Everest. Any time he is bored I see him Mount Everest.
A horses shadow!
The OUTSIDE! oh-my-goodness, that's hilarious! Skip
Nothing, you can't cross a scaler with a vector.
Nothing, you can't cross a vector by a scalar. EDIT: changed multiply to cross.
Have a rest. (Everest, get it?) Really awful joke, but I thought of it last night and was wondering if anyone recognised it? Who knows, it might be original....