Re: OT: Exploding pens
- From: Jon Elson <elson@xxxxxxxxxxxxxxxx>
- Date: Tue, 06 Dec 2005 20:40:37 -0600
Eric R Snow wrote:
On 6 Dec 2005 12:03:45 -0800, pdrahn@xxxxxxxxxx wrote:
Sounds like the old nitrogen tri-iodide trick. Should leave a very
noticable orange stain. Some kids in college used to paint it on door
knobs. Heat from a hand would set it off. Would be easy to fill a ball
point pen cap with it put it on the school grounds to dry. It is only
explosive when dry.
Paul
My Dad told me how to make the stuff. Said don't take it to school. I said OK. Just barely avoided getting in all sorts of trouble with the stuff at school. If the teacher hadn't liked me so much it would have been curtains. ERS
I made several batches of the stuff at college, just for general amusement. Some dips in the dorm filled an envelope with shaving cream, stuck the open end under our door and stomped on the rest of it. It made quite a mess. My roommate ran out and leaned out the hall window to see who was running away. It turned out to be some guys on the other end of our floor. He came back, we looked at each other with big grins and said, OK, let's go see what we can do to them.
We grabbed the NI3 that I "happened" to have sitting around, and dashed down to their room. To our amazement, we even thought it must be a trap, their room had the door standing wide open. I flipped off the lights, and while the bulbs were cooling, we spread out, smearing the NI3 on the back of the cutout where you pull drawers open, on the back of doorknobs, on the back of closet sliding doors, light switches, anything we could think of. Then, I smeared some on the light bulbs, and we left.
We left our door open a few inches and stayed near the door, listening
for the return of a bunch of laughing guys. Sure enough, about 5
minutes later, they return, using the stairs at the far end of the building. They go into their room, probably don't even notice
that somebody has turned their lights off, and flip the switch.
POP! The stuff on the switch goes off. Then, POP....POP....POP
POP all the light bulbs in the room explode with a flash and
glass crashing to the floor! Stuff was blowing up in their
room for weeks, when they happened to touch a fresh spot of
the stuff for the first time.
We didn't get any more tricks at our room the rest of the year.
Jon
.
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