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Re: [Phys-l] definitions ... purely operational, or not



On 11/10/2010 6:39 PM, brian whatcott wrote:
On 11/10/2010 4:09 AM, John Denker wrote:
To explain how straight lines that areinitially parallel can converge
toward each other, refer to the lines of longitude (or other great circles) on a globe. Also
http://www.av8n.com/physics/geodesics.htm#fig-darts

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/latitude/

Brian W
Hehe...where *DO* I get this stuff from?

B