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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here

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To: Frank A. Coluccio who wrote (9988)	12/30/2000 6:13:36 AM
From: axial	Read Replies (2) of 12823

Hey, Frank - Thanks for the question. So the search started with the terms spped, electron, copper. Which took me to here - physlink.com and here eskimo.com and gave an explanation of drift speed, which seemed way too slow: we would be looking for something approaching the speed of light.... Maybe the best way to look at it was to treat it as a question of wave propagation in the different media, since the data would travel in that form...use the terms signal, propagation, copper, speed... Bingo! nwfusion.com I also found other articles: there seems to be two ways to answer your question. One answer, using the dielectric constant gave a propagation speed of about 1/2 C for fiber, 3/4 C (roughly) for copper. The article linked above says 2/3 C for fiber, 3/4 C for copper. Either way, copper is faster (but not better). Jim

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