This one does by turning inside out: http://www.newscientist.com/blogs/nstv/2012/04/flying-object-propels-itself-by-flipping-inside-out.html?cmpid=NLC|NSNS|2012-2304-GLOBAL|flyingobjects&utm_medium=NLC&utm_source=NSNS&utm_content=flyingobjects
http://goo.gl/p2NdK Is that an iPhone controller? Nice background music, too. T
