Computer Sciences news

Computer Sciences

A prosthodontic digital guide for reproducing lip–instrument positioning for wind instruments

A digitally fabricated guide developed by researchers at Science Tokyo captures and reproduces the spatial relationship between a musician's lips and an air-reed instrument, such as a shakuhachi flute. By combining facial ...

Computer Sciences

How AI models decide not to answer a question

Large language models (LLMs), the artificial intelligence (AI) systems supporting the functioning of ChatGPT, Gemini and similar conversational platforms, are often expected to answer queries, generate texts for specific ...

Computer Sciences

AI imagines a harsher social world, expecting punishment where people expect inaction

Artificial intelligence (AI) systems, particularly the large language models (LLMs) that underpin ChatGPT and similar platforms, are remarkably skilled at answering queries about a wide range of topics. However, the extent ...

Computer Sciences

'Hardflow' algorithm could help generative AI produce high-quality outputs that obey strict requirements

MIT researchers have developed a new technique that helps generative artificial intelligence models find solutions to high-stakes problems. In these settings, a plausible answer is not enough: The output often must also satisfy ...

Computer Sciences

A blueprint for keeping humans in control of AI

William Overman began his Ph.D. program at Stanford Graduate School of Business at an auspicious moment: just two months before ChatGPT launched publicly in November 2022, exploding the widely held understanding of what machines ...

Software

How randomness tames vast network problems

Networks are everywhere. They connect computers across the internet, carry electricity through power grids and represent transport routes for moving people and goods. Yet many problems that appear to have nothing to do with ...

Computer Sciences

Bringing classical LDPC code design theory to quantum computers

Quantum error correction must detect and correct errors without directly reading the quantum information. Classical low-density parity check (LDPC) codes have a well-established design theory: by choosing how many checks ...

Computer Sciences

'Safe query space' lets AI fix SQL errors without starting over

"Find the best-selling product from last year." When an AI system attempts to answer a question like this by querying a company database, even a single reference to a nonexistent item can cause the query to fail. Until now, ...

Computer Sciences

How AI can help groups stay effective in the classroom and beyond

Small teams—no matter the project they are working on—are constantly sharing information with each other about goals, obstacles and next steps. By talking through options, the group builds a shared understanding of the work. ...

Computer Sciences

Researchers develop the fastest possible flow algorithm

In a breakthrough that brings to mind Lucky Luke—the man who shoots faster than his shadow—Rasmus Kyng and his team have developed a superfast algorithm that looks set to transform an entire field of research.

Computer Sciences

New tool detects AI-generated videos with 93.7% accuracy

Earlier this year, an employee at a multinational corporation sent fraudsters $25 million. The instructions to transfer the money came—the employee thought—straight from the company's CFO. In reality, the criminals had used ...

Engineering

Mechanical computer relies on kirigami cubes, not electronics

North Carolina State University researchers have developed a kirigami-inspired mechanical computer that uses a complex structure of rigid, interconnected polymer cubes to store, retrieve and erase data without relying on ...

Computer Sciences

Researchers propose the next platform for brain-inspired computing

Computers have come so far in terms of their power and potential, rivaling and even eclipsing human brains in their ability to store and crunch data, make predictions and communicate. But there is one domain where human brains ...

Consumer & Gadgets

Quokka: A tiny, personal quantum computer emulator

Bearing the smiling face of one of Australia's cutest marsupials is a device its creators are claiming as the world's first consumer product in quantum computing technology.

Computer Sciences

Correcting biases in image generator models

Image generator models—systems that produce new images based on textual descriptions—have become a common and well-known phenomenon in the past year. Their continuous improvement, largely relying on developments in the field ...