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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.

Automotive

AI tech proactively prevents subway door entrapment accidents

A research team led by Professor Jo Woon Chong of the School of Electronic and Electrical Engineering at Sungkyunkwan University (SKKU), in collaboration with researchers from KAIST and Texas Tech University in the United ...

Engineering

Fine-tuned perovskites make blue LEDs more vibrant

Over the past decade, perovskite LEDs have become increasingly vibrant and affordable to produce. With careful tweaks to their chemical composition, these crystal-based light emitters can be tuned across the visible spectrum—matching ...

Engineering

Mechanical engineers develop buttons that rise with light

No wires. No actuators. Shine light on the metal surface, and it rises like a button. KAIST researchers have developed a metal structure that changes shape using light, without any light-absorbing coating. This technology ...

Consumer & Gadgets

Pocket-size AI: Powerful phones star at China show

Tech firms are racing to roll out advanced smartphones that use artificial intelligence to do everything from ordering food to composing messages with a simple voice command.

Engineering

3D-printed bridge points the way to greener construction

Concrete is the most widely used building material on Earth, and producing it is one of the largest single sources of carbon emissions. One promising way to reduce its environmental footprint is to 3D-print concrete, laying ...