We may have already made contact
The only way E.T. could have phoned home is he didn’t use encryption. Otherwise, any communication would have been indistinguishable from cosmic background radiation, assuming the encryption was done right.
That’s essentially the theory posed by Edward Snowden, the former NSA contractor who leaked classified documents to the press that detailed the extent of the U.S.government’s surveillance efforts, The Guardian reports.
Appearing on Neil deGrasse Tyson’s StarTalk podcast, Snowden talked …read more
