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

Computer scientists unveil novel attacks on cybersecurity

Researchers have found two novel types of attacks that target the conditional branch predictor found in high-end Intel processors, which could be exploited to compromise billions of processors currently in use.

Electronics & Semiconductors

Holographic displays offer a glimpse into an immersive future

Setting the stage for a new era of immersive displays, researchers are one step closer to mixing the real and virtual worlds in an ordinary pair of eyeglasses using high-definition 3D holographic images, according to a study ...

Computer Sciences

New mitigation framework reduces bias in classification outcomes

We use computers to help us make (hopefully) unbiased decisions. The problem is that machine-learning algorithms do not always make fair classifications if human bias is embedded in the data used to train them—which is often ...

Computer Sciences

New logarithmic step size for stochastic gradient descent

The step size, often referred to as the learning rate, plays a pivotal role in optimizing the efficiency of the stochastic gradient descent (SGD) algorithm. In recent times, multiple step size strategies have emerged for ...

Software

New apps help researchers with statistical analyses of data

It's a sign of the times: an app store for omics enthusiasts. The Multi-Omics Analysis Portal (MAP) by the end of 2024 will be a one-stop shop for computer applications capable of making sense of various and vast omics data. ...