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Burning Ice

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#8419
Fun:*** (2.74)
Difficulty:*** (2.56)
Category:Science
Submitted By:stonemug***
Corrected By:seanlandrews

 

 

 



Bob dares Jack to squeeze an ice cube in the palm of his hand, as tightly as he can for 5 minutes. Within a matter of seconds Jack starts to feel a burning sensation. Trying to prove his manhood Jack bears the pain as long as he can. About 65 seconds later, Jack opens his hand and quickly wipes his palm clean, revealing a big white blister. What caused this to happen?


Answer

Bob coated the ice cube with salt before he handed it to Jack. The salt causes the ice cube to melt at a lower temperature. This creates a burning sensation, which feels similar to holding a lit match in the palm of your hand. The tighter you squeeze the more it burns. Within a matter of 90 seconds it will create a blister (This may vary depending on the person).
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