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Category: sustainability

‘Walking’ water discovery on 2D material could lead to better anti-icing coatings and energy materials

A surprising discovery about how water behaves on one of the world’s thinnest 2D materials could lead to major technological improvements, from better anti-icing coatings for aircraft and self-cleaning solar panels to next-generation lubricants and energy materials.

In a study published in Nature Communications, researchers from the University of Surrey and Graz University of Technology tested two ultra-thin sheet-like materials with a honeycomb structure— graphene and hexagonal boron nitride (h-BN). While graphene is electrically conductive—making it a key contender for future electronics, sensors and batteries—h-BN, often called “white graphite,” is a high-performance ceramic material and electrical insulator.

Precise catalyst design boosts hydrogen gas production efficiency and affordability

A recent advance in the science of hydrogen fuel production could enable higher output and more sustainable production of this renewable energy source, researchers with Stockholm’s KTH Royal Institute of Technology report.

The findings result from unprecedented atomic-scale observations of how catalysts perform in the slow and expensive process of water splitting, or breaking the bond of oxygen and hydrogen. Using a unique set-up, they were able to produce hydrogen gas at rates comparable to or faster than state-of-the-art conventional catalysts.

What’s more, the catalyst remained in good condition after extended operation—a positive sign for commercial viability.

Space debris poses growing threat, but new study suggests cleanup is feasible

High up in Earth’s orbit, millions of human-made objects large and small are flying at speeds of over 15,000 miles per hour. The objects, which range from inactive satellites to fragments of equipment resulting from explosions or collisions of previously launched rockets, are space debris, colloquially referred to as space junk. Sometimes the objects collide with each other, breaking into even smaller pieces.

No matter the size, all of this debris poses a problem. Flying at high speeds caused by prior launches or explosions, they create danger for operational satellites and spacecraft, which are vital for the efficacy of modern technologies like GPS, digital communication and weather forecasting. At orbital speeds, even tiny fragments can cause significant damage to operational equipment, endangering future space missions and the people who would participate in them.

“Even if a tiny, five-millimeter object hits a solar panel or a solar array of a satellite, it could break it,” says Assistant Professor Hao Chen, whose research involves space systems design. “And we have over 100 million objects smaller than one centimeter in orbit. So if you want to avoid a collision, you have to maneuver your spacecraft, which takes up fuel and is costly. Additionally, we have humans on the International Space Station who sometimes must go outside the spacecraft where the space debris can hit them too. It’s really dangerous.”

Bio-hybrid robots turn food waste into functional machines

EPFL scientists have integrated discarded crustacean shells into robotic devices, leveraging the strength and flexibility of natural materials for robotic applications.

Although many roboticists today turn to nature to inspire their designs, even bioinspired robots are usually fabricated from non-biological materials like metal, plastic and composites. But a new experimental robotic manipulator from the Computational Robot Design and Fabrication Lab (CREATE Lab) in EPFL’s School of Engineering turns this trend on its head: its main feature is a pair of langoustine abdomen exoskeletons.

Although it may look unusual, CREATE Lab head Josie Hughes explains that combining biological elements with synthetic components holds significant potential not only to enhance robotics, but also to support sustainable technology systems.

X-ray imaging reveals how silicon anodes maintain contact in all-solid-state batteries

All-solid-state batteries (ASSBs) using silicon (Si) anodes are among the most promising candidates for high-energy and long-lasting power sources, particularly for electric vehicles. Si can store more lithium than conventional graphite, but its volume expands by roughly 410% during charging. This swelling generates mechanical stress that cracks particles and weakens their contact with the solid electrolyte, disrupting the flow of ions and reducing efficiency.

To address this, a research group led by Professor Yuki Orikasa from the College of Life Sciences, Ritsumeikan University, along with Ms. Mao Matsumoto, a graduate student at the Graduate School of Life Sciences, Ritsumeikan University (at the time), and Dr. Akihisa Takeuchi from the Japan Synchrotron Radiation Research Institute, used operando synchrotron X-ray tomography with nanometer resolution to observe what happens inside these batteries as they charge and discharge in real time.

Their paper is published in ACS Nano.

AI With Integrity: Leading Innovation Responsibly

• Ensuring ethical leadership at all levels.

Ethical considerations must be integrated into every phase of AI development—not added as an afterthought.

As AI transforms business, responsible leadership will unlock new possibilities. Responsible AI is not just about compliance—it is a strategic advantage that builds trust and drives sustainable growth in an era where technology should benefit every part of society. In domains such as supply chain management, local decisions can have global consequences. Ethical AI enables progress that stays true to shared values across all points of influence. Fair, transparent and accountable by design—this is how institutions can trust innovation to build smarter systems and a better world.

Single molecular membrane can make lithium batteries safer and longer-lasting

A team of Korean scientists has developed a separator technology that dramatically reduces the explosion risk of lithium batteries while doubling their lifespan. Like an ultra-thin bulletproof vest protecting both sides, this molecularly engineered membrane stabilizes both the anode and cathode in next-generation lithium-metal batteries.

The joint research, led by Professor Soojin Park and Dr. Dong-Yeob Han from the Department of Chemistry at POSTECH, together with Professor Tae Kyung Lee of Gyeongsang National University and Dr. Gyujin Song of the Korea Institute of Energy Research (KIER), was recently published in Energy & Environmental Science.

Conventional lithium-ion batteries, which power today’s electric vehicles and energy storage systems, are approaching their theoretical energy limits. In contrast, lithium-metal batteries can store about 1.5 times more energy within the same volume, potentially extending an electric vehicle’s driving range from 400 km to approximately 700 km per charge. However, their practical use has been hindered by serious safety issues.

WORLDCHANGING Space Energy Supercharges AI! What it means for Nvidia, Tesla and Other AI Companies

Elon Musk plans to launch solar-powered AI satellites that could provide a nearly limitless source of energy to supercharge AI processing capacity, potentially disrupting traditional energy production and benefiting companies like Nvidia and Tesla ## ## Questions to inspire discussion.

Space Solar Power Economics.

🚀 Q: What’s the projected cost trajectory for space-based solar power? A: SpaceX could achieve $10 per watt for space solar by 2030–2032, down from previously estimated $100 per watt, with ultimate target of $1 per watt for operational systems, requiring 3–4 orders of magnitude cost reduction through Wright’s Law.

💰 Q: How much would launching 1 terawatt of space solar cost? A: Launching 1 terawatt of space solar power requires $1 trillion in launch costs alone, not including manufacturing and operational expenses.

⚡ Q: What energy advantage does space solar have over ground-based systems? A: Space solar plants generate 10x more energy than ground-based sources by operating 24/7 with double intensity, each equivalent to a nuclear power plant in output.

SpaceX Launch Capacity and Timeline.

Continue reading “WORLDCHANGING Space Energy Supercharges AI! What it means for Nvidia, Tesla and Other AI Companies” | >

World’s first fast-neutron nuclear reactor to power AI data centers

French startup Stellaria secures its first power reservation from Equinix for Stellarium, the world’s first fast-neutron reactor that reduces nuclear waste.

The agreement will allow Equinix data centres to leverage the reactor’s energy autonomy, supporting sustainable, decarbonized operations and powering AI capabilities with clean nuclear energy.

The Stellarium reactor, proposed by Stellaria, is a fourth-generation fast-neutron molten-salt design that uses liquid chloride salt fuel and is engineered to operate on a closed fuel cycle.

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