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Originally posted by starwarsisreal
Without people maintaining the cities, eventually they will be gone because wildlife would have reclaim them and plus the buildings would have been destroyed due to erosion. Modern Buildings like Steel Skyscrapers wouldn't last very long. This may explain why if the a hypothetical advanced civilization were to exist in the past there wouldn't be any traces left.
Originally posted by Harte
How long will it take the faces on Mount Rushmore to erode away?
Skyscrapers have concrete foundations that go hundreds of feet down into the Earth. Evidence like that isn't going anywhere, regardless of how much time goes by, until it recycles back into the mantle of the Earth (if that ever happens.)
Originally posted by starwarsisreal
reply to post by MichaelPMaccabee
Interesting why there's no gold now. Well what if all traces are underwater?
Originally posted by TLomon
Originally posted by Harte
How long will it take the faces on Mount Rushmore to erode away?
Probably about 100-200 years.
Originally posted by starwarsisreal
reply to post by MichaelPMaccabee
Hmmm interesting earlier you mentioned that water and wind can erode gold. Thousands of years is a very long time and anything can happen. For all we know a car made of gold today would probably turn to gold nuggets a thousand years later due to weathering and wind.
Originally posted by starwarsisreal
Is it possible for humans to advance to our technological levels in the ancient past without alien civilization?
Homo Sapiens have been existence since 250,000 years ago and it took 5,000 years for us to advanced from Spears to Nuclear Weapons.
One thing I notice in mainstream science is that we are being told that Humanity have been welding sticks from 250,000 years ago til about few thousand years ago. If assuming it takes Humanity 5,000 years to advance from spears to our level
can't they do it in the ancient past? 250,000 years is a very long time and by then they could have advanced to a highly sophisticated technological society without alien intervention
. Unless a catastrophe wipe them out, leaving a few traces of this ancient advanced civilization. What if all the Civilizations like the Sumerians, the Chinese, and others are remnants of this advanced civilization?
It could explain why many myths and religion are very similar and also how Sumerians and others are advanced for their time.
It can also explain the Origins of the Egyptian Pyramids.
One of the arguments I've heard is that if there was an ancient advanced global civilization in the past then it would leave traces. If our civilization were to collapse and wipe out 90 percent of the population we would revert back to stone age since most of the architects, Physicists, and other brilliant minds will all be gone and those people who survive would be more focused on survival rather than creating new things. Without people maintaining the cities, eventually they will be gone because wildlife would have reclaim them and plus the buildings would have been destroyed due to erosion. Modern Buildings like Steel Skyscrapers wouldn't last very long. This may explain why if the a hypothetical advanced civilization were to exist in the past there wouldn't be any traces left.
Also skeptics have asked where are the computers, planes cars, etc. Well the remnants of advanced technology would have been lone gone. Look at our computers, I don't see them lasting a hundred years since these items can rust away.