post the nerdiest joke you know

[wmspringer]

[ QUOTE ]
[ QUOTE ]
[ QUOTE ]
What do you call this?



<font color="white"> a Ferrous Wheel </font>

[/ QUOTE ]

I like this one.

[/ QUOTE ]
could someone explain this and the cdr joke?

[/ QUOTE ]

Fe is the chemical symbol for iron. (Ferrum in Latin) A ferrous object is made out of or contains iron. Thus, the above is a ferrous (Ferris) wheel.

car and cdr are similar operations in lisp.