Double-charging material makes a run in the sun extra powerful
Two sources of energy in one self-charging textile may power your fitness tracker someday
![guy running](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/11/112616_lh_tech-fabric_free.jpg?fit=860%2C460&ssl=1)
ENERGIZED A new energy-storing fabric captures energy from the sun and from the wearer's motion simultaneously. The fabric could be used to power wearable electronic devices through exercise or small everyday movements.
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