
Shape-changing plane wing
https://www.techexplorist.com/shape-changing-plane-wing/21967/
Submitted March 31, 2019 at 11:07PM by pranjalmehar
via reddit https://www.reddit.com/r/geek/comments/b7xork/shapechanging_plane_wing/?utm_source=ifttt
Recently read the news about NASA preparing a helicopter to be used on Mars. Just a little doubt how they are going to create enough thrust to propel and lift the copter?