There have already been explanations- apparently you don't care to listen. 1. Earth has natural reactors, especially in Africa, which hypothetically could go critical.

2. Any sand placed under sufficient heat and pressure is capable of becoming glass. Heat and pressure are obviously involved in many geological processes and this could easily be the result of some unknown one.

3. You have given no concrete reason why meteor impacts could not be an explanation.

4. At one point the earths surface was molten, and although I am no geologist it stands to reason that a pocket of molten silica on the earths molten surface woudl ahve eventually cooled into a large glass plate.

Now consider for a moment that a technological civilization needs infrastructure. A nuclear weapon does not just "happen" in a vacuum. You need to mine and refine Uranium and this requires the mining, transportation, and processing of other materials and manufacturing of these materials into useful devices.
Where are the mines? Where are the refineries? Where are the roads that transported them? Where are the factories which made vehicles to transport materials? Where is the radioactive pit that used to be their reactor (We've heard the claim, but where is the proof!?).

People argue that 12,000 years would wipe out all trace of a civilization but that's not entirely true. When New York City has degenerated to its simplest components, it will be a vast field of rust, glass, composite plastics and rubber, divided into a grid by perfect lines of uniformly-sized rocks which used to be bound together as asphalt roads. It could be full of fossilized human remains, especially where cemetaries once stood. It doesn't take thousands of years to erradicate a civilization- it would take hundreds of thousands, maybe millions. Only the incredibly slow proccesses of geology would completely destroy the patterns created by a metropolis, and even then it is possible that the site would be pressed into rock and made permanent in fossil form rather than being destroyed.

Originally posted by SkyFox2
I know of the war you ask about. I recall reading about it recently here at ATS, I'm sure if you search a bit you'll find something. From what I remember, a city called "Mohenjo-Daro" in India was excavated in the past which was highly radiated and seems to have suffered a nuclear blast. I have heard the city had 40,000 citizens and also heard millions of citizens.

The city was thousands of years old, I don't recall when it is suspected that it was destroyed. I do know that it was technologically advanced for the age in which it existed. It's streets were layed out in block form, like present day cities. It had a central market and a public bath area which was heated by..something or another..whatever it was it didn't belong in that erra though. The skelatons on the street seemed to have died immediatly upon the blast, many holding hands as if the occurance was unexpected.

That's about all I remember about that city, but there is other information in reference out there. For instance, in India an ancient nuclear reactor was discovered. The reactor was well laid out and more advanced than ours at current. It was underground, which seems like a good idea to me, and stored all of its nuclear waste within the facility. It is thought that the reacotr was in commision for about 1,500 years.

In Egypt, deep under the sand in some places, large areas with green glass have been found. It was origionally thought that the glass came from perhaps a rather large meteor impacting there but later scientists decided due to the size of the hole created by the impact, a meteor of that size wouldn't have created enough heat to cause the sand to turn to green glass so far from the impact area. A nuclear weapon, however, would have done this. Oddly enough, the glass is so old that cavemen were sculpting tools from the glass found there.

The Great Lakes are somewhat radiated which is why carbon dating there is difficult. There's alot more information out there about the topic. Indian theological texts even discuss this in great detail, they talk about radiation sickness and aircraft droping nuclear weapons on cities and what the blast was like, even what the soldiers did when exposed to the radiation...yet this was way back in the day, biblical times.

I have no links for you as it was rather difficult for me to find that information when I was looking into this stuff, I'm telling you this off the top of my head. To the best of my knowledge the information I have presented is accurate and I'm sure if you look around a bit you will be able to confirm it.

Originally posted by BlackGuardXIII
Does anyone know more about the man who found green glass in the US midwest, either Nevada, or New mexico I think. It was many years before the a bomb, and he could not find out anything about what it was till after the bomb tests produced similar stuff.
How about the vitrified (melted) stone in some ancient Irish walls? I read that the heat needed was beyond the abilities of those days.

Originally posted by Shadowtrooper90
Furthermore, if they had the materials to build nuclear reactors, then how come they lived in houses made of mud? Unless their nuclear reactors were made out of clay and animal sinews.