A new device can generate electricity from air moisture

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A thin layer of fabric, sea salt, carbon ink, and a special water-absorbing gel are all the ingredients of a new ultra-thin device that can generate electricity from air moisture. The device was invented in Singapore. It is rechargeable and can generate electricity for 150 hours.

 

Photo by: https://unsplash.com/photos/ImcUkZ72oUs

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The first vaccine for bees

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