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The History Channel's "Life after People" has got me thinking...
Lonnehart at 3:31PM, Feb. 18, 2008
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According to the show, almost no evidence of Humanity will remain once we're gone. Even the radio signals that radiate out and away from our planet will be nothing but noise after just a lightyear or two in space. And on Earth itself, the chance that no species on the planet will evolve the same sentience as ourselves is… well… we can safely say we will have no successors who will be in awe of the few mounuments of Humanity that remain… the buried Egyptian Pyramids, sections of the Great Wall of China, and Mount Rushmore itself. Yep. Nothing else will remain of us when we disappear. Any thoughts?
last edited on July 14, 2011 1:38PM
mlai at 5:21PM, Feb. 18, 2008
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Yeah, according to the show, the problem is we (modern humans) don't do/make anything that will withstand the test of time, unlike dinosaurs and their fossils. We don't throw ourself into tar pits and vats of amber to be immortalized for aeons, our current construction materials suck compared to what the Romans used, we don't build in the desert like the Egyptians did, none of our stored knowledge (CDs, DVDs, books) will survive.

But I thought plastic lasts forever? Wouldn't cockroach-men know us by our mountains of plastic?!?!

FIGHT current chapter: Filling In The Gaps
FIGHT_2 current chapter: Light Years of Gold
last edited on July 14, 2011 2:06PM
ozoneocean at 1:41AM, Feb. 19, 2008
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Plastic actually breaks down into little poisoners granules…
All that might be left will be rainbow coloured sands?

Naw, concrete lasts quite a while. We know that because concrete buildings the Romans made still stand. I'm pretty sure that whatever happens, the bare bones of our cities and skeletons of our buildings and infrastructure will remain.
 
last edited on July 14, 2011 2:30PM
mlai at 5:55AM, Feb. 19, 2008
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ozoneocean
Naw, concrete lasts quite a while. We know that because concrete buildings the Romans made still stand. I'm pretty sure that whatever happens, the bare bones of our cities and skeletons of our buildings and infrastructure will remain.
According to the show, our concrete sucks compared to Roman concrete. Also, our practice of using steel bars inside the concrete makes it all break down even faster.

FIGHT current chapter: Filling In The Gaps
FIGHT_2 current chapter: Light Years of Gold
last edited on July 14, 2011 2:06PM
ozoneocean at 6:19AM, Feb. 19, 2008
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Heh, you know shows simplify and generalise. ;)
I considered those factors, but not all concrete is steel reinforced, and even a lot that is, is made extremely well.Indeed the quality of concrete varies around the world and even within cities themselves.

But that doesn't take into account the sheer physical MASS of many structures. Simply because of that it would take natural forces a very long time indeed to wear them all away.

What really wouldn't last though is things like the stature of Liberty. In films like the planet of the apes it hangs around, but that structure is as flimsy as crap really… The metal would still hang around though funnily enough. They've fished up enough Greek statues from the Aegean and Mediterranean.

Most metallic things are made of with steel, so wouldn't last, but some stainless-steel things might, depending on the grade. Even aluminium dies, but all the gold items and even the titanium ones would fare better.
 
last edited on July 14, 2011 2:30PM
Lonnehart at 9:31PM, Feb. 19, 2008
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Mass does count. That's why the Hoover Dam is the last of the structures depicted to collapse in 500,000 years time. Most concrete is subject to being damaged by any salts that manage to get into them which is why not even Roman concrete will last that long.
last edited on July 14, 2011 1:38PM
freefall_drift at 12:13PM, Feb. 25, 2008
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it sounds like it would be sad to watch.
Freefall Drift - A sci fi space opera of a starship's mission of stopping the Endless Kings.
last edited on July 14, 2011 12:31PM
Custard Trout at 11:31PM, Feb. 25, 2008
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Why is this a problem? It's not as if we'll be alive enough to notice any of this.
Hey buddy, you should be a Russian Cosmonaut, and here's why.
last edited on July 14, 2011 12:00PM

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