<blockquote><div><cite>mistydolphin wrote:</cite>(heres one)<br/><br/>it can be seen by the naked eye, is lighter than air, and if put in a barrel, itll make the barrel lighter. what is it?<br/><br/>(extra credit if you can guess the old show this is from)</div></blockquote><br/><br/>You are supposed to answer his riddle before you post one of your own.