Helios Horizon claims to have made "the first flight of a human-piloted electric plane powered by solid-state batteries." Some #battery experts would quibble with their definition of #solidstatebatteries but, as I report for The Air Current, it's still an impressive achievement. #aviation #electricaviation https://theaircurrent.com/feed/dispatches/helios-horizon-solid-state-battery-tech-crewed-electric-flight/