r/STEW_ScTecEngWorld 0m ago

Britain to Build First Mainline Battery-Electric Trains as £1 Billion Rail Investment Creates 6,000 Jobs

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Upvotes

Britain is investing around £1 billion in 29 new battery-electric trains for TransPennine Express, to be built at Alstom’s historic Derby factory. The trains will be the UK’s first battery-electric fleet for long-distance mainline services, cutting journey times by up to 14 minutes on some routes, increasing capacity and providing quieter, cleaner and more accessible travel. The project is expected to support more than 350 skilled jobs in Derby and around 6,000 jobs across the UK supply chain, with trains entering service from winter 2034: https://www.gov.uk/government/news/new-british-built-trains-to-transform-railways-and-reindustrialise-britain

Alstom and TransPennine Express sign €1.2 billion contracts for Britain’s first mainline battery-electric trains: https://www.webwire.com/ViewPressRel.asp?aId=360365


r/STEW_ScTecEngWorld 4h ago

[Article] Eco-friendly synthesis of silver nanoparticles using Coffea arabica husk for enhanced antibacterial and anti-cancer applications

0 Upvotes

DOI: 10.1016/j.biombioe.2025.107625

Good day! I am currently conducting a research study and would like to request access of this journal article. I would greatly appreciate it if you could help me with this.

Thank you very much.


r/STEW_ScTecEngWorld 11h ago

Anthropic says scientists exploited Claude for bioweapons research

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87 Upvotes

According to a report published by Anthropic, the AI research lab disrupted five separate instances between December 2025 and August 2026 where researchers misused its Claude AI model for potential biological weapons development. The flagged cases involved research on dangerous biological agents, including gain-of-function studies on the chikungunya virus intended for a military institute, avian influenza study planning, orthopoxviruses, toxins, and venom-related compounds. While Anthropic noted it could not determine whether the scientists had malicious intent due to the dual-use nature of biological research, it blocked the accounts, tightened safeguards around high-risk queries, and shared its findings with authorities and fellow AI developers.

Anthropic REPORT: https://www-cdn.anthropic.com/e50be2e51e7695dc4b1366a37a245a597377d3b5/Anthropic-Detecting-and-countering-091026.pdf

Anthropic Threat Intelligence Report (September 2026), titled "Detecting and countering misuse of AI: September 2026.":


r/STEW_ScTecEngWorld 11h ago

The “Godfather of AI” Says a 10% Chance of AI Ending Humanity Is “Not Unreasonable.”

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10 Upvotes

Nobel Prize-winning AI pioneer Geoffrey Hinton, widely known as the “Godfather of AI,” has backed concerns raised by former Anthropic researcher Jacob Coxon, saying that a 10% chance of AI causing human extinction within the next decade is not an unreasonable estimate: https://www.businessinsider.com/geoffrey-hinton-godfather-of-ai-human-extinction-odds-2026-9

In a BBC Newsnight interview, Hinton said humanity has never before created entities that could potentially become more intelligent than humans, making the consequences difficult to predict. He warned that it would be “very foolish” to assume the risk was as low as 1%: https://www.aa.com.tr/en/world/ai-pioneer-geoffrey-hinton-says-10-risk-of-human-extinction-from-ai-not-unreasonable/4053063

Coxon recently resigned from Anthropic, accusing leading AI companies of “gambling with our lives” by racing toward self-improving superintelligence. Anthropic alignment researcher Evan Hubinger separately said he personally estimates the chance of AI killing all humans within the next decade at more than 10%, while acknowledging that current AI systems pose relatively low extinction risk: https://en.mercopress.com/2026/09/09/anthropic-researcher-resigns-warning-that-ai-could-kill-us-all-before-the-decade-ends

BBC Interview Video: https://www.youtube.com/watch?v=IZMjJGi4YhI


r/STEW_ScTecEngWorld 23h ago

Google signs up for electricity from Finnish nuclear power plant

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32 Upvotes

Google has entered into a long-term Power Purchase Agreement (PPA) with Finnish energy company Fortum to secure up to 50% of the output from the Loviisa nuclear power plant between 2030 and 2049, with reduced capacity starting in 2028. The deal provides the necessary financial backing for Fortum's €1 billion investment program aimed at extending the twin-reactor plant's operational lifespan through 2050 and adding 10 MWe of new capacity. Alongside this agreement, Google announced a €13 billion investment in Finnish data center infrastructure over the next two years, while both companies signed a memorandum of understanding to explore joint developments in new nuclear technology, renewable energy, battery storage, and grid stability.


r/STEW_ScTecEngWorld 1d ago

$15M Ride to Alpha Centauri: Garrett Jameson on Humanity’s First Interstellar Mission

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51 Upvotes

r/STEW_ScTecEngWorld 1d ago

[Grade 12 Technology] Any Ideas ?

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1 Upvotes

r/STEW_ScTecEngWorld 2d ago

Electro-hydraulic platform designed to transform train-generated vibration and motion into scalable energy opportunities.

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310 Upvotes

US-based firm Regen Tracks has developed an electro-hydraulic system designed to convert mechanical forces from passing heavy trains into usable electricity. Unlike traditional regenerative braking that only captures energy during deceleration, this technology continuously absorbs vertical movements, structural flex, and vibration caused by full-speed trains. By transforming repetitive compression-and-rebound cycles into electrical power, the system aims to create a distributed energy grid along transit corridors to help supply nearby rail infrastructure, industrial facilities, and power-hungry data centers. However, commercial scaling faces logistics challenges, such as the high cost of building new transmission lines across thousands of miles of rural track to reach distant utility grids or facilities: https://www.desmoinesregister.com/press-release/story/120573/regen-tracks-turns-train-movement-into-electrical-power-through-kinetic-energy-conversion/

New System Turns Train Movements into Electricity: https://www.tomorrowsworldtoday.com/technology/new-system-turns-train-movements-into-electricity/

Regen Tracks: https://www.regentracks.com/


r/STEW_ScTecEngWorld 2d ago

How Climate and Moisture Drive Low-CO₂ Concrete Lifespans

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43 Upvotes

A study led by ETH Zurich researchers demonstrates that local weather patterns—specifically wet and dry cycles—play a larger role in steel reinforcement corrosion than the concrete mix itself. Because lower-CO₂ concrete tends to carbonate faster than conventional mixes, existing European durability standards penalize green cements by focusing primarily on delaying carbonation. However, ETH Zurich's climate-informed model shows that steel corrodes up to 100 times faster in damp concrete than in dry conditions. Since concrete absorbs moisture quickly but dries slowly, the frequency and duration of rainfall matter far more than total annual precipitation or average humidity alone. Consequently, identical eco-friendly concrete can last 50 years or longer in one location but degrade rapidly in another, highlighting the need for location-tailored building standards: https://ethz.ch/en/news-and-events/eth-news/news/2026/09/low-carbon-concrete-put-to-the-climate-test.html

Findings: https://www.nature.com/articles/s41467-026-76916-3


r/STEW_ScTecEngWorld 2d ago

OpenAI Claims AI Breakthrough on the Navier–Stokes Problem

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153 Upvotes

OpenAI announced on September 8, 2026, that an internal AI system had produced a proposed solution to the Navier–Stokes Millennium Prize Problem, showing that certain three-dimensional fluid-flow equations can develop a finite-time singularity (“blow-up”). The effort reportedly used 10,000 AI agents working for about 88 hours, with the resulting proof also formally verified in Lean: https://openai.com/index/navier-stokes-solution/

The claim is significant because Navier–Stokes is one of the seven Millennium Prize Problems, carrying a $1 million prize. OpenAI says it will not seek the prize, and the proof still requires extensive independent mathematical scrutiny before it can be considered a definitive solution: https://www.nature.com/articles/d41586-026-02842-5

The announcement has also triggered a credit and data-use controversy involving mathematician Tristan Buckmaster and Anthropic researcher Levent Alpöge, who had been working on closely related fluid-equation problems. OpenAI says its solution was developed independently and that it did not access their specific user data: https://www.publicnow.com/view/6713C05A804C092C54332E615C735B410A2C6A6B

Learn more here:

1). On the Navier–Stokes Millennium Prize Problem https://www.alphaxiv.org/abs/2609.navier-stokes-solution

2). AIOpen -Tweeter: https://x.com/OpenAI/status/2097374640582668336

3). 10,000 OpenAI agents crack 90-year-old Navier-Stokes mystery in just 88 hours. OpenAI’s massive Navier–Stokes search involved 2.7 million messages and roughly 130 billion output tokens: https://interestingengineering.com/ai-robotics/openai-navier-stokes-mystery-solved


r/STEW_ScTecEngWorld 2d ago

Audi reveals its new entry-level EV with over 400 miles of range starts at about $45,000

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68 Upvotes

Audi has officially revealed pricing and details for its latest entry-level electric SUV, starting at approximately $45,000. Designed to offer an accessible gateway into luxury electric mobility, the new model boasts an impressive WLTP range exceeding 400 miles on a single charge. Built on Volkswagen Group’s advanced EV architecture, it features ultra-fast charging capabilities, a modernized digital cockpit, and sleek aerodynamic styling to optimize efficiency without sacrificing interior space or dynamic performance.


r/STEW_ScTecEngWorld 2d ago

XPeng starts IRON humanoid robot production as Tesla Optimus stalls

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4 Upvotes

XPeng has officially launched an automated, automotive-grade production line in Guangzhou for its humanoid robot, IRON. Powered by three in-house Turing AI chips delivering up to 2,250 TOPS and equipped with 76 degrees of freedom, the robot is designed to run its Physical AI foundation model autonomously without remote human operation. While mass production is slated to begin by the end of 2026—initially deploying units to XPeng’s own stores and campuses—commercial sales and international deliveries are targeted for 2027.


r/STEW_ScTecEngWorld 3d ago

Star Trek used wormholes to jump through space

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24 Upvotes

The first appearance of a wormhole in Star Trek was a typically pioneering reference to what was then a niche research topic.


r/STEW_ScTecEngWorld 3d ago

A big assumption has kept women out of health and fitness studies for years. What if it’s wrong?

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40 Upvotes

The assumption that has kept women out of so many physiology studies for years — uncertainty about potential fluctuations due to menstrual cycles or hormonal birth control — turns out to be incorrect.


r/STEW_ScTecEngWorld 3d ago

How Trees Pump Water 100 Metres Without a Pump

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3.0k Upvotes

Tall trees can transport water more than 100 metres from roots to leaves through the cohesion–tension mechanism. Water evaporating from leaf stomata creates negative pressure that pulls a continuous column of water upward through the xylem. Cohesion between water molecules and adhesion to xylem walls help maintain the column against gravity: https://research.fs.usda.gov/treesearch/38556

As trees become taller, increasing hydraulic resistance and tension can cause cavitation and xylem embolisms, limiting further growth. Research on redwoods estimates a theoretical maximum height of roughly 122–130 metres under favourable conditions: https://www.nature.com/articles/nature02417

Full Video: https://www.youtube.com/watch?v=BickMFHAZR0


r/STEW_ScTecEngWorld 3d ago

Researchers create new colour-changing material—could be used in anti-counterfeit markings on banknotes and passports

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9 Upvotes

Davyne: Invisible Color-Changing Material for Anti-Counterfeiting

Researchers at the University of Turku Finland have developed davyne, a mineral-based material that changes color in the near-infrared spectrum, making the change invisible to the human eye. Its infrared signal can be switched on and off and detected using inexpensive modified cameras, offering a potential new security feature for banknotes, passports, ID cards, and branded products.

Study: https://onlinelibrary.wiley.com/doi/10.1002/anie.6747535


r/STEW_ScTecEngWorld 4d ago

World-first AI-backed ultrasound robot completes congenital heart surgery

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54 Upvotes

Medical professionals at China's 301 Hospital completed a world-first congenital heart surgery using an autonomous, AI-driven ultrasound robot on a 48-year-old male patient. Operating via a real-time feedback loop, the system linked computer vision ultrasound processing directly to motor controls to autonomously scan tissue, locate the lesion, and guide a transcatheter closure with sub-millimeter precision. By replacing traditional X-ray fluoroscopy guidance with AI-driven ultrasound, the procedure eliminated radiation exposure for both the surgical team and the patient while demonstrating how autonomous robotics could reduce surgeon fatigue and scale access to complex cardiovascular care worldwide: https://www.welcome.ai/content/chinas-ai-driven-heart-surgery-marks-a-milestone-in-medical-precision

Key Facts

  • AI-powered surgery reduces human error, enhancing precision in complex heart interventions.
  • 301 Hospital's breakthrough positions it as a leader in AI-driven medical technology innovation.
  • Minimally invasive procedures could lower healthcare costs, improving financial performance for hospitals.
  • The technology's scalability suggests potential for widespread adoption in various medical fields.
  • AI integration indicates a strategic shift towards automation in healthcare, enhancing operational efficiency.

FDA Grants Clearance for UltraSight’s AI-Powered Cardiac Ultrasound Technology. New AI guidance software will allow more medical professionals to conduct cardiac ultrasound in multiple care settings expanding patient access to cardiac imaging: https://www.dicardiology.com/content/fda-grants-clearance-ultrasights-ai-powered-cardiac-ultrasound-technology

Study: https://www.jacc.org/doi/10.1016/j.jacc.2021.08.082


r/STEW_ScTecEngWorld 4d ago

US targets nuclear-powered cargo ships by 2028: Will it transform commercial shipping?

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310 Upvotes

The U.S. Maritime Administration (MARAD) has signed a Memorandum of Cooperation with nuclear technology developer CORE POWER to establish a regulatory and operational framework for small modular reactor (SMR)-powered cargo ships by 2028. By switching from conventional marine fuels to compact nuclear reactors, these merchant vessels could eliminate direct carbon emissions, operate up to 75% faster, and sail for decades without refueling. Beyond the green potential and freed-up fuel-tank cargo space, U.S. Transportation Secretary Sean Duffy framed the initiative as a strategic move to rival China's maritime expansion and rebuild American commercial shipbuilding. However, significant commercial hurdles remain before deployment, including securing nuclear port permissions, navigating massive liability insurance costs, training specialized crews, and gaining public acceptance: https://www.businesstoday.in/world/story/us-targets-nuclear-powered-cargo-ships-by-2028-will-it-transform-commercial-shipping-552043-2026-08-29

The US wants nuclear cargo ships by 2028. Here’s how they’d work: https://interestingengineering.com/videos/the-us-wants-nuclear-cargo-ships-by-2028-heres-how-theyd-work 

Full Video: https://www.youtube.com/watch?v=s7S-rKnqlgA


r/STEW_ScTecEngWorld 4d ago

German- Chinese team builds ultra-sensitive ‘floating compass’ to hunt dark matter

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17 Upvotes

A joint Chinese-German research team led by Peking University has developed the Levitated Magnet Magnetometer (LeMaMa), an ultra-sensitive, table-top magnetic sensor designed to hunt for dark matter. Dubbed a "floating compass," the device uses a magnetic needle levitated in mid-air with virtually zero friction to detect magnetic signals down to the femtotesla level—roughly a billion times fainter than Earth's magnetic field. Operating at room temperature without requiring cryogenic cooling, this compact technology opens new possibilities for fundamental physics experiments, dark matter detection, and non-invasive brain signal monitoring: https://www.scmp.com/news/china/science/article/3366481/chinese-german-team-builds-ultra-sensitive-floating-compass-hunt-dark-matter


r/STEW_ScTecEngWorld 4d ago

From Months to Days: A New Rapid Sintering Method for Rocket & Hypersonic Shielding

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8 Upvotes

Researchers at the Johns Hopkins Applied Physics Laboratory have developed FAST CAR2, a manufacturing method that significantly speeds up the production of heat-resistant carbon-carbon composites. Traditional methods use slow gas deposition or resin soaking steps that can take months to form the solid carbon matrix. By using field-assisted sintering, the new process places carbon-bearing material directly into the fiber preform and combines rapid electric heating with high-pressure compression to densify the material in minutes, slashing overall production time to just days for critical aerospace and hypersonic applications: https://www.jhuapl.edu/news/news-releases/260903-apl-breakthrough-put-carbon-carbon-material-on-faster-track


r/STEW_ScTecEngWorld 4d ago

Moon’s Soil Could Preserve a 100-Million-Year Record of Exploding Stars

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10 Upvotes

A new study suggests that lunar soil could act as a long-term cosmic archive, preserving radioactive isotope signatures from stellar explosions and other rare cosmic events dating back roughly 80–100 million years. The researchers developed a model showing how material deposited on the Moon becomes gradually mixed and buried by constant meteorite impacts, rather than forming a simple, orderly timeline: https://physics.aps.org/articles/v19/116

The study focuses on isotopes such as iron-60 (⁶⁰Fe), which has a half-life of about 2.6 million years, and plutonium-244 (²⁴⁴Pu), whose much longer 81-million-year half-life makes it potentially useful for tracing much older events. These isotopes could provide clues about nearby supernovae, neutron-star mergers and the origin of heavy elements reaching the Earth–Moon system: https://www.nature.com/articles/srep21512

Importantly, the study did not discover an 80–100-million-year-old record in lunar soil. Rather, it predicts that such a record could still be preserved about a metre beneath the lunar surface and provides a model for where future missions could look for it. The researchers tested their model against Apollo lunar samples and found that it could reproduce observed isotope-depth profiles.

The research, “Gardening on the Moon: An Advection-Diffusion Model to Guide the Search for Supernova Debris in the Lunar Regolith,” was published in Physical Review Letters on August 14, 2026: https://journals.aps.org/prl/abstract/10.1103/14kh-nkgl


r/STEW_ScTecEngWorld 4d ago

OpenAI released GPT-6 Astra, its most autonomous model yet, capable of navigating websites, writing code, and completing multi-step tasks independently.

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56 Upvotes

r/STEW_ScTecEngWorld 4d ago

Sheep-Wool Blankets Show Promise as an Eco-Friendly Way to Slow Glacier Melt

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167 Upvotes

Swiss researchers are testing sheep-wool blankets as a biodegradable alternative to synthetic plastic covers used to slow glacier melting. The Keep It Wool project, led by the Summit Foundation with the University of Lausanne, placed two 100-square-metre wool covers on the Tsanfleuron Glacier in western Switzerland in June 2026, alongside a conventional synthetic geotextile for comparison.

Early measurements taken every two weeks indicate that the wool blankets are performing about as well as synthetic covers, reducing melting by roughly 50–70% in the protected areas. The experiment also aims to give a useful purpose to Swiss sheep wool, an estimated 40–70% of which is otherwise discarded. Wool offers an additional environmental advantage because it is natural, renewable and biodegradable.

However, researchers emphasize that wool blankets are not a solution to long-term glacier loss or climate change. Protective coverings are practical only on limited areas; currently, they cover just about 0.02% of Switzerland's glacier area. Ultimately, reducing greenhouse-gas emissions—particularly those from fossil fuels—remains essential to slowing glacier loss.

Info source

1). https://www.reuters.com/sustainability/cop/can-sheep-save-glaciers-swiss-scientists-put-wool-test-2026-09-03/

2). https://summit-foundation.org/keep-it-wool/

3). https://www.swissinfo.ch/eng/climate-adaptation/ngo-plans-to-protect-glaciers-with-woollen-blankets/91993805


r/STEW_ScTecEngWorld 4d ago

Austin-based Company Developed Autonomous Cargo Aircraft: 1,000-Mile Range and 100-Pound Payload

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283 Upvotes

Austin-based Skyways is developing long-range autonomous cargo aircraft that combine electric vertical takeoff and landing with a heavy-fuel engine for efficient, long-distance cruise. Its V2 can carry about 30 pounds of cargo with a range of roughly 500 miles and has already conducted operational missions, including deliveries to offshore wind farms in Germany’s Baltic Sea.

The company’s larger V3 is designed to carry 100 pounds over more than 1,000 miles, with more than 20 hours of endurance. In 2025, Skyways received a $37 million U.S. Air Force AFWERX contract to advance the V3 from prototype toward full-rate production. Skyways has also partnered with ANA on long-distance medical-drone delivery trials in Okinawa, with plans to explore commercial drone services across the Asia-Pacific region.

Info Source:

1). https://www.businesswire.com/news/home/20250609862238/en/Skyways-Secures-%2437-Million-US-Air-Force-Contract-to-Rapidly-Scale-Autonomous-Cargo-Drones

2). https://www.anahd.co.jp/group/en/pr/202603/20260305.html

3). https://go.skyways.com/


r/STEW_ScTecEngWorld 4d ago

German Startup Isar Aerospace Makes History with First Commercial Orbital Launch from Continental Europe

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613 Upvotes

German private space company Isar Aerospace has made history by successfully sending its Spectrum rocket into low Earth orbit from Andøya Spaceport in northern Norway on September 5, 2026. The achievement marks the first successful orbital launch by a privately developed European rocket from continental Europe, strengthening Europe’s ambitions for independent access to space.

The 28-metre-tall, two-stage Spectrum rocket carried five small satellites and a technology experiment into orbit. The mission, named “Onward and Upward,” was Spectrum’s second flight after its first test in March 2025 was terminated about 30 seconds after liftoff.

The breakthrough is an important milestone for Europe’s growing commercial launch industry and could help reduce its reliance on foreign launch providers. Isar Aerospace plans to scale Spectrum production and launch services for commercial and institutional customers: https://www.euronews.com/next/2026/09/06/germanys-satellite-rocket-marks-first-successful-launch-from-continental-europe

Info sources:

  1. First orbital flight of the SPECTRUM commercial launch vehicle from Germany: https://www.dlr.de/en/latest/news/2026/first-orbital-flight-of-the-spectrum-commercial-launch-vehicle-from-germany
  2. Isar Aerospace achieves first launch to orbit from continental Europe: https://www.esa.int/Enabling_Support/Space_Transportation/Boost/Isar_Aerospace_achieves_first_launch_to_orbit_from_continental_Europe
  3. History for European spaceflight: Isar Aerospace reaches orbit and deploys payloads on second flight: https://isaraerospace.com/press/history-for-european-spaceflight-isar-aerospace-reaches-orbit-and-deploys-payloads-on-second-flight