Re: Why are ManHole Covers Round?
- From: rich burge <r3769@xxxxxxx>
- Date: Thu, 31 Jan 2008 15:38:45 -0800 (PST)
On Jan 30, 10:23 pm, "mensana...@xxxxxxxxxxx" <mensana...@xxxxxxx>
wrote:
On Jan 30, 4:11�pm, gcook...@xxxxxxx wrote:
because a circle is the only shape that can't fall in and crush the
head.
let's talk about multi-psychic fusion later!
Marilyn Vos Savant thinks they don't fall into
the hole because there's a lip, i.e., the cover
diameter is slightly larger than the hole diameter.
ObPuzzle: how big a lip does a square cover have to
have to keep it from falling into a square hole?
Another: Which shape of constant width has minimal area?
Rich
.
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