On Sun, 20 Sep 2009 15:54:05 -0500, you wrote:
>Since the wireless system is 50% efficient it'll eat 1.8kWh while >delivering 1.8kWh, while the wired system, being 90% efficient, will eat >only 0.2kWh. > >At USD 0.1 per kWh, that's $1.80 for the wireless system, while only >$0.2 for the wired system. --- Oops... 18 cents wireless VS 2 cents wired.
