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Scientists Develop Motor-free Device That Eases Walking Strain

  • George Putic

Devices that help people walk were once thought to be impossible to design without some kind of auxiliary power. But U.S. scientists at Carnegie Mellon University and the University of North Carolina have built a small, wearable addition to ordinary shoes that reduces the burden on the calf muscle and makes walking easier. VOA’s George Putic reports.

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