mister who? street. mr. street. you got it. all right. all right. physics types. we're hot today. if you'd be understanding this, you can answer this kind of question. well, let's s put it right back over in here. i'm gonna take a baseball, and i'm gonna put the baseball right here. and i'm gonna let the baseball sink a little deeper to here, and then finally to here. this is position "a," position b, position c. i got a question for you. at which position, "a," b or c, does the baseball experience the greatest pressure? c. check your neighbor. c. because it's deeper. greatest pressure. how many say it's c because it's deeper? how many say, "no, it's a trick question, hewitt. it turns out to be the same at all positions." show of hands. good, good. wonderful, wonderful. let's try this question. at which position, "a," b or c, does the baseball experience the greatest buoyant force? - "a." - check the neighbor. force down is smaller. also the force up-- what's the answer, gang? "a." how many say same everywhere? show of hands. well, let's see who's who. let's pass a piece of paper