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originally posted by: Choice777
Now i wonder if maybe other humans have existed before, whole civilisation maybe..another ancient facebook, internet, pc, everything...apparently it only takes 400 years for plastics to degrade completely and about 2000 years for metals IIRC...millions of years would erase all the concrete ever poured visible today.
originally posted by: Choice777
As long as they come back to give us warp drive and antigravity, i'll forgive them for abandoning this pos rock.
originally posted by: Choice777
www.foxnews.com... 384
Now i wonder if maybe other humans have existed before, whole civilisation maybe..another ancient facebook, internet, pc, everything...apparently it only takes 400 years for plastics to degrade completely and about 2000 years for metals IIRC...millions of years would erase all the concrete ever poured visible today.
originally posted by: boymonkey74
Yeah homo erectus the most successful homid lasted 1.5 million years before we took over they reckon erectus invented fire also.
originally posted by: Krazysh0t
Why do people act like this is something new? We've known about other genus' of Homo using tools for some time now...