He is a physicist, a best-selling science author and one of the big brains behind string theory, or what some people say might eventually become the theory of everything. Conversation With talks to Michio Kaku about immortality, parallel universes and why robots could kill us all.

He is a physicist, a best-selling science author and one of the big brains behind string theory, or what some people say might eventually become the theory of everything. Conversation With talks to Michio Kaku about immortality, parallel universes and why robots could kill us all.

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