Tech Xplore news

Tech Xplore / Exploring how negative electricity prices influence consumer behavior

In some cases, and for limited periods, energy suppliers can generate more energy than is needed, which can lead to so-called negative prices. This is typically observed in wind and solar energy, for instance, during particularly ...

Dec 12, 2025 in Business
Tech Xplore / First monolithic 3D chip built in U.S. foundry delivers major AI speed gains

A collaborative team has achieved the first monolithic 3D chip built in a U.S. foundry, delivering the densest 3D chip wiring and order-of-magnitude speed gains.

Dec 12, 2025 in Hardware
Tech Xplore / 'Periodic table' for AI methods aims to drive innovation

Artificial intelligence is increasingly used to integrate and analyze multiple types of data formats, such as text, images, audio and video. One challenge slowing advances in multimodal AI, however, is the process of choosing ...

Dec 12, 2025 in Computer Sciences
Tech Xplore / More brines could be mined for lithium with counterintuitive method

Lithium could be selectively extracted from "low quality" brines using a surprising mechanism discovered at the University of Michigan. The technology could help make brine lakes rich in magnesium a more sustainable source ...

Dec 12, 2025 in Engineering
Tech Xplore / Molecular fine-tuning boosts tandem solar cell efficiency to 31.4%

Perovskite-silicon tandem solar cells are considered a key technology for photovoltaics. Because of their design, they use sunlight more efficiently than conventional silicon cells. While the upper perovskite layer absorbs ...

Dec 12, 2025 in Energy & Green Tech
Tech Xplore / Organic solar cells achieve 20.02% efficiency with new giant acceptors

A research team has developed novel giant acceptors with an oxygenated linker, enabling the creation of highly efficient nonhalogenated-processed organic solar cells (OSCs), with a power conversion efficiency (PCE) of up ...

Dec 12, 2025 in Engineering
Tech Xplore / GPT‑5.2: OpenAI beefs up GPT models in AI race with Google

OpenAI released its latest artificial intelligence models on Thursday, shrugging off worries about how it will cash in on massive spending in its technology race with Google.

Dec 12, 2025 in Machine learning & AI
Tech Xplore / New system efficiently explains AI judgments in real-time

A research team led by Professor Jaesik Choi of KAIST's Kim Jaechul Graduate School of AI, in collaboration with KakaoBank Corp, has developed an accelerated explanation technology that can explain the basis of an artificial ...

Dec 12, 2025 in Computer Sciences
Tech Xplore / Humanoid robots take center stage at Silicon Valley summit, but skepticism remains

Robots have long been seen as a bad bet for Silicon Valley investors—too complicated, capital-intensive and "boring, honestly," says venture capitalist Modar Alaoui.

Dec 12, 2025 in Robotics
Tech Xplore / Can AI be a good creative partner?

What generative AI typically does best—recognize patterns and predict the next step in a sequence—can seem fundamentally at odds with the intangibility of human creativity and imagination. However, Cambridge researchers ...

Dec 12, 2025 in Consumer & Gadgets
Tech Xplore / New window insulation blocks heat, but not your view

Physicists at the University of Colorado Boulder have designed a new material for insulating windows that could improve the energy efficiency of buildings worldwide—and it works a bit like a high-tech version of Bubble ...

Dec 11, 2025 in Engineering
Tech Xplore / Transistor 'design limitation' actually improves performance, scientists find

What many engineers once saw as a flaw in organic electronics could actually make these devices more stable and reliable, according to new research from the University of Surrey and Joanneum Research Materials.

Dec 11, 2025 in Engineering