
The idea that there might be other worlds has existed for centuries, and it lies inside ghost and fairy stories as well as more complex, science-based ideas, like those in quantum physics. Could there be a whole series of universes called a multiverse? This text defines reality,...

The idea that there might be other worlds has existed for centuries, and it lies inside ghost and fairy stories as well as more complex, science-based ideas, like those in quantum physics. Could there be a whole series of universes called a multiverse? This text defines reality,...