Living in a Parallel Universe

Imagine there are three identical versions of you. Each is convinced of their own reality, even though this reality might be much different than your own. One might live in a world where Germany won World War II. Another might exist in an environment where 9/11 never occurred. This far-fetched concept has long served as fodder for science fiction novelists, but it's...

from Top Documentary Films https://ift.tt/2KCcnNS