. >> one of the coolest guys on the show, alonzo boden is a comedian who is also an airplane mechanic. so he is funny and he knows a thick or two about how things work. he is also joining us right now. thank you for joining us today. the show is very science oriented. there's a lot of good humor involved in it as well. tell us about it. >> that's the fun part. i mean, fit was all great technology, it would get pretty boring. so we'll tell you how to build a jet pack but we probably won't be able to tell where you to get the money to buy turbine engines and kevlar harness. we're going to show you how to build a lot of things that will upset your neighbors. >> you ate up these kind of shows. i love them. what it is like to actually make the stuff? >> it's educational. it is a lot of fun. there are some things that i knew about. when we went into things like thou build a tank or how a jack hammer works, that type of thing interests me. you pass jack hammers every day. most people thought it was jt something you lean against. but they actually do work. >> now do you break it down to where