Next time you’re basking on the beach, watch out for giant crab robots. The Crabster CR200, a huge six-legged underwater robot, took the plunge earlier this month for the first time. Developed at the Korean Institute of Ocean Science and Technology (KIOST), the Crabster is an alternative to propeller-driven remotely-operated vehicles (ROVs) and autonomous underwater vehicles (AUVs), which are ill-equipped to deal with strong tidal currents in shallow seas.
Read more: Jason Falconer on IEEE Spectrum