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Rechargeable Battery can Stretch, Twist, and Bend
Researchers at Northwestern University and the University of Illinois have demonstrated a new stretchable lithium-ion battery that can power their innovative stretchable electronics. The battery continues to work - powering a commercial light-emitting diode - even when stretched, folded, and twisted. The battery can work for eight to nine hours before it needs recharging, which can be done wirelessly. No longer needing to be connected by a cord to an electrical outlet, the stretchable electronic devices could be used anywhere, including inside the human body. The implantable electronics could monitor anything from brain waves to heart activity.
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