[net.space] Burning Oxygen

jmturn (12/03/82)

"Pure Oxygen burns so nicely"
It is more accurate to say that pure oxygen promotes oxidation so nicely
(no big surprise there...) The key thing to remember is that a spark in
a pure oxygen atmosphere doesn't cause the room to blow up, but if the
spark lands on a couch, the couch is going to be awfully likely to combust
in quick fashion. The reason you don't smoke when O2 is in use is to
prevent your seat/the floor from going up if you drop the bloody thing.

						Flaming without Oxygen
							James

FISCHER@RUTGERS@sri-unix (12/07/82)

From: Ron <FISCHER at RUTGERS>
In reply to James (mitccc!jmturn) message.

Hmm, so I guess now we have seen an anerobic flamer?

Of course on this list there are often quite a few "flames in a vacuum."

(ron)
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REM@MIT-MC@sri-unix (12/08/82)

From: Robert Elton Maas <REM at MIT-MC>
I think you're confusing the transitive and intransitive verb "burn".
Something can burn <intransitive> meaning it itself burns, or
something can burn something else <transitive>. The Sun doesn't burn,
it just glows, but it burns you. Oxygen doesn't burn, but it burns things.

That's just a quibble on English usage, but here's something factual
you missed. The reason you don't smoke <cigarettes> in oxygen
atmosphere is because it's not much fun having the whole cigarette
burn at high temperature in a flash fire that lasts about 1 or 2
seconds, not even giving you time to get the damn thing out of your
mouth before it scalds your lips. That of course assumes you can
light the thing in the first place. If you use a match, it'll scald
your finger instantly as the match burns as fast as the cigarette
would, not giving you time to touch it to the cigarette before it's
all burned up. You'll have to use the flint from a cigarette lighter
(an empty lighter should work fine) placed within spark distance of
the cigarette. Then you'll successfully set your cigarette on fire and
burn your lips as above.

The chance that the cigarette might be still burning 3 seconds after
you are done with it and might fall on upholstery and set it afire is
the least of your worries.