving freight has operated under strict testing, regulation and limited-use conditions, offering a template for governing more advanced robots. The piece adds to ongoing debate about how to manage AI risks as automation expands into physical industries.
- 9Gecko Robotics CEO urges human control over physical AIβGecko Robotics CEO: Humans must remain in control of physical AI
Gecko Robotics' chief executive is arguing that humans must remain in control as artificial intelligence moves into the physical world through robots and industrial automation. The company builds robots used to inspect critical infrastructure such as bridges, power plants and pipelines. The intervention adds a robotics industry voice to the ongoing debate over how much autonomy should be granted to AI-driven machines in safety-critical settings.
- 10Nvidia settles trademark lawsuit over Modulus AI softwareβNvidia settles trademark lawsuit over 'Modulus' AI software
Nvidia has reached a settlement in a trademark lawsuit concerning its 'Modulus' AI software, according to a Reuters report. The dispute centred on Nvidia's use of the Modulus name for its framework for building physics-based machine learning models. Terms of the settlement were not disclosed in the report, and the company has not issued a detailed public statement on the outcome.
- 11Heavy water isotopes improve weather prediction accuracyβΌHeavy water isotopes make weather predictions more accurate
Researchers report that tracking heavy water isotopes can make weather forecasts more accurate. Isotope ratios in atmospheric water vapour carry information about where moisture originates and how it evaporates and condenses, so including them in forecast models could sharpen predictions of rainfall and storms. The finding comes from the physics publication Physics World and is drawing attention as a potential advance in meteorological modelling.
- 12CERN begins disconnecting the Large Hadron ColliderβMenurut saya dunia beruntung karena eropa masih peduli sama hal ini. CERN has begun disconnecting the Large Hadron Colli
CERN has started disconnecting the Large Hadron Collider, the world's largest particle accelerator near Geneva. The move is drawing reaction from science watchers, with one observer calling the world lucky that Europe still cares about fundamental research. Commenters see the shutdown as a significant moment for particle physics and are debating what comes next for European big science.
- 13Niantic Spatial's Spatial AI Now Powers Real-World RobotsβΌNiantic Spatial's Spatial AI Powers Real-World Robots
Niantic Spatial says its spatial AI technology is being applied to real-world robots, extending the company's geospatial mapping work beyond games and consumer apps into robotics. The move signals the firm's push into physical-world AI, where spatial understanding helps machines navigate and interact with their surroundings.
- 14Black Forest Labs releases Flux 3 Action robotics modelβFlux 3 Action: A 7B open-weight world action model for robots
Black Forest Labs has released Flux 3 Action, a 7-billion-parameter open-weight world action model designed for robots. The model is intended to let robots perceive, predict and act in physical environments, and its weights are publicly available. Discussion centres on what an open-weight entrant from a major image-model lab could mean for robotics research and development.
- 15AI computes record 9-loop physics amplitudeβΌAI beats human record, independently computes 9-loop physics amplitude | Most real-world calculations stop at 2, 3 loops | Inshorts
An AI system has reportedly set a record by independently computing a 9-loop physics amplitude, a Feynman diagram calculation far beyond typical human work. Most real-world perturbative calculations in quantum field theory stop at 2 or 3 loops due to their complexity. The result highlights how machine learning is beginning to automate some of the most demanding mathematical tasks in theoretical physics.
- 16Angel Robotics unveils PHAI-X1 wearable robot for physical AI researchβΌAngel Robotics launches βphai-x1β wearable robot platform for physical AI research
South Korean robotics company Angel Robotics has launched PHAI-X1, a wearable robot platform aimed at physical AI research. The system is intended to give researchers a hardware base for developing and testing AI that interacts with the physical world, such as exoskeleton control and human-assistance applications. Details on pricing and availability were not included in the initial announcement.
- 17Roboharm study tests whether robots refuse unsafe instructionsβΌRoboharm: Do frontier robot policies refuse unsafe instructions?
A project called Roboharm is asking whether frontier robot policies actually refuse unsafe instructions. The work examines how AI systems controlling robots respond to harmful commands, a safety question increasingly urgent as AI models are deployed in physical robotics. Discussion is focused on how well current safeguards carry over from language models to embodied systems.
- 18Inside Sandia's Z machine: nuclear science meets clean energyβΌInside Sandiaβs Z machine, where nuclear war meets clean energy
The Albuquerque Journal takes readers inside Sandia National Laboratories' Z machine in New Mexico, the world's most powerful pulsed-power facility. Originally built to study materials under nuclear weapons conditions, the device is now central to research on fusion energy, exploring how the same physics that powers warheads could one day deliver clean, abundant power.
- 19DIC backs fenceless robot startup Mantis RoboticsβΌDIC backs fenceless robot startup Mantis Robotics in physical AI push
Digital Internet Capital (DIC) has invested in Mantis Robotics, a startup building fenceless robots designed to work safely alongside people. The deal is framed as part of a broader push into physical AI, where artificial intelligence moves beyond software into machines operating in real-world workplaces such as factories and warehouses.
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A Grade 12 student has won a physics competition organized by CERN, the European nuclear research organization. The win, reported by Indian media, highlights the achievement of a school student in a competition run by one of the world's leading particle physics laboratories. Details about the student's identity, the competition's scope, and the prize remain limited.
- 21Gambhir puts player fitness first ahead of World Cup 2027βGambhir prioritises player fitness for ICC CWC27
India head coach Gautam Gambhir is making player fitness the central priority in the team's buildup to the 2027 ICC Cricket World Cup. The approach signals that selection and workload management will be tied closely to physical readiness, with the tournament in South Africa, Zimbabwe and Namibia seen as the long-term target for the squad's core players.
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Startup Midcentury has raised a $15 million seed round to build training data for physical AI systems such as robots and autonomous machines. The funding signals continued investor appetite for startups supplying high-quality data to the physical AI sector, where collecting real-world sensor and motion data is considered a key bottleneck for training capable models.
- 23Midcentury raises $15 million seed round for robotics AIβMidcentury emerged from stealth with a $15 million seed round to address the data bottleneck in robotics. Source: Ventur
Midcentury has come out of stealth with a $15 million seed round to tackle the data bottleneck holding back robotics and physical AI. The startup says progress in robotics is limited by how hard it is to gather the real-world training data that AI systems need. The funding was reported by Ventureburn, and it lands amid growing investor interest in physical AI and robotics data solutions.
- 24British startup trains AI on video game player inputsβπ° The Next Evolution of AI Is Learning From Your Dodgy Gaming Skills A British startup is shaping video game inputs into
A British startup is turning video game controller inputs into training data for AI models designed to navigate the physical world. The idea is that human gameplay, including mistakes and clumsy manoeuvring, offers rich examples of how people learn to control complex systems, which could help robots and other embodied AI improve. The approach is drawing attention as a cheaper alternative to real-world data collection.
- 25Cash hoarding in the UK points to demand for permissionless moneyβWhy cash hoarding in the UK proves the world still craves permissionless money
Cash hoarding is on the rise in the UK, and commentators argue it shows people still want money they can hold and use without asking permission from banks or authorities. The claim ties the surge in physical banknote holding to broader scepticism about financial institutions and renewed interest in alternative, permissionless forms of money.
- 26AMD reportedly nears $8.2 billion World Labs acquisitionβAMDβs reported $8.2 billion World Labs deal points to a bigger AI race: robotics and 3D simulation. What could the acqui
AMD is reported to be in an $8.2 billion deal to acquire World Labs, the AI startup focused on spatial intelligence and 3D simulation founded by Fei-Fei Li. Commentators say the move signals a broader race in AI beyond language models, targeting robotics and physical-world simulation, and raising questions about what it means for AMD's future chips and AI strategy.
- 27Uni-VLaT Brings Whole-Body Touch to Humanoid RobotsβΌUni-VLaT: Whole-Body Tactile Adaptation of VLA Policies for Humanoid Loco-Manipulation
Researchers unveiled Uni-VLaT, a framework that adapts vision-language-action policies with whole-body tactile sensing so humanoid robots can perform loco-manipulation β walking while handling objects. By combining touch feedback across the robot's body with vision-based policies, the system aims to make humanoids steadier and more capable in physical tasks. Details remain limited to the paper listing so far, with little public reaction or performance data yet available.
- 28AMD buys Fei-Fei Li's startup for $8.2 billionβΌAMD snaps up Fei-Fei Li's startup in $8.2 billion physical AI push
AMD has agreed to acquire the startup founded by AI pioneer Fei-Fei Li in a deal worth $8.2 billion, part of a broader push into physical AI technology. The acquisition signals AMD's ambition to expand beyond chips for data centers into AI systems that operate in the real world, intensifying competition with Nvidia and other rivals in the rapidly growing physical AI sector.
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Flechas de Vida, an archery programme for people affected by breast cancer, has published a book. The initiative, supported by World Archery, uses archery to help breast cancer patients and survivors with physical recovery and confidence. The book documents the programme's experience and is expected to reach a wider audience of practitioners and adaptivesport organisers worldwide.
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Industry commentary argues that physical AI β robotics and intelligent machines moving from pilots to real-world deployment β still lacks a repeatable, reliable path to production. Writers in the manufacturing press say companies need standardized processes to take AI-powered systems out of demos and into factories at scale, echoing broader debate about how fast embodied AI can be industrialized.
- 31ExhVerse Extends Access to Temporary Art Shows OnlineβExhVerse Extends Access to Temporary Shows With an Online Exhibition
ExhVerse has extended access to temporary art exhibitions by putting them online, allowing audiences to view shows that would otherwise close after a limited run. The move points to a broader effort in the art world to make time-limited exhibitions available to viewers beyond their physical venues and opening dates.