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Boiling Water

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

 

Puzzle ID:#3552
Fun:*** (2.81)
Difficulty:** (1.9)
Category:Science
Submitted By:Bobbrt*****
Corrected By:MarcM1098

 

 

 



A clever scientist in his lab can bring pure water to a vigorous boil, then immediately pour the water over his head without scalding himself. How does he do it?

Note: He does not cool the water down and he has no protective clothing whatsoever.



Answer

He can apply a vacuum to a container of water. The water will boil but will remain at room temperature. He can then quickly relieve the vacuum and pour the water over his head without worry of scalding himself.
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