What The Hail???

[Joel S. Berson]

At 8/12/2008 10:43 AM, Barbara Need wrote:
>I have also noticed that pictures of hail are likely to include a
>coins for scale, so that might contribute to the terms.

Yes it might, but of course in a two-dimensional representation the
diameter of a circle (at least when presented perpendicular to the
viewer!) is easier to "measure" than that of a sphere (which might
have shadow or highlight effects, etc.).

Joel

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