Using a can of compressed air to shoot pen casings across the office.
Step 1: Items:
First, Locate all needed items.
Nice and easy, only need a can of compressed air with attched directional straw.
And a cheap hotel writting device.
Step 2: Prepare
Remove cap and ball pen device. Leaving a suitable projectile.
Attach to compressed air can.
The device is now armed.
(If the can is new, make sure you remove the protective plastic tab...just a little tip from experience)
Step 3: FIRE!
Give a good squeeze on the trigger. Make note not to hold too long and waste air, the more air saved, the more shots.
!! Be warned, the pen will fly with a good bit of speed, so be careful. No one needs to get hurt...and of course, I'm not responsible !!
Attached is a cell phone movie.
(my digital camera was way out in the car, so my treo filled in my lazyness)
Also, with some small sticky notes and some tape, you can yield a keyboard duster missile!
**note, still pending proper testing with a wind tunnel for proper operation**