Watch a two-legged robot balance and spin thanks to drone propellers

Humanoid robots have come a long, long way since Honda’s Asimo took a nasty tumble down the stairs. Heck, we’re seeing full gymnastics routines from the Boston Dynamics Atlas now.
But why should robots be limited by their legs, even if that’s their primary propulsion? That’s a question Caltech is toying with on its new LEONARDO robot, short for “LEgs ONboARD drOne,” and this is the first real video of it in action (via BoingBoing).
Simply put, it’s a rel