Tech

Design Sem Nome 2025 10 22T112254.946

The first Wind-Powered Underwater Data Center has Been Unveiled

Material & Energy, Renewable Energy /

China has built the world’s first wind-powered underwater data center near Shanghai. The ¥1.6 billion (US$226 million) project represents a major advance in sustainable, high-performance computing. Powered by offshore wind and seabed cooling, the facility cuts power use by 22.8%, eliminates fresh water needs, and reduces land use by over 90%. Seawater Cooling Slashes Energy […]

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Design Sem Nome 2025 10 21T115006.823

What is AI Poisoning? A Computer Scientist’s Explanation

Artificial Intelligence, Cybernetics, Tech /

Poisoning is a term commonly linked to the human body and the natural world. However, it’s becoming an increasing concern in the realm of artificial intelligence (AI), especially for large language models like ChatGPT and Claude. A recent study by the UK AI Security Institute, the Alan Turing Institute, and Anthropic, published earlier this month,

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Design Sem Nome 2025 10 21T095455.415

Scientists Create Color X-Ray Technology

Tech, Wearables /

“This technology moves X-rays from black-and-white to color, making it easier to spot materials and defects,” said Noelle Collins. Project leader Edward Jiménez said the new Color Hyperspectral X-ray Imaging with Multimetal Targets (CHXI MMT) technology was developed with Noelle Collins and Courtney Sovinec. Sandia Team Tests Technology on Multiple Metal Samples The Sandia National

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Design Sem Nome 2025 10 20T155238.536

Next-Gen Memory: Tungsten-Based SOT-MRAM Provides Rapid, Low-Energy Storage

Computer & Electronics, Tech /

The ability to consistently reverse the magnetic alignment in materials, called magnetization switching, is crucial for the operation of most memory devices. One common method to achieve this involves generating a rotational force (torque) on electron spins using an electric current, a phenomenon known as spin-orbit torque (SOT). Information storage devices utilizing this effect are

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Design Sem Nome 2025 10 17T152601.793

How Smartphones are Revealing the True Patterns of Urban Movement

Geographical Tech, Tech /

When I started my Ph.D. in Boston, I quickly realized how limited and outdated our data is on urban mobility. We often talk about “car dependence,” “walkable neighborhoods,” or “transit equity,” but self-reported surveys that people complete—often outdated by years—usually provide the information behind these terms. These surveys typically ask people to remember every trip

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Design Sem Nome 2025 10 17T115427.079

Researchers use Lab-Grown Mini-Brains to Run Computers

Tech, Wearables /

In a lab in the scenic Swiss town of Vevey, a scientist nourishes small clusters of human brain cells with a nutrient-rich solution to keep them alive. Mini-brains must stay healthy to process information, since unlike laptops, they can’t reboot once they die. This new field, called biocomputing or “wetware,” aims to harness the brain’s

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Design Sem Nome 2025 10 16T160857.949

Scientists Found an Incredible New Use for Used Coffee Grounds

Food, Science /

Australian scientists discovered that charred coffee grounds can enhance concrete strength by up to 30%. This innovative approach could tackle several issues simultaneously. Each year, people around the world generate about 10 billion kilograms (22 billion pounds) of coffee waste, most of which ends up in landfills. Addressing Waste and Concrete Demand “Disposing of organic

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Design Sem Nome 2025 10 16T092759.806

Scientists Developed the First ‘Living’ Cement that Generates Energy and could Reshape Construction

Architecture, Engineering /

Is traditional cement—the kind we’ve known since childhood for laying floors or building walls—nearing its end? In Denmark, researchers have surprised the world with the creation of “living cement.” Beyond construction, this innovative material can also store and generate energy. Scientists at Aarhus University achieved the breakthrough by integrating the bacterium Shewanella oneidensis—renowned for its

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Design Sem Nome 2025 10 15T111442.328

Lasers and Gold Nanoparticles Enable Crystal Growth for New Materials

Material & Energy, Material Technology, Nanotechnology /

Michigan State University researchers have found a way to create crystals on demand, which are essential for technologies like solar panels, LED lighting, and medical imaging. A New Frontier in Material Science Published in ACS Nano, the breakthrough involved hitting gold nanoparticles with a single laser pulse. “We’re only starting to explore the possibilities. This

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