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Glass Sphere

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


Puzzle ID:#7611
Fun:*** (2.7)
Difficulty:*** (2.52)
Submitted By:im_para_noid*****
Corrected By:boodler




You are in a glass sphere suspended by a steel chain from the Empire State Building. With you in the sphere are a sugar cube and a small stone, and you are holding a pigeon. You will gain your freedom if you can make the sphere lighter using the pigeon. What is your best strategy for escape? (Note: the pigeon must remain inside the sphere at all times.)

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