teachers, nurses and firefightes support prop 51. prop 51 will upgrade libraries, science labs, and classroom technology and relieve school overcrowding creating more opportunity . . . and better learning for students help students succeed vote yes on 51. hey, hackers. how many of you built an awesome project this weekend? >> the hack-a-thon is coming to a close. >> everybody give it up for stockpile. [ applause ] >> robot recycle. up there. >> james's team didn't win