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How future food domes could change the way you eat

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How future food domes could change the way you eat

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A futuristic food dome at Expo 2025 Osaka-Kansai offered a surprising look at how cities may grow fresh food close to home.

Inspired by a classic greenhouse, the Inochi no Izumi or Source of Life dome showed how a compact closed-loop ecosystem could sit on rooftops or in small urban spaces. It looked like a tiny house full of produce powered by nature.

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LIVING IN GIANT MOON GLASS SPHERES COULD BE OUR FUTURE

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This dome creates a full food ecosystem by recycling water and nutrients in a closed loop. (VikingDome)

Inside the Source of Life dome

The 21-foot structure sits on a base with four water zones that support marine fish, brackish species and freshwater species. Their waste creates the nutrients that feed the plant layers above. Microbes convert ammonia into nitrates that plants love.

Above the tanks are four hydroponic tiers. Salt-tolerant greens grow over the seawater tank. Tomatoes and semi-salt-tolerant veggies thrive in the brackish zone. Herbs and lettuce sit above freshwater species like sturgeon. Edible flowers fill the top layer where sunlight hits strongest. The layout functions like an ecological slice from ocean to land instead of floors.

Transparent ETFE panels pull in light and help the dome keep a stable climate. Water pumps send nutrients upward and then return clean water to each tank. The loop creates almost no waste and keeps cycling with little input.

BEEF INDUSTRY SLAMS LAB-GROWN HYBRID MEAT AS SCIENTISTS PROMISE GREENER STEAKS

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Plants grow in stacked hydroponic layers that match the salinity zones of the aquatic life below. (VikingDome)

How cities may use systems like this

If these domes scale, cities could spread food production across many rooftops instead of one large farm. That shift boosts resilience and reduces shipping. It also lets people see where their food comes from because it grows within reach.

Why this Dome matters

The dome shows how biodiversity can improve food production. With more plant and aquatic species working together, the system stays stable and feeds itself. It does not rely on soil, open land or predictable weather. Cities with tight spaces can use this kind of setup to grow food right where people live.

Researchers from Osaka Metropolitan University and the Tokyo University of Marine Science and Technology designed the system to copy nature. It follows the same recycling found in healthy wetlands. By letting biology do the work, the system reduces strain on land and water.

The system shows how cities may produce fresh food on rooftops and small urban spaces. (VikingDome)

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What this means for you

This model hints at a future where fresh food sits closer to your kitchen. A dome like this could sit on an apartment building or a school and provide herbs, produce and edible flowers. It cuts travel time from farm to table and gives communities more control over their food supply.

If a storm or disaster blocks access to farms, a closed-loop dome can keep growing. For people with tiny yards or no soil, it offers a realistic way to produce clean food in small spaces.

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Kurt’s key takeaways

The Source of Life dome may be a prototype, but it delivers a vivid preview of urban food production. It combines architecture, ecology and aquaculture in a compact package that uses every drop of water. If future cities adopt systems like this, access to fresh food could improve for millions.

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Would you trust a rooftop food dome to supply part of your meals each week? Let us know by writing to us at Cyberguy.com.

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Disney Plus is getting vertical video

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Disney Plus is getting vertical video

Disney Plus will be getting a vertical video feed later this year, Disney announced as part of its Global Tech & Data Showcase for advertisers at CES.

Based on an interview with Erin Teague, Disney’s EVP of product management for Disney Entertainment and ESPN, Deadline reports that vertical video in the app could include “original short-form programming, repurposed social clips, refashioned scenes from longer-form episodic or feature titles or a combination.”

“Think all the short-form Disney content you’d want in one unified app,” Teague said onstage at Wednesday’s showcase. “Over time, we’ll evolve the experience as we explore applications for a variety of formats, categories, and content types for a dynamic feed of just what you’re interested in — from Sports, News, and Entertainment — refreshed in real time based on your last visit.”

Update, January 7th: Added quote from Disney’s Erin Teague.

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Plastic bottles could power your devices one day

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Plastic bottles could power your devices one day

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Each year, billions of single-use plastic bottles end up in landfills or oceans. That waste problem keeps growing. Now, a new scientific breakthrough suggests those same bottles could help power your daily life.

Researchers have developed a way to transform discarded plastic water bottles into high-performance energy storage devices called supercapacitors. The work focuses on PET plastic, short for polyethylene terephthalate, which is used in most beverage bottles. 

The research was published in Energy & Fuels and highlighted by the American Chemical Society. Scientists say the discovery could reduce plastic pollution while helping drive cleaner energy technology.

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SCIENTISTS EXTRACT SILVER FROM E-WASTE USING COOKING OIL

Discarded PET water bottles are one of the most common sources of plastic waste worldwide, with hundreds of billions produced each year. (Kurt “CyberGuy” Knutsson)

Why PET plastic waste is such a growing problem

PET plastic is everywhere. According to the researchers, more than 500 billion single-use PET plastic bottles are produced every year. Most are used once and thrown away. Lead researcher Dr. Yun Hang Hu says that scale creates a major environmental challenge.

Instead of letting that plastic pile up, the team focused on upcycling it into something valuable. Their idea was simple but powerful. Turn waste into materials that support renewable energy systems and reduce production costs at the same time.

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Those upcycled materials come together to form an all-waste-plastic supercapacitor designed for fast charging and long term energy storage. (Kurt “CyberGuy” Knutsson)

How plastic bottles can store and release energy

Imagine a device that can charge fast and deliver power instantly. That is exactly what supercapacitors do. They store and release energy much faster than traditional batteries, which makes them useful for electric vehicles, solar power systems and everyday electronics. 

Hu’s team found a way to build these energy storage components using discarded PET plastic water bottles. By reshaping the plastic at extremely high temperatures, the researchers turned waste into materials that can generate electricity efficiently and repeatedly.

Here is how the process works:

For the electrodes, researchers cut PET bottles into tiny, grain-sized pieces. They mixed the plastic with calcium hydroxide and heated it to nearly 1,300 degrees Fahrenheit in a vacuum. That heat transformed the plastic into a porous, electrically conductive carbon powder.

The powder was then formed into thin electrode layers. For the separator, small pieces of PET were flattened and carefully perforated with hot needles. This pattern allowed electric current to pass efficiently while maintaining safety and durability. Once assembled, the device used two carbon electrodes separated by the PET film and submerged in a potassium hydroxide electrolyte.

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CIGARETTE BUTTS MAKE ROADS STRONGER THAN EVER BEFORE

Researchers use extreme heat to convert waste PET plastic into porous carbon materials that can store and move electricity efficiently. (Kurt “CyberGuy” Knutsson)

Why the results surprised scientists

When tested, the all-waste-plastic supercapacitor outperformed similar devices made with traditional glass fiber separators. After repeated charging and discharging, it retained 79 percent of its energy capacity. A comparable glass fiber device retained 78 percent. That difference matters. The PET-based design costs less to produce, remains fully recyclable, and supports circular energy storage technologies where waste materials are reused instead of discarded.

What this means for you

This breakthrough could affect everyday life sooner than you might expect. Cheaper supercapacitors can lower the cost of electric vehicles, solar systems and portable electronics. Faster charging and longer device lifespans could follow. It also shows that sustainability does not require giving something up. Waste plastics could become part of the solution instead of the problem. Although this technology is still in development, the research team believes PET-based supercapacitors could reach commercial markets within 5 to 10 years. In the meantime, choosing reusable bottles and plastic-free alternatives still helps reduce waste today.

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Kurt’s key takeaways

Turning trash into energy storage is more than a clever idea. It shows how science can tackle two global challenges at once. Plastic pollution continues to grow. Energy demand does too. This research proves that those problems do not have to be solved separately. By rethinking waste as a resource, scientists are building a cleaner and more efficient future from materials we already throw away.

If your empty water bottle could one day help power your home or car, would you still see it as trash? Let us know by writing to us at Cyberguy.com.

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Amazon’s smart shopping cart for Whole Foods gets bigger, lighter, and adds tap-to-pay

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Amazon’s smart shopping cart for Whole Foods gets bigger, lighter, and adds tap-to-pay

Amazon is launching a revamped version of its smart shopping cart, which it plans to bring to dozens of Whole Foods locations by the end of this year, according to an announcement on Wednesday. The new Dash Cart features a “more responsive” item scanner that’s now located next to the built-in display, along with a new NFC reader that lets you tap to pay with your credit card or phone.

Amazon’s previous Dash Cart design put scanners beneath and in front of the handle, potentially making them harder to spot. It also only let you pay with the credit card attached to your Amazon account.

With the upgraded Dash Cart, you’ll find a new scale alongside the cart’s handle, which Amazon says “works in tandem with on-cart cameras, weight sensors, and deep learning models to ensure accurate pricing for every item.” The upgraded Dash Cart eliminates the large sensors facing inside the cart as well, offering a 40 percent larger capacity and a 25 percent lighter weight.

The Dash Cart shows an interactive map of the store on its display, similar to Instacart’s smart Caper Cart. You can sync your shopping list created with Alexa, too, and see how much you’re spending as you add more items to your cart. The cart uses built-in sensors and computer vision to detect when you’ve removed an item, allowing it to automatically update your total. When you’re done shopping, you can skip the checkout line and leave the store in a designated Dash Cart lane.

Amazon is launching its new Dash Cart as the company shakes up its grocery business, which has tied Whole Foods more closely to the Amazon brand. The company has already brought its new Dash Cart to three Whole Foods stores in McKinney, Texas; Reston, Virginia; and Westford, Massachusetts, along with two Amazon Fresh stores.

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