"What we call the 'world' and the 'universe' is only one frequency range in an infinite number sharing the same space. The interdimensional entities I write about are able to move between these frequencies or dimensions and manipulate our lives."

Next Quote

Technologies that may be realized in centuries or millennium include: warp drive, traveling faster than the speed of light, parallel universes; are there other parallel dimensions and parallel realities? Time travel that we mentioned and going to the stars.

— Michio Kaku