Engineers have demonstrated something marvelous.
It's not a development that's ready for practical application, but it does, its creators say, transcend some of the limitations of other harvesters. All the material needs is to be pocked with nanopores less than 100 nanometers in diameter. That's around a thousandth of the width of a human hair, so easier said than done but far simpler than expected.
If Air-gen sounds familiar, it's because the team previously developed an air energy harvester. However,Well, as it turns out, the bacterium isn't necessary.
This produces an effect similar to what we see in lightning-producing clouds: rising air creates more collisions between water droplets at the top of a cloud, resulting in an excess of positive charge in higher clouds and an excess of negative charge in lower ones.
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