human visitors. it is open until mid january next year. and finally this week, another robot sharing space with humans, this time in california. meet the legs on board drone, leo for short. research at caltech wanted to get a robot that can jump and fly to develop a new form of locomotion. leo can ride a skateboard and walk on a slack line. the right music makes things better. it can change our mental state, and emotion to movies and and even help us move when it is hard to keep putting one step in front of the other. yet while so putting one step in front of the other. yet while so many putting one step in front of the other. yet while so many of us consume music, playing an instrument feels out of reach. but you no longer need 10,000 hours to create something beautiful. you just need a different kind of instrument. this is the harmony engine,