Robotics

Porous 3D-printed feet cut quadruped robot power use

Quadruped robots, which walk on four legs, are increasingly used for tasks such as inspection, transportation and search-and-rescue operations. However, their repeated leg movements consume far more energy than the rolling ...

Robotics

This robot can snuff out wildfires with a cryogenic spray

About 20 years ago, Yiannis Levendis, a professor of mechanical and industrial engineering at Northeastern University, was working on an experiment to find an alternative to coal—grinding up old car and truck tires and burning ...

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 ...

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