Robot can fly, swim or hitch a ride by sticking to other objects
https://www.newscientist.com/article/2320472-robot-can-fly-swim-or-hitch-a-ride-by-sticking-to-other-objects/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Robot can fly, swim or hitch a ride by sticking to other objects