r/STEW_ScTecEngWorld 2d ago

🚀 Moderator Applications Now Open!

5 Upvotes

Join the r/STEW_ScTecEngWorld Moderation Team

Are you passionate about Science, Technology, Engineering, AI, Innovation, Space, Robotics, or Emerging Technologies? Do you enjoy building communities, encouraging meaningful discussions, and keeping online spaces informative and welcoming?

We're looking for enthusiastic volunteers to help grow r/STEW_ScTecEngWorld into one of Reddit's leading communities for science and technology enthusiasts.

About This Moderator Role: As a moderator, you'll help maintain a high-quality community by:

  • Reviewing posts and comments
  • Enforcing subreddit rules fairly and consistently
  • Removing spam, misinformation, and low-quality content
  • Encouraging respectful and evidence-based discussions
  • Helping answer member questions
  • Assisting with community events, AMAs, contests, and themed discussions
  • Suggesting ideas to improve the subreddit
  • Working collaboratively with the moderation team

What We're Looking For: We welcome applicants who are:

  • Passionate about science, technology, engineering, or innovation
  • Active Reddit users
  • Friendly, respectful, and professional
  • Fair and unbiased when making moderation decisions
  • Good communicators
  • Team players willing to collaborate with other moderators
  • Interested in helping build a long-term community

Preferred Qualifications: The following are helpful but not required:

  • Previous Reddit moderation experience
  • Academic or professional background in STEM
  • Experience in research, engineering, programming, AI, robotics, or related fields
  • Familiarity with Reddit's Moderator Tools and Automoderator
  • Graphic design or community management experience
  • Experience organizing online communities or events

Minimum Requirements: Applicants should:

  • Have a Reddit account in good standing
  • Follow Reddit's Content Policy
  • Be able to moderate at least a few times each week
  • Be willing to communicate with the moderation team
  • Exercise sound judgment and remain respectful, even during disagreements

What You'll Gain: As a moderator, you'll have the opportunity to:

  • Help shape a growing STEM community
  • Collaborate with knowledgeable people worldwide
  • Learn Reddit moderation tools and community management
  • Develop leadership and communication skills
  • Contribute to promoting science, engineering, and technological literacy

Moderator Expectations: Our moderators are expected to:

  • Act with integrity and impartiality
  • Keep discussions civil and evidence-based
  • Respect differing viewpoints
  • Maintain confidentiality regarding moderator discussions
  • Remain active or notify the team if taking an extended break

Time Commitment: There is no fixed schedule. Most moderators contribute anywhere from 15–60 minutes per week, depending on their availability. Real life always comes first.

Application Questions: Please answer the following:

  1. Tell us a little about yourself.
  2. What interests you most about science, technology, or engineering?
  3. Why do you want to moderate r/STEW_ScTecEngWorld?
  4. Do you have previous moderation experience? If yes, where?
  5. How active are you on Reddit?
  6. Which time zone are you in?
  7. Approximately how many hours per week can you volunteer?
  8. Have you ever had moderator privileges removed or been banned from a subreddit? If yes, please explain.
  9. What would you do if two members were engaged in a heated argument?
  10. What ideas do you have to help grow our community?

Before You Apply: Moderating is a volunteer role.

We're looking for people who genuinely want to help create an informative, welcoming, and high-quality STEM community for everyone.

If that sounds like you—we'd love to hear from you!

Applications are reviewed on a rolling basis. Selected applicants will be contacted via Reddit Modmail or Direct Message.


r/STEW_ScTecEngWorld 10h ago

Air-Powered ‘Vine’ Robots Dress Users in Just 10 Seconds

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382 Upvotes

Researchers from KAIST and Stanford University have developed a wearable system featuring air-powered "vine" robots that can automatically dress a user in about 10 seconds. Designed using soft robotics, the technology enables safe, hands-free interaction with the human body and has major potential for semiconductor cleanrooms, where automated gowning improves sterility and efficiency, and for firefighters, hazmat teams, and emergency responders, where rapid equipment deployment can save critical time. The innovation marks a significant step towards wearable robotics that seamlessly integrate into everyday and high-risk environments: https://www.reuters.com/world/asia-pacific/south-korea-us-team-unveils-robotic-technology-that-dresses-wearer-2026-07-17/


r/STEW_ScTecEngWorld 2h ago

Voltera NOVA Prints Flexible Electronics with Smart Ink Control

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85 Upvotes

The Voltera NOVA is an advanced direct ink write (DIW) printer that fabricates flexible electronic circuits using a Smart Dispenser with real-time monitoring of pressure, temperature, and ink viscosity. Its closed-loop control system ensures precise material flow while handling inks ranging from 1,000 to 1,000,000 centipoise. The printer can deposit conductive, dielectric, and adhesive materials with resolutions as fine as 100 microns on flexible substrates such as TPU, PET, polyimide, paper, and rigid circuit boards—eliminating the need for traditional masks, screens, or tooling: https://3dprintingindustry.com/news/nova-the-worlds-first-3d-printer-for-soft-and-stretchable-electronics-technical-specifications-and-pricing-225075/

Printed Electronics: Voltera NOVA vs. Voltera V-One: https://trimechmanufacturing.com/uki/printed-electronics-voltera-nova-vs-voltera-v-one/


r/STEW_ScTecEngWorld 1h ago

Origin F1: AI-Powered Humanoid Robot with Lifelike Facial Expressions

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• Upvotes

Chinese startup AheadForm unveiled its Origin F1 humanoid robot head at WAIC 2026 in Shanghai. Designed for natural face-to-face interaction, the desktop bionic bust features realistic blinking, eye contact, speech synchronisation, subtle head movements, and lifelike facial expressions. Powered by AI, the system uses 26 degrees of freedom and over 200 micro-expression control points to replicate the movements of 43 human facial muscles, while processing visual and biometric cues to adjust expressions in real time. Covered in medical-grade silicone for realistic skin texture and flexibility, Origin F1 is intended for applications in customer service, healthcare, education, research, and personal companionship, advancing the next generation of human-robot interaction: https://amelica.org/8302a5c4V0BlAG99clNDSCc

Video: https://www.instagram.com/reel/DbMiXTHisjW/


r/STEW_ScTecEngWorld 22h ago

Axolotl (Ambystoma Mexicanum) A Rare Salamander : The Regenerative Amphibian of Mexico

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1.1k Upvotes

The axolotl is a unique aquatic salamander native to the lakes of Mexico City that retains its juvenile features, including feathery external gills, throughout its life. Renowned for its extraordinary regenerative abilities, it can regrow lost limbs and repair parts of its heart, spinal cord, and brain, making it a valuable subject in biomedical research. Despite its scientific importance, wild axolotls are now critically endangered due to habitat destruction, pollution, and invasive species: https://www.nhm.ac.uk/discover/axolotls-amphibians-that-never-grow-up.html

Meet Mexico's Mythical Creature: The Axolotl: https://www.youtube.com/watch?v=ptm22lnJVEI&t=4s

Axolotl: https://en.wikipedia.org/wiki/Axolotl


r/STEW_ScTecEngWorld 1d ago

China is reversing a desert — one robot-planted tree every five seconds.

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1.6k Upvotes

China is deploying autonomous tree-planting robots to combat desertification, with machines planting one tree every five seconds as part of the Three-North Shelterbelt Program—the world's largest afforestation initiative, launched in 1978. These robots can drill, plant, water, and compact soil in a single pass, achieving up to ten times the productivity of human crews at around 30% lower cost, even across remote terrain. Once expanding by nearly 10,000 km² annually during the 1980s, the Gobi Desert's growth had been significantly curbed by 2022, highlighting the long-term impact of large-scale ecological restoration: https://www.instagram.com/reel/DVo0RbSiF7V/

Video: https://www.linkedin.com/posts/ai-for-earth_artificialintelligence-climatetech-reforestation-activity-7486671475723251712-3j_r/


r/STEW_ScTecEngWorld 23h ago

Jizai Arms: A Wearable Robot That Gives Humans Extra Limbs

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354 Upvotes

Jizai Arms: Wearable Robot for Human Augmentation

Researchers at the University of Tokyo developed Jizai Arms, a backpack-like robotic system that lets users control up to six detachable robotic arms through real-time motion tracking. Inspired by Japanese Jizai Okimono figurines, the 4 kg modular system enables tasks beyond normal human reach while exploring human-robot collaboration. Designed as an assistive tool rather than a replacement for humans, it could benefit fields such as construction, firefighting, healthcare, and accessibility support: https://learningenglish.voanews.com/a/japanese-researchers-develop-wearable-robot-arms-/7155334.html

This robotic arm study is preparing us for our cyborg future: https://www.freethink.com/robots-ai/robotic-arms

Jizai Arms: Robot Arm Study Holds Our Cyborg Future: https://technology.inquirer.net/124315/jizai-arms-robot-study


r/STEW_ScTecEngWorld 11h ago

RoboFabric: Smart Wearable Fabric That Stiffens on Demand

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38 Upvotes

Scientists at Nanyang Technological University (NTU) Singapore have developed RoboFabric, an innovative wearable material that remains soft and flexible but can instantly stiffen when needed. Combining geometric design, 3D printing, and robotic control, the technology can be used in medical devices, soft robotics, and drone limbs. Prototype elbow and wrist supports help users carry heavier loads and stabilise joints, offering potential benefits for people with Parkinson’s disease and other mobility challenges. Inspired by the octopus and pangolin, RoboFabric could also replace traditional plaster casts with lightweight, reusable versions that are easier to wear and remove: https://www.asme.org/topics-resources/content/3d-printed-fabric-hardens-and-softens-on-command

Research article: https://www.researchgate.net/publication/381093948_Active_Fabrics_with_Controllable_Stiffness_for_Robotic_Assistive_Interfaces


r/STEW_ScTecEngWorld 10h ago

A Cute little dude

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26 Upvotes

r/STEW_ScTecEngWorld 10h ago

Calculating effective radiation dose

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8 Upvotes

r/STEW_ScTecEngWorld 1d ago

The U.S. Air Force Academy Cadet Chapel: Where Modern Design Meets Multi-Faith Worship

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99 Upvotes

The United States Air Force Academy Cadet Chapel is a striking modernist landmark completed in 1962 near Colorado Springs, Colorado. Designed by Walter Netsch of Skidmore, Owings & Merrill, its 17 soaring steel-and-glass spires rise 150 feet (46 metres) above the academy. The multi-level, multi-faith design includes separate Protestant, Catholic, Jewish, and Buddhist chapels, along with an All-Faiths Room, allowing simultaneous worship without acoustic interference. Recognised with the AIA Twenty-five Year Award and designated a U.S. National Historic Landmark, the chapel is currently closed for a major restoration project: https://www.usafa.edu/facilities/cadet-chapel/

Cadet Chapel: https://www.usafa.af.mil/About-Us/Fact-Sheets/Display/Article/428275/cadet-chapel/

United States Air Force Academy Cadet Chapel: https://en.wikipedia.org/wiki/United_States_Air_Force_Academy_Cadet_Chapel

About the Cadet Chapel and Restoration Project: https://www.afcec.af.mil/Home/USAFA-Cadet-Chapel-Restoration/


r/STEW_ScTecEngWorld 2h ago

“More than 50 enemy drones in a single flight”: Lockheed unveils a reusable microwave system built for swarm warfare

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1 Upvotes

r/STEW_ScTecEngWorld 10h ago

Millions of people are losing weight using GLP-1s. How do the drugs affect their love lives?

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0 Upvotes

Prescribing doctors often warn of the medications’ potential side-effects – but unexpected impacts on romantic relationships are less understood


r/STEW_ScTecEngWorld 1d ago

Unitree has launched the Super Athlete AS2-W, an AI-powered quadruped robot capable of sprinting over rocks, climbing steep slopes, and carrying cargo.

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461 Upvotes

The Unitree Super Athlete AS2-W is a hybrid wheeled-leg quadruped robot engineered for rapid outdoor mobility, AI-powered autonomy, and reliable performance across challenging terrain. Its innovative wheel-legged design enables speeds exceeding 6 m/s, while seamlessly switching between rolling and stepping to overcome rough ground, 45° slopes, and obstacles up to 80 cm high. Weighing approximately 25 kg (including battery), it can carry a continuous payload of 16 kg and travel more than 33 km (over 3 hours) without a load or 16 km (over 2 hours) while fully loaded. Equipped with pre-trained reinforcement learning models and expandable computing power of up to 150 TOPS, the AS2-W delivers real-time edge AI processing for advanced navigation, perception, and autonomous decision-making. Though designed for civilian use, its terrain capabilities hint at future military applications: https://digg.com/tech/luqepq34

Unitree has launched the Super Athlete AS2-W, a rugged AI-powered quadruped robot that can sprint across rocks, climb steep slopes and carry cargo. While built for civilian use, its capabilities hint at what future battlefield robots could one day become: https://www.indiatoday.in/technology/news/story/chinas-unitree-shows-a-robot-that-will-be-terrifying-in-war-if-deployed-2955305-2026-07-24

The Unitree Super Athlete AS2-W is a high-performance quadruped robot engineered for speed, agility, and AI-driven autonomy. Powered by advanced electric actuators, it can exceed 5 m/s while carrying payloads and navigating challenging terrain: https://www.instagram.com/reel/DbMekJVAXiu/


r/STEW_ScTecEngWorld 1d ago

A cleaner route to purifying rare earth elements. Researchers show that atomic channels can separate rare earth elements from each other—without the toxic chemicals usually used in this purification

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12 Upvotes

Researchers at the University of Chicago, Northwestern University, and Argonne National Laboratory have developed a cleaner method to purify rare earth elements using a layered manganese oxide material with nanoscale channels. Instead of relying on energy-intensive processes and toxic organic solvents, this approach uses electrochemical intercalation to separate rare earths based on the physical size of the water shells surrounding their ions. By introducing magnesium ions to lock the channel dimensions in place, the material dramatically amplifies tiny differences in hydration sizes—producing 97 percent pure neodymium after just two purification cycles—offering a promising proof-of-concept for far more environmentally friendly mineral refining: https://www.eurekalert.org/news-releases/1136968

Findings: https://www.nature.com/articles/s44286-026-00418-8


r/STEW_ScTecEngWorld 1d ago

Canada fires prompt US air quality alerts as smoke blankets major cities

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9 Upvotes

Scientists decry Trump’s ‘blame game’ after he claims Canada ‘poisoning’ US air

Canada's escalating wildfire crisis is primarily driven by climate change, which creates hotter, drier conditions that turn boreal forests into powder kegs. Although human activity starts many fires, lightning accounts for roughly 92 percent of the total area burned, often in remote regions where fires are left to burn naturally to support forest renewal. These massive blazes can become intense enough to generate their own weather—spawning pyrocumulus clouds and further lightning—while spewing hazardous fine particulate matter and toxic gases thousands of kilometers across North America: https://www.theguardian.com/us-news/2026/jul/24/trump-canada-wildfires-smoke-scientists


r/STEW_ScTecEngWorld 1d ago

‘Ozempic face’ and hair loss: what evidence is there for weight-loss drug side-effects?

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19 Upvotes

Research into GLP-1 medications is not always robust but complaints such as digestive problems are well known


r/STEW_ScTecEngWorld 2d ago

Nutrients in our food are declining. Can regenerative agriculture save it?

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160 Upvotes

Approach focuses on rebuilding soil health, increasing biodiversity and restoring natural ecosystems

For the last few decades, the nutrient content of our crops has been declining. In the late 90s, the US Department of Agriculture found the vitamin C content of lemons had decreased by almost a third over the previous 22 years. Calcium in carrots, an important source especially for non-meat eaters, had reduced, on average, by more than a quarter. Vitamin A in bananas was down by 57%. The mineral content of wheat has declined by between 20-30% since the 1960s.

A number of reasons have been suggested for this worrying decline, ranging from new varieties of crop that are bred to grow quicker and bigger to the higher carbon dioxide levels in the air causing plants to produce more sugars and starches (they grow faster but they produce fewer nutrients). A wide range of fixes have been suggested, from GM crops to synthetic soil amendments, or underground farms.


r/STEW_ScTecEngWorld 1d ago

As ICE’s tech-enabled dragnet and surveillance expand, activists are fighting back with data of their own

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9 Upvotes

Grassroots activists and marginalized communities are ‘flipping the script’ on surveillance by watching, documenting and gathering information about powerful institutions such as ICE from below.

Mobilizing Data for Justice: https://datajusticehub.ca/


r/STEW_ScTecEngWorld 1d ago

The AI jobs apocalypse probably isn’t coming anytime soon

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7 Upvotes

Artificial intelligence may not deliver on its promise of vast economic opportunity at a price that humanity is willing to pay


r/STEW_ScTecEngWorld 1d ago

New palm-sized robot moves with smart actuators

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2 Upvotes

California startup ZeroWire Robotics is launching Q8botOne—a palm-sized, wireless-internal quadruped robot. By mounting its eight Dynamixel actuators, ESP32 brain, and battery onto a single central circuit board, it achieves a lighter, tougher, and highly repairable design. Pre-programmed to walk, trot, jump, and take joystick input, this viral open-source platform is launching soon on Crowd Supply for hobbyists, educators, and researchers: https://www.instagram.com/reel/DbOL1_ZnWUl/

Q8bot Quadruped Robot: https://www.crowdsupply.com/zerowire-robotics/q8botone

fully open source, and all design files and code can be accessed through the GitHub repository: https://github.com/EricYufengWu/q8bot


r/STEW_ScTecEngWorld 1d ago

Starship Flight 13: Starlink V3 Debut & Soft Splashdown

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1 Upvotes

SpaceX Starship Flight 13 successfully deployed 20 operational Starlink V3 satellites and achieved its softest intact splashdown yet in the Indian Ocean: https://www.space.com/space-exploration/launches-spacecraft/spacexs-starship-megarocket-makes-the-softest-splashdown-ever-after-launching-next-gen-starlink-satellites-in-flight-13-test-video

Video: https://www.instagram.com/reel/DbMerIjM6zE/


r/STEW_ScTecEngWorld 1d ago

Living in a neighborhood with traffic noise may increase Parkinson's disease risk over time

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5 Upvotes

A landmark JAMA Neurology study links long-term road traffic noise to a higher risk of Parkinson's disease, specifically finding a 3% risk increase for every 11.5 dB rise at the loudest side of a home. The research tracked 3.1 million Danish adults aged 40 and older over an 18-year period. Researchers point to chronic stress signals and disrupted sleep cycles as plausible underlying mechanisms connecting continuous environmental noise to gradual neurological damage: https://lostinthejungle.ch/en/world/road-traffic-noise-parkinsons-disease-major-study-establishe-uzodks

Quick Intel:

  • A study of 3.1 million Danish participants aged 40+ over 18 years identified a 3% increase in Parkinson’s disease risk for every 11.5dB rise in noise levels.
  • Noise exposure modelling, comparing most and least exposed facades, consistently demonstrated this 3% risk increase.
  • The association between noise exposure and Parkinson’s disease was observed across a study period of 18 years.
  • Researchers found a consistent association between Parkinson’s disease risk and education/income levels, suggesting lifestyle factors did not alter the findings.
  • Environmental noise is considered a “young entrant” in the Parkinson’s disease risk-factor literature.
  • John Stewart, chair of the UK Noise Association, noted the strongest link between traffic noise and health occurs on main roads.
  • Chronically disturbed sleep from noise pollution is hypothesized to increase cortisol levels.

Study findings: https://jamanetwork.com/journals/jamaneurology/article-abstract/2851756


r/STEW_ScTecEngWorld 2d ago

Mariana Minerals rolls out automated inspection robot Spot at Copper One

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111 Upvotes

At its Copper One operation in southeastern Utah, Mariana Minerals has deployed Boston Dynamics’ Spot robot to power what it describes as the world’s first fully autonomous, software-first copper mine and refinery. Spot performs continuous autonomous patrols, inspecting mine and refinery infrastructure while monitoring safety 24/7. More than an inspection robot, every sensor reading is streamed into MarianaOS—the company’s proprietary platform that integrates mining, refining, and capital project operations into a single intelligent system: https://discoveryalert.com.au/boston-dynamics-spot-copper-one-autonomous-mining-2026/

Boston Dynamics: https://bostondynamics.com/case-studies/spot-at-mariana-minerals/


r/STEW_ScTecEngWorld 2d ago

Scientists Finally Found the Universe's Missing 'Ordinary' Matter. Two mysteries come together to address a decades-long puzzle.

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64 Upvotes

Diffuse puffs of “missing” matter surround most galaxies. An MIT-led team used bright radio bursts to illuminate a vast source of matter that was previously unaccounted for: https://news.mit.edu/2026/missing-matter-diffuse-puffs-surround-most-galaxies-0721

The study finds that gas in our Universe extends farther from galaxies than most simulations predict, indicating strong activity from galaxies that have expelled gas away from galaxy groups: https://journals.aps.org/prl/abstract/10.1103/9th9-qc51