Computer Sciences news

Computer Sciences

Improving AI-generated images, pixel by pixel

If you have ever used an artificial intelligence text-to-image generator like ChatGPT or Google Gemini, you may have encountered a common but maddening problem: The image looks nearly perfect, but when you ask the AI to fix ...

Energy & Green Tech

Virtual modeling reveals safety measures for battery-powered mining systems

The mining industry is shifting toward battery-powered equipment to improve efficiency, but lithium-ion batteries pose risks due to their high energy density. They can fail, overheat and, in some cases, catch fire, releasing ...

Computer Sciences

Q&A: How AI came to model the 'messy' human mind

Generative artificial intelligence models are rooted in ideas of mid-20th-century engineers who thought some amount of irrationality was essential for a machine that could think like a human, contends Benjamin Lindquist, ...

Computer Sciences

Strand AI on a desert island, and it starts playing and inventing games

AI agents tend to do things when we give them specific commands, such as analyzing data and answering questions. But what would they do if left to their own devices?

Computer Sciences

Can AI understand space, time and pain?

Artificial intelligence can do remarkable things, but how much does it actually understand about the world? Researchers have found that surprisingly specific information can be extracted from the inner workings of large language ...

Electronics & Semiconductors

Tiny droplets form soft networks for brain-inspired computing

Inside the human brain, billions of individual neurons connect to form a vast network capable of rapidly processing information and electrical signals. A team of researchers and engineers at Penn State is taking inspiration ...

Computer Sciences

Can scientists build a lie detector for AI chatbots?

Ask an AI chatbot for some medical advice and it might recommend you head to the hospital when all you really have is indigestion. One of the biggest issues with AI chatbots today is that they can still share false information, ...

Computer Sciences

The tests that grade AI may be getting it wrong

Before a new AI model reaches the public, its developers run it through a battery of tests known as "benchmarks," which score it on everything from reasoning ability to how safe it is for people to use. Billions of investment ...

Computer Sciences

New AI testing method flags fairness risks in autonomous systems

Artificial intelligence is increasingly being used to help optimize decision-making in high-stakes settings. For instance, an autonomous system can identify a power distribution strategy that minimizes costs while keeping ...

Computer Sciences

Can AI understand literature? Researchers put it to the test

Even with all the recent advances in the ability of large language models (like ChatGPT) to help us think, research, summarize, and learn complex and technical texts, how do they fare in understanding storytelling and literature? ...

Computer Sciences

AI model excels in single image reflection removal

Capturing a picturesque scene through reflective materials, such as glass, often results in an unintended superimposition—showing both the transmitted scene and the undesired reflected scene. While traditional reflection ...

Robotics

Sheepdogs reveal a better way to guide robot swarms

Sheepdogs, bred to control large groups of sheep in open fields, have demonstrated their skills in competitions dating back to the 1870s. In these contests, a handler directs a trained dog with whistle signals to guide a ...

Computer Sciences

What flocking birds can teach AI about reducing noise

Among the primary concerns surrounding artificial intelligence is its tendency to yield erroneous information when summarizing long documents. These "hallucinations" are problematic not only because they convey falsehoods, ...

Computer Sciences

Shortest paths research narrows a 25-year gap in graph algorithms

Most of you have used a navigation app like Google Maps for your travels at some point. These apps rely on algorithms that compute shortest paths through vast networks. Now imagine scaling that task to calculate distances ...