Why there could be many identical copies of you
We ask one of the hardest questions in the Universe, is there another you out there and if so, can we find our cosmic twin?
In theory this is not the only Universe that might exist, and in many others, identical copies of us can be found.
The question is, how do we get there?
A film by Melissa Hogenboom and Pierangelo Pirak originally published on BBC Earth.
