First wave-propelled robot swims, crawls and climbs using a single, small motor

(American Associates, Ben-Gurion University of the Negev) "The robot requires barely any maintenance, which is very unusual for an almost completely 3-D-printed prototype that's this dynamic," Zarrouk says. "I believe it will be useful for traveling through the intestine for imaging and biopsies, and for infiltrating problematic, complex security areas, such as tunnels, destroyed buildings and pipes."