r/STEW_ScTecEngWorld

Raw silk is produced through a process called reeling, in which silkworm cocoons are first heated or steamed to preserve their continuous fibers before being soaked in hot water to soften sericin, the natural protein that binds the silk strands together. Workers or automated brushes then locate the delicate filament ends, and threads from 5 to 50 cocoons are gently unwound and twisted into a single, stronger strand, with the remaining sericin acting as a natural adhesive. A single cocoon can yield 1,000–1,500 meters of ultra-fine silk filament, but because each strand is only about 1/100 of a millimeter thick, thousands of cocoons are needed to produce just one pound of raw silk. The finished thread is then degummed to remove the remaining sericin, revealing the smooth, lustrous silk used in luxury fabrics: https://www.sartorbohemia.com/article/22/how-silk-is-made-reeling-mill/

Silkworm cocoons are soaked in hot water to loosen the outer sericin layer, then multiple filaments are reeled together through a frame to form a single continuous silk thread: https://www.instagram.com/reel/DaVOZBEgvHr/

Video: https://www.youtube.com/watch?v=HzpF4niyDeg&t=182s

A mixed-reality app called CoasterMania now lets users design, build, and ride custom roller coasters directly through their living rooms. Powered by Meta Quest's Scene Understanding (Spatial AI), the system uses AI-driven computer vision, depth sensing, and real-time 3D mapping to scan a room and create coaster tracks that adapt to actual walls, furniture, and layout. Instead of floating in a virtual void, the tracks weave around couches, tables, and other household objects in real time. Once the coaster is built, users can switch to a first-person perspective and experience the ride as if a miniature theme park has been constructed inside their home: https://www.instagram.com/reel/DaWBXckzCSj/

Build, Ride, & Share Rollercoasters in Mixed Reality: https://www.meta.com/experiences/coastermania/7856648691073700/

The Hong Kong–Zhuhai–Macau Bridge (HZMB) is the world's longest open-sea fixed crossing, stretching 55 kilometers across the Pearl River Delta at a cost of US$20 billion. Completed after nine years of construction, the bridge has reduced travel time between Hong Kong and Zhuhai from four hours to just 30–45 minutes. Its hybrid design combines three cable-stayed bridges, a 6.7-kilometer immersed underwater tunnel, and two artificial islands to accommodate one of the world's busiest shipping routes. Built with 420,000 tons of steel, the structure is engineered to withstand magnitude 8.0 earthquakes and typhoon winds of up to 340 km/h. As a key part of China's Greater Bay Area initiative, the bridge strengthens regional connectivity, although cross-border travel remains tightly regulated due to the separate immigration and legal systems of Hong Kong, Macau, and mainland China: https://www.bbc.com/news/world-asia-china-45937924

Macau Bridge: https://en.wikipedia.org/wiki/Hong_Kong%E2%80%93Zhuhai%E2%80%93Macau_Bridge

Neuralink has reached a major milestone in brain-computer interface technology by becoming the first to implant its ultra-thin electrode threads through the intact dura mater—the brain's tough protective membrane—without surgically cutting it. Performed at University Health Network's Toronto Western Hospital as part of an ongoing clinical trial, the robot-assisted procedure uses advanced imaging and micron-precision insertion techniques to safely guide threads thinner than a human hair into the brain while avoiding hidden blood vessels. By eliminating one of the most delicate steps in traditional brain surgery, the approach could reduce surgical risks, improve consistency, and speed patient recovery. In the initial trial, a participant was able to control a computer cursor using only their thoughts within an hour of surgery. While the results are promising, Neuralink's devices remain investigational and have not yet been approved by the U.S. FDA or other regulatory authorities: https://www.yahoo.com/news/science/articles/neuralink-just-pierced-brain-armor-180032988.html

Learn more here:

1. https://icharles.com/articles/neuralink-transdural-implant-uhn-canada

2. https://cryptobriefing.com/neuralink-transdural-electrode-implant/

3. https://www.youtube.com/watch?v=F8p2MamNBgE

4. https://www.msn.com/en-us/news/insight/neuralink-implants-brain-electrodes-without-cutting-protective-membrane/gm-GM0CE34771

To commemorate America's 250th anniversary, a 900-pound stainless steel time capsule has been buried near Independence Hall in Philadelphia, with instructions that it remain sealed until July 4, 2276. The congressionally authorized America250 capsule, designed and fabricated by the National Institute of Standards and Technology (NIST), preserves a snapshot of modern America through artifacts such as a deconstructed Apple iPhone 17 Pro Max, letters from the governors of all 50 states, a Coca-Cola bottle, an Arkansas diamond, and numerous state-selected historical items. Among them, the iPhone may be the most fascinating, capturing the state of consumer technology in 2026. Just as we study tools, letters, and machines from the 1700s, people opening the capsule in 2276 may view today's smartphone as a remarkable artifact from a distant era. The world was dramatically different 250 years ago, and it will likely be almost unrecognizable 250 years from now: https://www.ctvnews.ca/lifestyle/article/do-not-open-until-2276-us-burying-time-capsule-to-mark-july-4/

Learn more here:

1. https://abc7news.com/post/diamond-whale-bone-lots-letters-whats-inside-america-250-time-capsule/19306002/
2. https://www.c-span.org/program/america-250/americas-time-capsule-burial/681133
3. https://www.pbs.org/newshour/nation/the-u-s-will-bury-a-time-capsule-for-its-250th-birthday-heres-whats-inside

https://archive.ph/moVLf

Researchers at Vrije Universiteit Brussel have achieved a groundbreaking fertility milestone by restoring sperm production in a man who became infertile after childhood cancer treatment. Before undergoing chemotherapy and a bone marrow transplant at age 10, doctors froze small pieces of his immature testicular tissue, since prepubescent boys cannot bank mature sperm. Twenty years later, the tissue was thawed and grafted back onto his adult testicles and scrotum, where dormant stem cells resumed development and successfully produced mature, motile sperm for the first time in a human using this approach. Although assisted reproductive technology will still be required because the transplanted tissue is not connected to the sperm ducts, the breakthrough demonstrates that cryopreserved juvenile testicular tissue can remain viable for decades and later restore fertility, offering new hope to boys facing fertility-threatening cancer treatments: https://www.sciencealert.com/world-first-transplant-man-regains-viable-sperm-from-his-childhood-testicle-tissue

Man produces sperm from testicular tissue frozen as a child in breakthrough trial: https://www.theguardian.com/society/2026/may/04/man-produces-sperm-from-testicular-tissue-frozen-as-a-child-in-breakthrough-trial

Study: https://www.medrxiv.org/content/10.64898/2026.03.04.26347483v1

John Tse from I Build Stuff upgraded his remote controlled flying umbrella into a fully handsfree, autonomous device that shields users from rain and sun. Designed like a regular umbrella, it hides a four-propeller quadcopter drone system beneath its surface.

To avoid a bulky design, he created 3D printed folding arms made of durable carbon-fiber nylon, which lock firmly into place using hinges and rubber bands to minimize shaking during flight.

To track users automatically, the device features a time of flight depth camera that maps the user's position in 3D, even in low light. A Raspberry Pi processes this data to locate the user's head, sending instant coordinates to the flight controller and GPS to keep the umbrella centered.

After a year of overcoming hardware and software failures, the final prototype successfully hovers, follows its user, and operates perfectly in heavy rain.

Source :

https://www.designboom.com/technology/autonomous-flying-umbrella-follows-users-rain-sunlight-i-build-stuff-01-13-2026/?utm\_source=

After nearly 30 years of transporting oversized aircraft components across Europe, Airbus has officially retired Beluga ST No. 4 (registration F-GSTD). On June 24, 2026, the whale-shaped Super Transporter made its final ceremonial flyover over Toulouse before being towed along specially reinforced public roads to the Aeroscopia Museum in Blagnac, France. The retired aircraft will become a permanent outdoor exhibit, joining the historic Super Guppy, which has been on display there since 2015. The Beluga ST played a vital role in Airbus' manufacturing network, carrying massive aircraft sections—including wings and fuselage components—between production facilities, making it one of the world's most recognizable and distinctive cargo aircraft: https://simpleflying.com/airbus-beluga-st-toulouse-aeroscopia-museum-super-guppy/

The Grand Paris Express is Europe's largest infrastructure project, adding 200 kilometers of fully automated metro lines and 68 new stations at an estimated cost of €35–42 billion (USD 40-52B). Designed to serve more than 2 million passengers daily, the network introduces four new orbital lines that connect Paris's suburbs directly, eliminating the need to travel through the city center. Construction involves some of the world's most complex urban tunneling, with more than 20 tunnel-boring machines navigating beneath historic foundations, quarries, and existing infrastructure. Beyond improving mobility, the project is expected to contribute around €100 billion (USD 115 B) to the regional economy, create over 115,000 jobs, and support Paris's goal of achieving carbon neutrality by 2050 by reducing car use and incorporating low-carbon construction materials and recycled excavated soil: https://udcsa.gsd.harvard.edu/projects/16

From century-old tunnels to cutting-edge megaprojects, Paris is redefining how cities build—and how infrastructure can shape urban life for generations: https://blog.bluebeam.com/paris-metro-grand-paris-express-infrastructure-lessons/

Grand Paris Express: https://www.chooseparisregion.org/grand-paris-express

Grand Paris Express: https://en.wikipedia.org/wiki/Grand_Paris_Express

An inventor from the YouTube channel I Build Stuff has created the Flying Umbrella 2.0, a fully autonomous, hands-free umbrella drone designed to hover directly above a person in the rain. Unlike its predecessor, which required constant manual corrections, this upgraded version ditches inaccurate GPS tracking in favor of a built-in time-of-flight camera and a Raspberry Pi. Together, they map the user's surroundings in 3D to accurately track their movements in real time. Built with folding carbon fiber nylon arms for easy portability, the project represents a major breakthrough in close-range autonomous tracking after nearly a year of technical setbacks and hardware failures: https://www.instagram.com/reel/DUGuqvkk0dk/?hl=en

Learn more here:

1. https://www.designboom.com/technology/autonomous-flying-umbrella-follows-users-rain-sunlight-i-build-stuff-01-13-2026/
2. https://laughingsquid.com/drone-powered-flying-umbrella-2/
3. https://newatlas.com/drones/john-xu-autonomous-flying-umbrella/

Norwegian startup Flocean has achieved "first water" from Flocean One, the world's first commercial-scale subsea desalination plant. Located off Norway's west coast, the system places reverse osmosis pods 400–600 meters below the ocean surface, where natural hydrostatic pressure of 40–50 bar drives seawater through filtration membranes. By harnessing deep-ocean pressure, the technology reduces energy consumption by 40–50% compared with conventional desalination plants that rely on energy-intensive surface pumps. Operating entirely on the seafloor also eliminates the need for valuable coastal land, minimizes environmental impacts by avoiding shallow-water brine discharge, and reduces maintenance because the low-light environment greatly limits algae and microbial growth, reducing the need for chemical pre-treatment. Flocean One can produce up to 1 million liters of drinking water per day—enough to supply approximately 6,000 households. Following this milestone, the company is expanding its technology through more than 15 projects worldwide, including partnerships in the Maldives and with municipalities across Norway: https://www.linkedin.com/posts/watch-the-first-glass-of-freshwater-harvested-ugcPost-7476272579838836736-8K14/

Learn more here

1. https://www.businesswire.com/news/home/20251118762365/en/Launching-Worlds-First-Commercial-Subsea-Desalination-Plant-Flocean-adds-Xylem-as-Strategic-Investor-and-Extends-Series-A-Funding

2. https://interestingengineering.com/innovation/worlds-first-underwater-desalination-plant-launch-2026

3. https://www.aquatechtrade.com/water-stories/desalination/deep-sea-desalination-commercial-validation-norway

UBTech has launched the UWorld U1 Series, its first mass-produced, full-sized "ultra-bionic humanoid robot" designed for consumer companionship. Debuting in China, the robot features realistic silicone skin, human-like movements with 88 degrees of freedom, and an emotion-aware LLM to interact seamlessly with users. While it is intended to address the growing population of adults living alone, the company has sparked controversy by planning to incorporate 3D facial reconstruction and voiceprint replication to let users customize the robots into replicas of specific individuals, such as deceased loved ones.

While many see the U1 as a glimpse into the future of personal robotics, its debut has also sparked debate over whether AI companions could help ease loneliness—or reduce real human interaction.

Learn more here:

1). Company reports more than 10,000 orders and launches an initiative to donate 100 humanoid robots in support of mental well-being programs: https://www.prnewswire.com/ae/news-releases/ubtech-launches-uworld-u1-the-worlds-first-full-size-mass-produced-ultra-bionic-humanoid-robot-302815285.html

2). UBTech launched its first full-size Ultra-Bionic humanoid robot, but what it really wants to do is make robot replicas of loved ones — that's a hard no: https://www.techradar.com/ai-platforms-assistants/ubtech-just-introduced-its-first-full-size-ultra-bionic-humanoid-robot-but-what-it-really-wants-to-do-is-make-robot-replicas-of-loved-ones-thats-a-hard-no

3). UBTech firm sells hyper-real, 'always loyal' humanoid robots: https://japantoday.com/category/tech/chinese-firm-sells-hyper-real-'always-loyal'-humanoid-robots

At MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) a team developed a remarkable origami-inspired robot that begins as a flat plastic sheet, folds itself into shape, performs useful tasks, and then almost completely dissolves. Laser-cut from structural plastic layered with heat-sensitive PVC, the sheet self-assembles in about one minute when heated to 65°C, using only carefully designed folds and a tiny neodymium magnet—no motors or manual assembly required. Once folded, the 1.7 cm, 0.31-gram robot can walk at 3.8 body lengths per second, carry twice its own weight, climb slopes, swim, and navigate confined spaces before degrading in liquid, leaving only the magnet behind. It was the first robot to demonstrate a complete life cycle of self-assembly, operation, and controlled degradation. Researchers envision future applications ranging from minimally invasive medicine—where a swallowable robot could deliver drugs, patch wounds, or retrieve swallowed objects—to disaster response, where self-folding robots could search through rubble or flooded infrastructure: https://news.mit.edu/2015/centimeter-long-origami-robot-0612

While a 2016 follow-up study demonstrated a pill-sized prototype for stomach procedures, medical use remains experimental and still relies on external magnetic guidance. Even so, the work shows how origami engineering, smart materials, and simple physics can replace far more complex robotic systems with elegant, low-cost designs: https://news.mit.edu/2016/ingestible-origami-robot-0512

On June 24, 2026, Google's Android Earthquake Alerts System successfully delivered advance warnings to 11.4 million people in Venezuela up to two minutes before a devastating double earthquake struck. The built-in system dispatched the first alerts just nine seconds after the underground seismic activity began. It functions by utilizing the accelerometers inside stationary Android devices to detect early, subtle seismic p-waves, automatically anonymizing and pooling this data in the background. Once a critical mass of matching reports confirms a quake of magnitude 4.5 or greater, a rapid alert is pinged out to users in the affected areas, providing a crucial window of time for individuals to seek safety: https://www.techradar.com/phones/android/google-says-androids-built-in-earthquake-warning-system-alerted-11-4-million-people-before-the-venezuelan-earthquake-hit-heres-how-to-find-it-on-your-phone

Android Earthquake Alerts: A global system for early warning: https://research.google/blog/android-earthquake-alerts-a-global-system-for-early-warning/

Figure AI's next-generation humanoid robot, Figure 03, has officially begun operations at the BMW Group Plant Spartanburg in South Carolina, replacing the earlier Figure 02 model, which helped build more than 30,000 vehicles in the body shop during 2025. Unlike its predecessor, Figure 03 performs complex logistics sequencing in Hall 52, retrieving unsorted, irregularly positioned parts from containers and placing them into trolleys in the precise order needed for vehicle assembly. Powered by Helix 02, Figure AI's proprietary Vision-Language-Action (VLA) model, the robot uses dynamic whole-body control to manipulate components while shifting its feet and torso to pull heavy carts. It also introduces major hardware upgrades, including tactile-sensing hands with palm-mounted cameras for greater dexterity, soft safety components, wireless charging for increased uptime, and speech-to-speech audio capabilities for more natural human-robot interaction: https://www.therobotreport.com/bmw-group-deploys-figure-03-humanoid-after-tests-previous-version/