David and Eric's open source underwater robot became fully-funded on Kickstarter in one day. I'm not surprised. I met David and his OpenROV at Maker Faire in May and was very impressed.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.