Over the years there has been an on-going discussion about transmitting signals from earth because it may increase the chance of detection by some advanced civilization that will come and do us harm. Below is a recent post on this topic by GEORGE DVORSKY. Please read and post your comments. Should we transmit? Should earth go dark? Why?
http://io9.com/are-we-screwing-ourselves-by-transmitting-radio-signals-493800730
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