Joseph Barzelay
Posted 5 years ago by clang51 in category: geeky   Comments (0)


Posted 6 years ago by boyt in category: animals   Comments (0)


Posted 2 years ago by hanks in category: geeky   Comments (0)



Bill reveals the engineering design of a NERF blaster, including how it shoots only one dart at a time using a novel air restriction mechanism.
Posted 3 years ago by Ankaraboy in category: technology   Comments (0)