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Consumer & Gadgets

Ultrasound and AI turn off-the-shelf smartwatch into full-body tracker without cameras

For the first time, researchers can track the movement of a person's entire body with ultrasonic sound waves, using just an off-the-shelf smartwatch and a lightweight artificial intelligence model—all while ensuring privacy ...

Electronics & Semiconductors

Engineers challenge 90-year limitation in digital audio sensing

What does a faint heartbeat have in common with a thunderous concert? Both present a challenge for digital technology: capturing the quietest details without losing the loudest sounds.

Robotics

PRISM helps robots move better by learning how forces and motion interact

A new neural network component, developed at University of Michigan Engineering, challenges a common assumption in robot learning: that the same general-purpose neural networks used for image recognition are equally suited ...

Engineering

Shape-shifting rubber blades could make tidal power cheaper

Fitting tidal turbines with flexible rubber blades could enable the machines to generate cheaper power by making them simpler and tougher, a study published in the journal Nature suggests.

Technology news

Automotive

New methods improve 3D scene reconstruction and robot mapping

A research team led by professor Zhu Hui from the Institute of Intelligent Machines at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed two methods to improve reconstruction fidelity, ...

Consumer & Gadgets

Radar wristband turns your arm into a smartwatch trackpad

Researchers at North Carolina State University have developed technology that turns a smartwatch user's forearm into a trackpad, allowing the user to scroll, zoom, click on icons and so on. The system relies on a radar system ...