What Is Déjà Vu?

Every Wednesday, Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comments section below and check back on Wednesdays to see if he answers it.

Every Wednesday, Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comments section below and check back on Wednesdays to see if he answers it.


Today, Dr. Kaku addresses a question posed by Ivailo Krastev: Could the experience of déjà vu be related to parallel universes? Why does it happen at all? Is there some possible explanation offered by the laws of physics?