Electrospay Engine

"An electrospray engine applies an electric field to a conductive liquid, generating a high-speed jet of tiny droplets that can propel a spacecraft. "https://news.mit.edu/2025/mit-engineers-develop-fully-3d-printed-electrospray-engine-0212?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4