The Parallel Universe – BBC Documentary 2017
According to Wikipedia A parallel universe is a hypothetical self-contained reality co-existing with one’s own. A specific group of parallel universes are called a “multiverse“, although this term can also be used to describe the possible parallel universes that constitute reality. While the terms “parallel universe” and “alternative reality” are generally synonymous and can be used interchangeably in most cases, there is sometimes an additional connotation implied with the term “alternative reality” that implies that the reality is a variant of our own....