Re: [math-fun] Draft of "The Lessons of a Square-Wheeled Trike"

2 Jul 2015

      A cool thing is that a square rotating on a catenary is is the inverse of
a parabola rotating on a line.

The interesting questions are "why is a hanging chain the roulette of a
parabola?" "why does a hanging chain have a succinct expression?" and
"what does gravity have to do with it?"

Hilarie
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Date: Wed, 1 Jul 2015 22:59:09 -0400
 From: James Propp <jamespropp@gmail.com>
 Subject: Re: [math-fun] Draft of "The Lessons of a Square-Wheeled Trike"
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I included the draft as an attachment in my earlier email, forgetting that
 "we" (math-fun) don't "do" attachments.
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I've posted the draft at http://mathenchant.org/8-museum.rtf ; comments are
 welcome.
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Jim Propp
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On Tue, Jun 30, 2015 at 3:35 PM, James Propp <jamespropp@gmail.com> wrote:
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I've finished a draft of installment #1 (as opposed to #0) of
"Mathematical Enchantments", and I'd welcome comments.
Jim Propp

Re: [math-fun] Draft of "The Lessons of a Square-Wheeled Trike"

Hilarie Orman