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Computer Sciences

Virtual markers help smartphone cameras reconstruct lifelike multi-person movement, from hugs to martial arts

For decades, the gold standard for capturing human movement and transferring these data into the digital world has required actors to wear suits with physical markers that cameras track in a specialized studio. While accurate, ...

Energy & Green Tech

Consumer camera modification offers low-cost way to assess solar cell performance

Commercial cameras can be powerful, producing images with exquisite detail that mimic real life. In the lab, specially designed cameras can photograph objects in the infrared region, invisible to the naked eye.

Robotics

Snapping rods let frog-like robot outrun rigid legs across six terrains

Roboticists at the UCLA Samueli School of Engineering and the University of Michigan have shown that elastic rods can be bent and twisted to repeatedly snap between shapes, releasing built-up energy that enables small robots ...

Engineering

Ultrathin film blocks electromagnetic waves while masking infrared heat

A research team led by Dr. Taehoon Kim of the Composites & Convergence Materials Research Division at the Korea Institute of Materials Science (KIMS), collaborated with research teams led by Dr. Seon Joon Kim and Dr. Jaewoo ...

Technology news

Hardware

Toward physical AI: When the hardware becomes the neural network

Digital computing using silicon chips has transformed nearly every aspect of modern life and enabled the remarkable growth of artificial intelligence. But as AI models scale up, that growth comes with increasing demands for ...

Machine learning & AI

AI might be making women sound bad at work

When prompts to draft work emails and job applications contain language commonly used by women, AI chatbots, including ChatGPT, offer less sophisticated responses than they do to requests for office correspondence containing ...

Internet

Research reveals where the internet really slows down

Most people associate network performance with bandwidth, the amount of data that can be transferred per second. However, for many of today's digital services, latency is just as important.

Consumer & Gadgets

Wearable patch vibrates when it detects environmental hazards

Researchers have created a wearable patch that can detect hazards in the environment—such as dangerous gases or heavy metals in water—and then notify wearers by vibrating against their skin. The researchers have also extended ...

Machine learning & AI

AI catches up with humans to score 100% at top math contest

A perfect score at the world's most prestigious math contest used to be the preserve of a handful of bright young minds each year, but for the first time, artificial intelligence has also earned a perfect score.

Energy & Green Tech

Elephant-inspired cement tiles cool buildings without electricity

Inspired by the cracked, water-trapping skin of elephants, Penn researchers have developed a low-cost cement tile that cools buildings by capturing and slowly evaporating water—turning a structural flaw into a climate solution.

Business

Thwarting the hidden resume hacks that target AI hiring tools

In an increasingly competitive job market, some applicants are quietly trying to outsmart AI hiring tools. Now, new research focused on rooting out the practice of "prompt injection" shows how widespread this tactic is.