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Harvesting energy from nature's motions

Researchers at Duke University created a non-linear device that can convert a range of vibrations into electricity, improving efficiency over traditional linear devices. This technology has the potential to power small electronic devices, such as pacemakers and cardiac defibrillators, and even sensors in ocean buoys and spacecraft.

SourceDuke University·JournalApplied Physics Letters·DateOct 30, 2009

Soldiers turn a march into a charge

Engineers at the University of Leeds are developing a system to harness kinetic energy from soldiers' marches, capturing up to 15% of their foot-power to reduce pack weight. The project also aims to adapt radio equipment to run on low power budgets, enhancing soldier mobility and reducing fatigue.