Silent Flight: New Drone Is Powered By An Ionic Wind Requiring No Moving Parts | Discover Magazine
Will the physics add up for near-silent, ion-propelled cargo drones?
Too noisy – like a swarm of bees”: Can ion propulsion mute the sound of drones? - Urban Air Mobility News
Applied Sciences | Free Full-Text | Analysis of the Efficiency of the Electrohydrodynamic Propulsion Based on the Biefeld-Brown Effect for Manned and Unmanned Aircrafts