Atlantis Online
July 05, 2022, 01:37:50 pm
Welcome, Guest. Please login or register.

Login with username, password and session length
News: Satellite images 'show Atlantis'
http://news.bbc.co.uk/1/hi/sci/tech/3766863.stm
 
  Home Help Arcade Gallery Links Staff List Calendar Login Register  

We think we're the first advanced earthlings -- but how do we really know?

Pages: [1]   Go Down
  Print  
Author Topic: We think we're the first advanced earthlings -- but how do we really know?  (Read 320 times)
Bringer of Rain, Thunder and Snow, an Undying Saga of Earth
Hero Member
*****
Posts: 919



« on: April 21, 2018, 03:10:35 pm »




How do we really know there weren't previous industrial civilizations on Earth that rose and fell long before human beings appeared? That's the question posed in a scientific thought experiment by University of Rochester astrophysicist Adam Frank.
Credit: University of Rochester illustration/Michael Osadciw
Report Spam   Logged


Pages: [1]   Go Up
  Print  
 
Jump to:  

Powered by EzPortal
Bookmark this site! | Upgrade This Forum
SMF For Free - Create your own Forum
Powered by SMF | SMF © 2016, Simple Machines
Privacy Policy