Remote calls by direct dialogues by radio telephone and coded messages by radio telegraphy were invented in short intervals . Such inventions started helping in civil , military, and research operations not only for the global area but extended beyond it. There began endeavours to send radio signals to the cosmos and also to get such signals from the cosmos as well. Searches have been going to find if we are not singular in the universe. Interplanetary and or intergalactic communication is believed to find out the gate to reach the hidden world. Humans have been waiting for these days to come !
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