Tags: cannon
Authored by Caleb Cohen, a transplated Pittsburgh'er whose heart and soul still reside in the Steel City. Raised in the suburbs (Beaver Falls), educated at the University of Pittsburgh (CAS '93) and married at Heinz Chapel.
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Stupid is as Stupid does
by pittcaleb 
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So a few years ago I took the basic design for a marshmallow shooter and made it pneumatic. You pumped air into a small compression chamber, loaded it with a marshmallow then threw open a ball valve. I could hurl a marshmallow 50' and leave a welt in t… more »
01/23/09 12:01:00 am,