Scientists develop flags that can produce energy from the wind and sun

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Scientists develop flags that can produce energy from the wind and sun https://cnb.cx/2WVb7gk The flags are able to power remote sensors and small-scale portable electronics. https://ift.tt/2PddWW7 February 12, 2019 at 02:41AM Energy https://cnb.cx/2KU3Ztw

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