A robot and robot system that are capable of functioning in a zero-gravity environment are provided. The robot can include a body having a longitudinal axis and having a control unit and a power source. The robot can include a first leg pair including a first leg and a second leg. Each leg of the first...http://www.google.co.uk/patents/US7996112?utm_source=gb-gplus-sharePatent US7996112 - Robot and robot system
