In a Brookstone catalog, received by the author on 21 November 2013, there is pictured a ``Rock Glass with Ice Ball Maker,'' a device for making spherical ice balls to put in drinks. The claim is that this device, ``Lets you make ice balls that outlast cubes and won't water drinks down.''
- Use mathematical modeling to defend or contradict this claim.
- Design an experiment to test this claim.
- Carry out the experiment and use any data in (2) to validate your model in (1).
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