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Old 02-22-2017, 04:43 PM
 
Location: New England
1,001 posts, read 272,631 times
Reputation: 829

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Quote:
Originally Posted by PacoMartin View Post
It has been suggested that human artifacts made of plastics will survive for 50,000,000 years.
It has been suggested plastic is imaginary, just now, by this post. Which has the same validity of the 50 million year plastic longevity claim.
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Old 02-23-2017, 02:52 PM
 
Location: Bronx
12,490 posts, read 14,620,976 times
Reputation: 6359
Quote:
Originally Posted by peequi View Post
Let's say the human race ends today, so all humans bye bye, but our bodies, buildings, etc all are untouched. How long would it take for all evidence to be gone?

I am talking about if aliens came to Earth in the future and dug around but found no evidence.

Also are there any theories, books, movies about this happening or it happened?
Pyramids of Giza and the Great Wall of China.
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Old 02-24-2017, 10:47 AM
 
3,179 posts, read 1,577,626 times
Reputation: 1905
The evidence will be here until the earth ends. Just some of these radioactive half lives of things we made can take millions of years. There's a program on the discovery channel I believe that was called Earth without humans and showed what would happen each day, month, year etc. that humans weren't around. Not particularly encouraging for the earth actually since so many things we've created need constant monitoring.
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Old 03-17-2017, 10:13 AM
 
79 posts, read 34,951 times
Reputation: 61
Actually, that idea: ''If the human race was gone today...'' NOT an absurd idea. Because we're expecting to 9.5 billion human population in the 2050 and that means there'll be so many people out there!

Human race might be ended by such a reasons: Lack of food, poverty, massacre, greediness... etc

There is an article about that:
Population Increase and Its Implications
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