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Bubbles

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

 

Puzzle ID:#6301
Fun:*** (2.66)
Difficulty:** (1.93)
Category:Science
Submitted By:im_para_noid*****
Corrected By:MarcM1098

 

 

 



Your captors are bubbling air into a water glass from a hose. You are miniaturized and asked if you wish to be placed in a small bubble or a large bubble. All the bubbles appear to be less than 3 millimeters in radius. Your goal is to reach the surface of the water along the straightest possible path. What bubble do you choose?


Answer

Choose a very small bubble. Very small bubbles (with radii less than 0.7 millimeters) are spherical and rise to the surface in a straight line. Bubbles between 0.7 millimeters and 3 millimeters in radius are spherical but either spiral or zigzag upward.
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