Excavations at Harappa of the ancient city of Mohenjo-Daro in Pakistan revealed many thousands of years old human skeletons with high levels of radiation sprawled all over the city streets unburied and uneaten by scavengers and not harmed by physical violence and many of them were holding hands as if some horrible instant doom was unleashed upon these possible victims of prehistoric nuclear war (before the last ice age). I have another theory that this destruction may be the result of large meteor shock waves.
Ancient tales speak of flying vimanas. Vimanas were described as real vehicles and were said to have the ability to travel, and deliver explosives, at high speeds. Great wars were described in early religious texts. Weapons could literally level the land like a moving force field.
In ancient India, we find words for certain measurements of length; one was the distance of light-years and one was the length of an atom. Only a society that possessed nuclear energy would have the need for such words.
Source : zengardner.com