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From: ron@brl-sem.ARPA (Ron Natalie )
Newsgroups: net.puzzle
Subject: Re: analogy of rod along side of square is UNconvincing.
Message-ID: <451@brl-sem.ARPA>
Date: Thu, 24-Oct-85 22:42:03 EST
Article-I.D.: brl-sem.451
Posted: Thu Oct 24 22:42:03 1985
Date-Received: Thu, 31-Oct-85 02:25:05 EST
References: <1028@decwrl.UUCP>
Organization: Ballistic Research Lab
Lines: 6

Yes and I suspect the reason heating the barrel hoops or wagon wheel
rings works is that the thermal expansion is proportional to the length.
The circumfrence of the ring is much larger than the thickness so the
fattening of the ring is negligable compared to the increase in circumfrence.

=ron