Tech Xplore news

Tech Xplore / Experts outline evidence-based strategies for responsible AI policy development

As policymakers in the U.S. and globally consider how to govern artificial intelligence technology, Berkeley researchers have joined with others to recommend opportunities to develop evidence-based AI policy.

Aug 1, 2025 in Machine learning & AI
Tech Xplore / New strategy can directly pattern 2D materials into high-quality wafer-scale arrays

Two-dimensional (2D) semiconductors, materials that can conduct electricity and are only a few atoms thick, are promising alternatives to the conventional silicon-based semiconductors currently used to fabricate many electronics. ...

Jul 31, 2025 in Engineering
Tech Xplore / Freestanding hafnium zirconium oxide membranes can enable advanced 2D transistors

To further reduce the size of electronic devices, while also improving their performance and energy efficiency, electronics engineers have been trying to identify alternative materials that outperform silicon and other conventional ...

Tech Xplore / A thermodynamic approach to machine learning: How optimal transport theory can improve generative models

Joint research led by Sosuke Ito of the University of Tokyo has shown that nonequilibrium thermodynamics, a branch of physics that deals with constantly changing systems, explains why optimal transport theory, a mathematical ...

Jul 31, 2025 in Machine learning & AI
Tech Xplore / Light-sensitive materials mimic synapses in the brain

An interdisciplinary research team has engineered a new class of organic photoelectrochemical transistors (OPECTs). These tiny devices can convert light into electrical signals and mimic the behavior of synapses in the brain. ...

Tech Xplore / AI can help you die by suicide if you ask the right way, researchers say

Most of the companies behind large language models like ChatGPT claim to have guardrails in place for understandable reasons. They wouldn't want their models to, hypothetically, offer instructions to users on how to hurt ...

Jul 31, 2025 in Security
Tech Xplore / Flexible perovskite cells enable efficient solar harvesting even in high humidity

The Energy & Environment Materials Research Division of the Korea Institute of Materials Science (KIMS), led by Dr. Dong-chan Lim and Dr. So-yeon Kim, has developed a highly durable flexible perovskite solar cell material ...

Jul 31, 2025 in Engineering
Tech Xplore / AI tool transforms drone images into instant disaster area maps for responders

A tool developed at Texas A&M University is set to transform how emergency responders assess damage after disasters. The technology, known as CLARKE (Computer vision and Learning for Analysis of Roads and Key Edifices), uses ...

Jul 31, 2025 in Hi Tech & Innovation
Tech Xplore / AI can evolve to feel guilt—but only in certain social environments

Guilt is a highly advantageous quality for society as a whole. It might not prevent initial wrongdoings, but guilt allows humans to judge their own prior judgments as harmful and prevents them from happening again. The internal ...

Jul 30, 2025 in Computer Sciences
Tech Xplore / Is ancient Roman concrete more sustainable than modern concrete?

Ancient Roman concrete, which was used to build aqueducts, bridges, and buildings across the empire, has endured for over two thousand years.

Jul 30, 2025 in Engineering
Tech Xplore / Wafer-scale 2D InSe semiconductors achieve record performance for next-generation electronics

In an advancement for next-generation electronics, researchers from the International Center for Quantum Materials at Peking University in collaboration with Renmin University of China have successfully fabricated wafer-scale ...

Tech Xplore / New algorithm enables efficient machine learning with symmetric data structures

If you rotate an image of a molecular structure, a human can tell the rotated image is still the same molecule, but a machine-learning model might think it is a new data point. In computer science parlance, the molecule is ...

Jul 30, 2025 in Computer Sciences