Michio Kaku: There are 2 types of god. Only one is within the boundary of science.

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Does God exist? The answer rests outside the "normal" boundaries of science.

- Science is about natural law, while religion is about ethics. As long as you keep these two separate, Kaku says, there's no problem at all.

- Problems arise, however, when the natural sciences begin to "pontificate upon ethics" and when religious people begin to pontificate about natural law.

- Albert Einstein believed in the "god of Spinoza" — not a personal god, but one who has set order and harmony in the fabric of the universe. "You can put the laws of physics as we know them on a simple sheet of paper — amazing! It didn't have to be that way," says Kaku.

- The existence of God is not testable because such a review is not reproducible or falsifiable, as most scientific investigations are. In this sense, Kaku says the question and answer whether God exists rests outside the "normal" boundaries of science.

Dr. Michio Kaku is the co-founder of string field theory, and is one of the most widely recognized scientists in the world today. He has written 4 New York Times Best Sellers, is the science correspondent for CBS This Morning and has hosted numerous science specials for BBC-TV, the Discovery/Science Channel. His radio show broadcasts to 100 radio stations every week. Dr. Kaku holds the Henry Semat Chair and Professorship in theoretical physics at the City College of New York (CUNY), where he has taught for over 25 years. He has also been a visiting professor at the Institute for Advanced Study at Princeton, as well as New York University (NYU). His latest book is "The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth" https://amzn.to/314zgD5

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