ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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According to my ancient Fanny Farmer cookbook only fresh eggs sink,
while eggs that are past their prime will float. So if you're brave
enough to risk working with rotten eggs, you can add another variable
to the float/sink experiment.
--
   Kay Ziff
   Exhibit Developer

   Bay Area Discovery Museum
   557 McReynolds Road
   Sausalito, Ca 94965
   Phone:  415/339-3922

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