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Electronics & Semiconductors
Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
Over the past few decades, solar cells have become increasingly widespread, with a growing number of individuals and businesses worldwide now relying on solar energy to power their homes or operations. Energy engineers worldwide ...
6 hours ago
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Engineering
Using the skin's electrical conductance to track sweat loss during both physical and mental activities
Over the past decades, electronics engineers have developed a wide range of wearable devices that can be used to track some physiological processes and collect health or fitness-related data. These devices rely on miniature ...
Apr 25, 2025
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More power grid connectivity in Western US could supercharge clean energy
A new study led by researchers at the University of California San Diego offers a first-of-its-kind look at how deeper coordination among Western U.S. states could lower the cost of decarbonizing the electric grid—and speed ...
Apr 25, 2025
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A shortcut to AI computation: In-memory computing overcomes data transfer bottlenecks
As artificial intelligence (AI) continues to advance, researchers at POSTECH (Pohang University of Science and Technology) have identified a breakthrough that could make AI technologies faster and more efficient.
Apr 25, 2025
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Cutting the complexity from digital carpentry: System turns simple sketches into digital schematics
Many products in the modern world are in some way fabricated using computer numerical control (CNC) machines, which use computers to automate machine operations in manufacturing. While simple in concept, the ways to instruct ...
Apr 25, 2025
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Computer Sciences
Spy vs. spy: A new automated removal tool can stop most remote-controlled malware
Cyberattacks can snare workflows, put vulnerable client information at risk, and cost corporations and governments millions of dollars. A botnet—a network infected by malware—can be particularly catastrophic. A new Georgia ...
Apr 25, 2025
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Security
'Poisoned' AI models can unleash real-world chaos; study shows how these attacks could be prevented
An unrelenting, ravenous appetite for more and more data may be artificial intelligence's fatal flaw; or at least the fastest way for "poison" to seep in.
Apr 24, 2025
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Software
Diagram-based language streamlines optimization of complex coordinated systems
Coordinating complicated interactive systems, whether it's the different modes of transportation in a city or the various components that must work together to make an effective and efficient robot, is an increasingly important ...
Apr 24, 2025
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Engineering
'Cold' manufacturing approach solves fabrication challenge for solid-state batteries
Lithium-ion batteries have been a staple in device manufacturing for years, but the liquid electrolytes they rely on to function are quite unstable, leading to fire hazards and safety concerns. Now, researchers at Penn State ...
Apr 24, 2025
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Engineering
Combining electrical and force signals boosts prosthetic hand accuracy
Combining two different kinds of signals could help engineers build prosthetic limbs that better reproduce natural movements, according to a new study from the University of California, Davis. The work, published April 10 ...
Apr 24, 2025
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Engineering
Semiconductor nanowires capture diffuse sunlight to split water and store energy as hydrogen
A U of A engineering researcher is using sunlight and semiconductor catalysts to produce hydrogen by splitting apart water molecules into their constituent elements.
Apr 24, 2025
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Computer Sciences
A new way to measure uncertainty provides an important step toward confidence in AI model training
It's obvious when a dog has been poorly trained. It doesn't respond properly to commands. It pushes boundaries and behaves unpredictably. The same is true with a poorly trained artificial intelligence (AI) model. Only with ...
Apr 24, 2025
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Computer Sciences
Algorithm can make AI responses increasingly reliable with less computational overhead
ChatGPT and alike often amaze us with the accuracy of their answers, but unfortunately, they also repeatedly give us cause for doubt. The main issue with powerful AI response engines (artificial intelligence) is that they ...
Apr 24, 2025
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Robotics
Robotic system zeroes in on objects most relevant for helping humans
For a robot, the real world is a lot to take in. Making sense of every data point in a scene can take a huge amount of computational effort and time. Using that information to then decide how to best help a human is an even ...
Apr 24, 2025
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Business
High-powered solar cells aim to replace batteries in low-power electronics
The basic technology behind Ambient Photonics's solar cells is so simple that it's routinely assembled as a high school science experiment. In labs across the U.S., students sandwich blackberries' potent pigment between glass ...
Apr 24, 2025
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Computer Sciences
AI model of language in the brain captures both how neurons are arranged and how they function
Neurons—the nerve cells responsible for transmitting electrical and chemical signals throughout the body—are organized in tissue, tending to cluster together in groups according to how they function. For example, language ...
Apr 24, 2025
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