FRONTPAGE

Cool invention 酷炫发明

作者：21st

Solar charged light

可折叠的太阳能灯。

YOU can put it in your pocket. But if it’s inflated (充气), it turns into a light! This is LumnAID, a solar light that can be on for 16 hours after recharging (充电) with just seven hours of sunlight. Two US students designed it. 21ST

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