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David Copperfield

KevinK said:
Fine, then the underlying rocks provide the porous, low-density substrate, and the coals are the heat source. The same principle is being used, namely it's exploiting the difference between heat and temperature. As far as igniting leaves and such, these are light, flammable materials that do not need much heat to reach ignition temperature. Again, this setup provides high temp, but low heat.

It should also be noted that human bodies are composed mostly of water, a substance known to have a very high heat capacity (that's why you use it on your radiator). The water in the tissues of the volunteers actually soaks up most of the heat. The tissue cannot reach temperature higher than 100C until all the water has evaporated. They quickly walk through the burning area before that can happen.
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a flame isn't used for cremeation, its another process that is done to creamate the bodies, way higher temps are used.
 
KevinK said:
As far as igniting leaves and such, these are light, flammable materials that do not need much heat to reach ignition temperature.
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Go outside and find a leaf or 2 and maybe some dead grass. Place those items in a pan and heat them until they burst into flame. After the flame has burned itself out, remove the debris and flip the pan over and place your bare foot onto the bottom of the pan.

After you're done screaming, come back and tell us it didn't hurt. :)
 
calloused feet do wonders. some might have them and do that a lot. I had callous feet enough as a kid I could walk on hot ashphalt during a summer day here and not feel it much. I also good step on crab claws and crush them and not feel that much.
 
Gary said:
Go outside and find a leaf or 2 and maybe some dead grass. Place those items in a pan and heat them until they burst into flame. After the flame has burned itself out, remove the debris and flip the pan over and place your bare foot onto the bottom of the pan.

After you're done screaming, come back and tell us it didn't hurt. :)
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Your example is completely wrong. The pan itself is a heat sink. Only a small portion of the heat would go into the kindling materials; most of it goes into the metal of the pan, which you then transfer to your foot.

If you just lit the leaves and grass on fire, then stepped onto it with bare feet, you would just be transferring the small amount of thermal energy needed for those materials to reach ignition temperature. I'm pretty sure I could do that. It might hurt momentarily, but I doubt if there'd be permanent damage to tissue.

You're not a scientist, are you, Gary?
 
Wikipedia on firewalking. Read up, people. The article pretty much confirms and details everything I said. It even goes into the heat content of water. Which I already explained. Don't trust Wikipedia? Then just Google; you'll find several sites that explain the science behind this practice. http://en.wikipedia.org/wiki/Firewalking
 
Kevin, sorry bro, you still haven't convinced, ...I prefer to believe this,

Can one go upon hot coals, and his feet not be burned? Pro 6:28

Incidentally, have you much experience with demons?
 
I have touched boiling water for a sec, my finger wasn't burned permanently. I also have touched hot ac lines to check pressure. high side can be up to 300f. (300 psi)
 
Karl said:
Kevin, sorry bro, you still haven't convinced, ...I prefer to believe this,

Can one go upon hot coals, and his feet not be burned? Pro 6:28

Incidentally, have you much experience with demons?
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That scripture asks a question. The answer is yes, it is possible. Believe as you wish, but this is a known phenomenon. I didn't make it up, I read about it. Several times. I sense you're just not willing to admit you're wrong. I can explain scientific phenomena. I've yet to understand human stubborness.
 
jasonc said:
I have touched boiling water for a sec, my finger wasn't burned permanently. I also have touched hot ac lines to check pressure. high side can be up to 300f. (300 psi)
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Yes, exactly! A drop of boiling water (100C) has a high temperature, but very little heat. Not enough to really damage skin. Conversely, a gallon of water at 99C technically has a lower temperature, but much more heat. I don't think you'd want to thrust your hand into it.
 
KevinK said:
Yes, exactly! A drop of boiling water (100C) has a high temperature, but very little heat. Not enough to really damage skin. Conversely, a gallon of water at 99C technically has a lower temperature, but much more heat. I don't think you'd want to thrust your hand into it.
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latent heat, would be the term. the heat of 212 degrees is enough to overcome that and the water boils. if I remember that right. ac works of that principal. I have temporarily frozen my thumb when I was discharging a can of r134 and my thumb was in the way of the hole venting that stuff. r134 evaporates at -22 degrees Celsius. do that math and how cold that is and how warm my thumb was, it was numb to the touch for a few minutes but in a hour I didn't have that issue. my finger didn't peel the next day. I have had trench foot and made sure I warmed that area with warm water to ensure it wasn't a goner.
 
KevinK said:
That scripture asks a question. The answer is yes, it is possible. Believe as you wish, but this is a known phenomenon. I didn't make it up, I read about it. Several times. I sense you're just not willing to admit you're wrong. I can explain scientific phenomena. I've yet to understand human stubborness.
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Ummm, yes it's a question, a rhetorical question, and in rhetorical questions the answer is no.

You still haven't answered my question, ...have you had much experience with demons?
 
Karl said:
Ummm, yes it's a question, a rhetorical question, and in rhetorical questions the answer is no.

You still haven't answered my question, ...have you had much experience with demons?
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This thread isn't about demons. I'm not going to fall for the sidetrack. Hiding behind a holy Scripture is bad enough.

A rhetorical question by definition has no answer. If anything, that quotation is a loaded question, i.e. one which assumes an answer. It's still a logical fail. You're saying that people can't walk over hot coals without burning? Before you said they could, and brought up a specific example, but it was a question whether this was a paranormal or a scientific phenomenon. You're just contradicting yourself.

Some folks fall to hell. Others dig their way.
 
Karl said:
Okay Kevin,
I've searched You Tube and watched the explanation of the Great Wall of China, ...my question is, if Copperfield was hidden in the stairs, then how did they transport the stairs to the other side, ...you mean the Chinese built a door in the Wall to let their enemies come in, ...I kinda doubt that?
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After a little more research, it turns out that there actually are many places in the Great Wall that allow passage from one side to the other. It makes sense. What if the Chinese Imperials needed to cross from one side to the other? (I'm sure they remembered to close the gate during feudal times.)

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