From: Dan Fabulich (dfabulich@warpmail.net)
Date: Sat Oct 26 2002 - 02:27:40 MDT
scerir wrote:
> [playing with the identity problem ...]
>
> You have two spheres of identical dimension, mass,
> colour, surface, sound, fragrance, etc. etc.
>
> One is solid throughout, with a uniform mass distribution,
> while the other has a hollow center.
>
> Is it possible to determine (in a non destructive
> manner!)which is which? How?
You roll them downhill. The hollow one has a far greater angular inertia
than the other... the solid one will get to the bottom first.
Gimme another! ;)
-Dan
-unless you love someone-
-nothing else makes any sense-
e.e. cummings
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