a thoughtful web.
comments
posts
badges
Good ideas and conversation. No ads, no tracking.
Login
or
Take a Tour
!
nsa.gov
NSA Technical Journal, Vol. XIV, No. 1: Key To The Extraterrestrial Messages
0
mk
nsa.gov
[PDF] ·
#seti
·
#nsa
about
tutorial
faq
rss
tmi
random
privacy & terms
weather
donate
login