I'll start with who, what, where, and when, followed by whither, whether, wherefore and whence, and follow that up with a big side-order of 'why' -- Douglas Adams, The Hitch-Hiker's Guide to the Galaxy, Episode 11
A PEN that’s made out of SOLID METAL? And instead of ink, it leaves a trail of metal residue? AMAZING! No. Wait. Isn’t that what us old-timers used to call a “pencil”?