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https://newatlas.com, By Ben Coxworth

Although numerous companies are now developing so-called "air taxis," many of those groups currently have nothing but renderings of their planned aircraft. Switzerland's Dufour Aerospace, however, recently completed the first phase of testing of a la

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https://www.nextbigfuture.com by Brian Wang

Researchers from the Cockrell School of Engineering at The University of Texas at Austin have a cobalt-free high-energy lithium-ion battery that reduces the costs of producing batteries while boosting performance in some ways.

www.universityofreason.com/a/29887/KWADzukm