Jellyfish Looking Flying Machine
 This interesting flying machine looks like a Jellyfish flying around. Looks like Mylar film is the choice of lightweight film for these ultra light models. Via: Make  “The prototype has a motor-powered crankshaft that alternately flaps opposing pairs of petal-shaped wings. Though its Mylar film and carbon fiber body weighs less than one-tenth of an ounce, its stability stems from its bottom-heavy design, which lets it wobble, but