Careful planning and simulation is invaluable, but it can also be rewarding to dive directly into prototyping. This is the approach [Carl Bugeja] took with his Spherical Folding Propeller design which ...

Move over, Amazon delivery drones and camera drones. The paper-plane drone is here. Using a kit called PowerUp 3.0, paper planes can become miniature drones. The kit offers a miniature propeller with ...