CarwilBJ's Twitter Archive
—№ 10,072
RT
@
io9
: Beyond “Fermi’s Paradox” II: Questioning the Hart-Tipler Conjecture
on.io9.com/I3A1dw0
On twitter.com
Retweet
2015 Apr 11
⇤ Newest
Tweet
⇠ Newer
Tweet
Older
Tweet
⇢