The solo version is closer to juggling: http://www.engadget.com/2010/12/08/quadrocopters-enter-the-flying-machine-arena-must-bounce-a-ping/ http://www.engadget

The solo version is closer to juggling: http://www.engadget.com/2010/12/08/quadrocopters-enter-the-flying-machine-arena-must-bounce-a-ping/ http://www.engadget.com/2010/12/08/quadrocopters-enter-the-f...