Last update
Business
Instacart is charging different prices to different customers in a dangerous AI experiment, report says
The grocery delivery service Instacart is using artificial intelligence to experiment with prices and charge some shoppers more than others for the same items, a new study found.
14 hours ago
0
0
Business
Making clean energy investments more successful with forecasting tools
Governments and companies constantly face decisions about how to allocate finite amounts of money to clean energy technologies that can make a difference to the world's climate, its economies, and to society as a whole. The ...
17 hours ago
0
0
Beyond mimicry: Fiber-type artificial muscles outperform biological muscles
Biological muscles act as flexible actuators, generating force naturally and with an impressive range of motion. Unsurprisingly, scientists and engineers have been striving to build artificial muscles that mimic these abilities. ...
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 ...
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
1
51
Computer Sciences
'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
0
48
Engineering
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
0
0
Technology news
Energy & Green Tech
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
0
51
Engineering
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
0
0
Machine learning & AI
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
0
37
Computer Sciences
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
0
23
Robotics
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
0
0
Consumer & Gadgets
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
0
6
Engineering
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
0
25
Engineering
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
0
59
Energy & Green Tech
Simple teflon coating boosts hydrogen production efficiency by 40%
A common non-stick coating used in cookware has been shown to enhance hydrogen production efficiency in water electrolyzers by approximately 40%. The key innovation involves applying a specialized coating to critical components ...
Dec 11, 2025
0
15
Engineering
Carbon capture made easier: Simple additive could slash costs for industrial plants
Capturing carbon dioxide from industrial plants is an important strategy in the efforts to reduce the impact of global climate change. It's used in many industries, including the production of petrochemicals, cement, and ...
Dec 11, 2025
0
2
