Lsuoma wrote: ↑
Tue Apr 16, 2019 5:13 pm
screwtape wrote: ↑
Bhurzum wrote: ↑
When the flame eats through the plastic and releases the fuel under pressure...well, I'm sure you can imagine the hilarity. I've been hit on the side of the head by one of these "mini RPG" attacks (it's a common prank in Army bars) and can confirm that it's extremely amusing. Not as funny as the classic "powdered CS tablet in the ashtray" gag (no pun!) but still worth a laugh.
Note: I'm in no way responsible
for the results of anyone trying this jape. On your own head be it!
Talking of which, some of you may have been lucky enough to live in a time or place so unregulated you could buy ammonia and iodine crystals. Mix them together and the slurry that precipitates is nitrogen tri-iodide, which is safe when wet, but after drying is so unstable that simply looking at it will make it detonate. My father showed me how to do that, leaving it to dry on a sheet of paper in the sun. When a fly would land on it - crack! It seems that when he was in the RE '39-'46 he painted some on the door handle of a sergeants' mess. Bloody lucky the victim kept his fingers, but I guess they were all a lot more comfortable around explosives at the time.
Yeah, doing a PhD in chemistry allowed all sorts of fun like that. we used to take sticks of potassium, 2.5 x 2.5 cm coss-section, about 20 cm long, and throw them in the harbour at Bristol. Lead azide was another fun one to make, as was TNG and TNE (think TNT-like).
I'm surprised I survived - we used to get blitzed on a Friday or Saturday, and then do lab work!
:o :o :o
And now you know why bench chemists have a lower life expectancy than average: They're fucking insane.
(Apologies if I've told these stories before...)
Back when I was doing this stuff I needed a substantial quantity of anhydrous diethyl ether - for some Grignard reactions, if memory serves. Ether absorbs water like crazy - from the air even, so the usual way to make it is to put lumps of metallic sodium in regular lab ether.
I ended up with a bunch of lye coated sodium scrap. No problem - you neutralize it first with alcohol, then slowly add water, then send it down the drain.
The professor I was working with - whose name, believe it or not, was Zinc - came in as I was doing this. He told me I was wasting alcohol, grabbed all the remaining sodium and dumped it directly in the water. Where of course it exploded. When the clothes I was wearing came out of the dryer they were riddled with thousands of small holes where tiny fragments of sodium had landed and stuck. Kind of a neat look, actually.
In regards to ammonium triiodide, I had a pair of "chemist" roommates who were into that stuff. They decided that since tincture of iodine and household ammonia was cool, iodine crystals and 10 molar lab ammonia would be even cooler. And made enough to half fill a 500ML beaker. And left it in the sun. I came in, saw it was sort of turning over on its own, and decided it had to go. I carefully carried it into the bathroom and alternated pouring a little into the sink with running the water. I had almost all of down when I made the mistake of swirling the water in the sink. The resulting explosion was strong enough to crack the sink and blow the mixture into the light fixtures on the other side of the bathroom. I was covered with it, of course - thankfully I was wearing glasses at the time. It took hours to clean up - every bit of grout had to be scraped to get rid of the brownish purple stains.
The good news is after the skin on my face finished peeling I didn't have acne for almost a year. And hey, I'm sure they got the molarity computation right. These things matter, right?