Tech Xplore news

Tech Xplore / The world's most efficient solar cell: Chinese researchers explain how they designed and built it

Earlier in 2025, Chinese solar manufacturer Longi announced it had built the world's most efficient solar cell. The hybrid interdigitated back-contact (HIBC) cell achieved 27.81% efficiency, which was verified by Germany's ...

Nov 25, 2025 in Engineering
Tech Xplore / Soft robots harvest ambient heat for self-sustained motion

A warm hand is enough to drive motion in tiny Salmonella-inspired robots that harness molecular-level dynamic bonding.

Nov 25, 2025 in Robotics
Tech Xplore / Programmable metamaterial can morph into more configurations than there are atoms in the universe

The Wave Engineering for eXtreme and Intelligent maTErials (We-Xite) lab, led by engineering assistant professor Osama R. Bilal, has developed a reconfigurable metamaterial that can control sound waves—bending them, dampening ...

Nov 25, 2025 in Engineering
Tech Xplore / Soft hybrid material turns motion into power—without toxic lead

Scientists have developed a new material that converts motion into electricity (piezoelectricity) with greater efficiency and without using toxic lead—paving the way for a new generation of devices that we use in everyday ...

Nov 25, 2025 in Energy & Green Tech
Tech Xplore / LLMs use grammar shortcuts that undermine reasoning, creating reliability risks

Large language models (LLMs) sometimes learn the wrong lessons, according to an MIT study. Rather than answering a query based on domain knowledge, an LLM could respond by leveraging grammatical patterns it learned during ...

Nov 25, 2025 in Computer Sciences
Tech Xplore / New model measures how AI sycophancy affects chatbot accuracy and rationality

If you've spent any time with ChatGPT or another AI chatbot, you've probably noticed they are intensely, almost overbearingly, agreeable. They apologize, flatter and constantly change their "opinions" to fit yours.

Nov 25, 2025 in Computer Sciences
Tech Xplore / Uncovering hidden losses in solar cells: New analysis method reveals the nature of defects

A joint research team has successfully identified, for the first time, the specific types of defects responsible for efficiency loss in silicon heterojunction (SHJ) solar cells.

Nov 25, 2025 in Engineering
Tech Xplore / Stretchable battery uses natural acids and gelatin for greener wearables

Researchers with McGill's Trottier Institute for Sustainability in Engineering and Design have developed a stretchable, eco-friendly battery suitable for use in wearable and implantable devices. The battery, which uses citric ...

Nov 25, 2025 in Energy & Green Tech
Tech Xplore / Rare mineral by-products offer sustainable boost to concrete innovation

Flinders University researchers are turning mining waste into a powerful tool for sustainable construction—proving that superior construction materials can be developed from unlikely sources.

Nov 25, 2025 in Engineering
Tech Xplore / Student maps where cyclists really go—and why it matters for city planning

A study co-authored by UBC Okanagan Associate Professor Dr. Mahmudur Fatmi and doctoral student Bijoy Saha uses Okanagan travel-diary data to model destination choices across full bike "tours."

Nov 25, 2025 in Automotive
Tech Xplore / ULTRARAM beyond the lab: The gap between elegant physics and commercial viability

Recent research from a University of Adelaide academic has outlined the gap between scientific reality and whether a promising technology reaches commercial production. Adjunct Lecturer Dr. Dominic Lane, School of Electrical ...

Nov 25, 2025 in Hardware
Tech Xplore / Low-cost green hydrogen: New electrode design dramatically reduces wear in membrane electrolyzers

A University of California, Berkeley chemist has engineered a new technology that could make hydrogen-producing fuel cells last longer and hasten the arrival of cost-competitive, eco-friendly versions of the fuel source.

Nov 24, 2025 in Engineering