Science Bob Pflugfelder Performs More Awesome Science Experiments on ‘Jimmy Kimmel Live’

Science enthusiast and teacher Science Bob Pflugfelder returns to Jimmy Kimmel Live (previously) to teach host Jimmy Kimmel about polymer “diaper science,” show off his propane pop gun, and shoot 450 ping-pong balls with high-powered liquid nitrogen cannons. See more of Science Bob’s experiments on his YouTube channel.