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Surprising Science

How to Program a Quantum Computer

Quantum computing already exists, but on a truly miniscule scale. We’ll have molecular computers built out of graphene before true quantum ones, says the physicist.

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 Andrew Brundage-BriggsIf scientists create quantum computers, will we still need computer memory?


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What do you get when you add the total matter of the universe to the total energy of the universe? Zero. “So it takes no energy to create a universe,” Dr. Kaku points out. “A universe is a free lunch.”
Dr. Kaku says we might imagine God as we know him to be a mathematician: “The mind of God we believe is cosmic music, the music of strings resonating through 11 dimensional hyperspace. That is the mind of God.” 

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