Questions tagged [prehistoric-times]

For questions about the historical period before written language, which is considered "prehistoric". This tag is most appropriate to describe the relevant time period on Earth, but it may also be acceptable in similar settings.

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6
votes
2answers
966 views

The Key For a Longer-Lasting, Steampunkier Industrial Revolution

From 359 to 298 million years ago, the "Carboniferous Coal Swamps" dominated the continents. It was the Carboniferous coal itself that sparked one of the greatest watersheds in human history--the ...
23
votes
9answers
3k views

What technologies could an every-man teach a Palaeolithic tribe? [closed]

In my story I have an every-man, lets call him Jim. Jim never finished high school, works as a night guard, and spends his time drinking beer, watching TV, surfing the internet and hanging out with ...
17
votes
3answers
4k views

How long could an operational Virginia-class sub survive in the Jurassic sea?

A nuclear attack submarine carrying a crew of, at least, a hundred people went missing in the North Atlantic Ocean, its last known location was the Bermuda Triangle where ships and planes have ...
9
votes
4answers
2k views

What American animals would have been domesticated had they not gone extinct?

Here are some lists of North American and South American megafauna that went extinct during the Quaternary. In Eurasia, many species of large mammal were domesticated, most particularly the 'big 4' ...
6
votes
7answers
1k views

Humans get knocked back into the stone age; would archeologists from 10,000 years in the future be able to tell that we existed?

I am inspired by Dr. Robert Schoc's hypothesis that the Great Pyramid and Sphinx date back to a lost civilization from 10,000 BCE. The Question: Suppose an asteroid/mega solar flare/etc. reduced ...
6
votes
1answer
579 views

What was the weather like in the Eocene?

I was reading this question earlier today. It asks about the characteristics of global winds in a modern-day earth with Eocene-like temperatures. I'm here to ask about other kinds of weather in the ...
5
votes
7answers
17k views

Could an intelligent civilization have existed on Earth before humans? [duplicate]

And more importantly, how could we not know about it? I remember hearing that most of our man-made monuments and buildings will have completely collapsed in a few thousand years, so is it possible for ...
3
votes
3answers
193 views

Can A Theia-Like Object Make Earth Richer?

Let's start with a little backstory--our planet underwent an impact-coalescence cycle only once, 4.5 billion years ago, when a Mars-sized object named Theia destroyed the infant Earth in a glancing ...
0
votes
1answer
121 views

An Earlier Pleistocene = Mass Extinction?

Five million years ago, the warm Miocene gradually descended into the cool Pliocene before dropping into the frigid Pleistocene. Such a change in temperature was so gradual that life went on without a ...