Changes related to "Category:Protoscience"
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27 January 2015
- (diff | hist) . . m Communication with extraterrestrial intelligence; 10:29 . . (+23) . . David J Johnson (Undid revision 644341648 by 188.8.131.52 (talk) Better and more accurate as previous.)
- (diff | hist) . . Communication with extraterrestrial intelligence; 01:54 . . (-23) . . 184.108.40.206 (→Natural language messages)