Several years ago, a joint team from Canada’s York, McGill and Dalhousie universities created AQUA, an underwater swimming robot. AQUA has six flippers, three on each side, and uses them to paddle through the water – it’s somewhat reminiscent of a platypus, albeit a six-legged one. Using a…
or get this guy to do it for you
Great idea, Curious Droid covered NASA’s investigation into developing them for planetary research.
THIS!
sort of this, but i guess you meant it floats
An airship spacecraft is in the pipeline I think