That says "skin may freeze almost instantly at or below this temperature" where "this temperature" is -40 F.
And yet I can take liquid nitrogen (-320 F) and roll it around in my hand, or take a swig of it and spit it out without ill effect.
Heat doesn't transfer through still air very effectively; the specific heat of air is low, and a warm(er) boundary forms close to the skin. Sure, it will get you eventually, but as long as you protect the lungs, you can take a short exposure to it.
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१६ टिप्पण्या:
Oh good lord.
Just have them attend a Packers game in February.
"David Begley said...
Just have them attend a Packers game in February."
That could only be a Super Bowl, so would not be in Green Bay but somewhere warm.
I bet that cold made Mandy Moore's nipples VERY erect.
Because of Science.
I am Laslo.
Doing the valuable work of recycling rich stupid people's money.
I'm skeptical about this on several levels, including the idea that the temperatures in these chambers can get to -200 or below.
I'm also skeptical that human skin can be in these temperatures without nearly instantaneously freezing.
http://en.wikipedia.org/wiki/Orders_of_magnitude_%28temperature%29
That says "skin may freeze almost instantly at or below this temperature" where "this temperature" is -40 F.
Most normal thinking people would simply go on a hike or work in the garden
"Only" -200 F. I'd be more impressed with -200 C.
I'm skeptical that these devices maintain that cold of a temperature. You'd have a heckuava time preventing fog/condensation.
I wonder how they insulate them.
I'm skeptical about this on several levels, including the idea that the temperatures in these chambers can get to -200 or below.
I'm also skeptical that human skin can be in these temperatures without nearly instantaneously freezing.
http://en.wikipedia.org/wiki/Orders_of_magnitude_%28temperature%29
That says "skin may freeze almost instantly at or below this temperature" where "this temperature" is -40 F.
And yet I can take liquid nitrogen (-320 F) and roll it around in my hand, or take a swig of it and spit it out without ill effect.
Heat doesn't transfer through still air very effectively; the specific heat of air is low, and a warm(er) boundary forms close to the skin. Sure, it will get you eventually, but as long as you protect the lungs, you can take a short exposure to it.
It's a stupid thing to pay for, thought.
One day in Seattle, we saw a pretty fat guy stumbling out of a 'Hot Yoga' studio, dazed, gasping for breath and leaning against a lamppost.
The class kept at it inside. No pain, no gain.
I joked that I would like to start my own 'Sub-Zero Yoga' business. Buy a freezer from a pizza place and hire an instructor and cram everybody inside.
Put signs like 'Eastern' 'Community' 'Gluten-Free' Non-GMO' 'Dog Friendly' outside and reap serious profit.
Did you notice that your tags say:
"I'm skeptical, stupid"
Yes! You're right on both accounts!
Leidenfrost effect.
http://en.wikipedia.org/wiki/Leidenfrost_effect
However much faith I have in physics, I have no intention of sticking a wet finger into a pot of 750 deg (F) molten solder.
Do I do this before or after steaming my vagina?
CatherineM said...Do I do this before or after steaming my vagina?
Instead of...
What could go wrong?
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