Saturday, October 12, 2019

NASA to test its first all-electric plane, the X-57

12 propellers. Huh. I'd think the extra weight and blocking of the wing would be an issue:

https://bigthink.com/technology-innovation/electric-aircraft

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This New Building Material Doesn’t Emit Carbon – It Traps It

https://scitechdaily.com/this-new-building-material-doesnt-emit-carbon-it-traps-it/