humba, humba, humba. [laughter] follow me, i'll make your crops grow. you guys get out there and tow the fields and i'll humba, humba, humba, okay? come on, gang. what's going on here? any of the guys know? did you ever throw a dice in reno and all the time, man and seven comes up, huh? guess why. it's loaded, honey. guess where this was made. las vegas, okay? [laughter] see what i got inside there? see that little hole there? inside there is buried something-- begins with l, ends with "ed". try it. lead. and that lead does what to the center of gravity, gang? makes it in the middle? no. off the middle. so the center of gravity now is off center. in fact, when it settles like that, you know that the center of gravity now is what? must be right above-- right on there. must be sitting like that. ain't that neat? can you see that? yay. center of gravity. let's talk about seesaws, seesaws. seesaw in the park, kids playing on the seesaw. the law of seesaws is rather simple. it's just torques like we've been ta