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A simple solution

Letters

Although the builders of Stonehenge pre-dated Archimedes by several thousand years, they would surely be aware that a stone weighs less in water than in air and would have arranged for the stone to be suspended below the floatation unit rather than on top. This would have the effect of not only reducing the displacement capacity of the floats but would have considerably improved the stability.

Arthur Newton (F), Hegglehead@aol.com

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