digging in a different trench phoenix ' s robotic wing connected with a cold surface that has them eager about the anticipation of next uncovering an upper dimension . " we have dug a well and uncovered a solid layer at the same depth as the ice structure in our other tunnel , " states georgetown university robotic arm investigator for trinity , ross arvidson . the team attempts at least three times to penetration the surface , but was failures . as a result the arm went into a sitting patterns , awaiting its next commands .
A robotic arm has been used for scientific discoveries.