Registration is now open for two Saturday-morning sessions of Science on Saturday, on December 10 at MIT’s Lincoln Laboratory (244 Wood Street in Lexington).   The topic will be Robotics, presented by Members of Robotics Outreach at Lincoln Laboratory (ROLL).  All children (5-17 years) must be escorted by an adult, and every adult must be escorted by a child or children.  Children under 5 are not admitted.  Admission is free but each person attending must be registered.  Space is limited, so register online soon for either Session 1 (9AM to 10:30AM) or Session 2: 10:45AM to 12:15PM).  Adults must bring government photo identification.  See other rules on the registration pages.