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Top message:  another silly science question by speedywalk   Jan 28, 2013, 10:13 AM

Replying to:  Re: but isn't one of the b benefits of radio by Webb   Jan 28, 2013, 1:17 PM

From Popsci.com

by Jiangshu    Jan 28, 2013, 1:39 PM

The premise is simple enough: for the same mass, size, and power load an optical communications system can provide drastically higher data rates compared to standard radio frequency (RF) systems. But it also calls for a trickier setup, requiring a clear line of sight between transmitter and receiver and considerations for variables like weather and atmospheric conditions.

http://www.popsci.com/technology/article/2011-08/nas ... »

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