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Re: how many coins?
Posted:
Apr 7, 1995 12:38 PM
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On Fri, 7 Apr 1995, Tad Watanabe wrote:
>
> Does anyone have a proof to the following:
>
> Given a rectangular region of 2cm by 1000cm. You can fit 2011 (I think
> it was 2011. It is more than 2000) coins of 1cm diameter in this region.
>
> On the surface, it appears that the answer should be 2000, but someone at
> the Bell Lab apparently proved that you can fit more (which, by the way,
> is very significant for communication folks since each "coin" can be a
> fiberoptic cable in an underground cable cases).
>
> ************************************************************************
There are three rows of coins instead of two
.. ..
. . . .
. . .. . .
.. . . ..
.. . . ..
. . .. . .
. . . .
.. ..
There are more coins packed into the middle row then are lost by the
missing pairs of coins.
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