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Man Torches Hand With 7k+ Degree Flame

Amazing material withstands 7k Degree oxyacetylene torch to the hand....now you can play with fire!

submitted by: kitteh9lives
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Man Torches Hand With 7k+ Degree Flame . Amazing material withstands 7k Degree oxyacetylene torch to the hand....now you can play with fire!
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Hits: 10995 | Favorites: 3 | Emailed: 1 | Rating: 2.7 | Category: Science | Date: 12/18/2011
 
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Angilion
Male, 40-49, Europe
 11547 Posts
Monday, December 19, 2011 6:39:27 PM
[quote">But the water has to have time to heat up and steam before any of that chaos can take place. If you cover your hand then do a quick dip, the water and lead will even out their tempuratures before the water can hit 212f. With the outside temp also acting on the lead, the lead cools down fast enough to not boil the water and thus not boiling your hands.[/quote">

The outer surface of the water instantly vaporises and insulates the rest of the water from the heat of the lead. The water touching your hand never gets hot enough to burn your hand. That's why you get a few seconds, not because the temperature equalizes below boiling point in the bucket of lead and then drops below skin-burning temperature afterwards, quickly enough to not burn your hand.

Leidenfrost effect

Angilion
Male, 40-49, Europe
 11547 Posts
Monday, December 19, 2011 6:28:49 PM
That does work but putting water near a pot of melted lead is a very bad idea ever see what happens when a drop of water goes into it???


yyyeeesss,,, III kkknnnooowww ttthhhaaattt ttthhheeerrrrrreee iiisss aaa rrriiissskkk ooofff aaa sssttteeeaaammm eeexxxppplllooosssiiiooonnn.

Also, why are were repeating characters 3 times?

KipKasper
Male, 30-39, Canada
 5 Posts
Monday, December 19, 2011 4:05:29 PM
Few things i can see wrong here: he doesn't seam to be pulling the trigger on the ox/acetylene torch, if he was the flame would shorten and be blue/white, so this is not 7k deg.
also, the second example, of the foam on a slab of metal, the metal is aluminum, and you can`t burn that with ox/acetylene, you need to use tungsten.
Seams it would be impressive to hit this with even a propane torch... so why the deception?

Steelgrid
Male, 30-39, Midwest US
 2704 Posts
Monday, December 19, 2011 9:05:10 AM
"That does work but putting water near a pot of melted lead is a very bad idea ever see what happens when a drop of water goes into it???"

But the water has to have time to heat up and steam before any of that chaos can take place. If you cover your hand then do a quick dip, the water and lead will even out their tempuratures before the water can hit 212f. With the outside temp also acting on the lead, the lead cools down fast enough to not boil the water and thus not boiling your hands.

When I did cook for a living, we used this effect when cleaning the edge of fryers. Instead of trying to be really really careful, you cover your hand with 2 latex gloves, and scrub fast. The 375f oil that splashes will cool faster than it can burn through the gloves leaving you an extreme margin of error when scrubbing.

Steelgrid
Male, 30-39, Midwest US
 2704 Posts
Monday, December 19, 2011 9:01:45 AM
"Oh, just because it's worth mentioning, the damage isn`t immediately apparent. In my case, it took about 12-14 hours to manifest."

Yeah same with mine. I stayed at the training facility, completed my day. Managed to make it back to the berthing and take a shower before my eyes started to swell. Looking at anything was the most painful part.

That is a pain that you will never forget, and you will try your DAMNEDEST to never repeat. After my 3rd, I started going to college for game design, and here I am, Making Combat Flight sims with absolutely "0" risk of flashburn, thankfully!!!

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