Researchers create stretchable super capacitors for our next wearables

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Carbon nanotube forests improve the stretchable supercapacitor’s performanceDuke University

The supercapacitors still functioned well when stretched to eight times their original size.

Imagine a new type of supercapacitor that can be repeatedly stretched to eight times its original size, yet still retaining its full functionality. Only after 10,000 cycles of charging and recharging does it start to lose a little percentage of its energy performance.

Researchers from Duke University and Michigan State University (MSU) have done just that. The team sees their novel supercapacitor as part of a power-independent, stretchable, flexible electronic system that could be used in wearable electronics or biomedical devices.

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Acoustic Cloak Material Designed

Acoustic Cloak Material Designed 

 

 Sound waves moving from left to right flow past the object and reform on the other side with no distortion.

City dwellers, rest easy. Engineers have designed a material that redirects sounds and could be used in buildings to shield them from noises. The sound-shielding material, which, if actually made, would be the first acoustic cloaking device, could also be useful in hiding military ships and other vessels from sonar.

 

 

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