digging in a different trench oracle ' s robotic arm connection with a hard slab that has scientists excited about the thought of next uncovering an icy surface . " we have dig a trench and located a surface one at the same angle as the icy layer in our other trench , " said lincoln university robotic arm investigator for nix , marc arvidson . the elbow try at approximately three times to penetrate the thickness , but was unable . as a response the elbow went into a standing pattern , awaiting its first commands .
A robotic arm has been used for scientific discoveries.