An electric plane with no moving parts has made its first flight - MIT Technology Review: https://www.technologyreview.com/s/612451/an-electric-plane-with-no-moving-parts-has-made-its-first-flight
(original)
An electric plane with no moving parts has made its first flight - MIT Technology Review: https://www.technologyreview.com/s/612451/an-electric-plane-with-no-moving-parts-has-made-its-first-flight
(original)