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Book: Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything Author: Michio Kaku Published: 2023, Doubleday ISBN: 978-0385548366

So here we are. Twenty posts later, we made it through the entire book. Time to step back and look at the whole picture.

What This Series Covered

Over the past posts, we walked through all four parts of Kaku’s book plus the epilogue.

Part I covered the rise of quantum computers. Started with the end of Moore’s Law and the silicon age, went through computing history from Babbage to Turing, got a primer on quantum mechanics basics, and followed the story from Feynman’s original insight through to the corporate race between Google, IBM, and China.

Book: Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything Author: Dr. Michio Kaku Published: 2023, Doubleday ISBN: 978-0385548366

The Part Where Physics Meets Philosophy

After seventeen chapters of quantum hardware, algorithms, applications in medicine, energy, AI, and a full imaginary day in 2050, Kaku ends the book with something completely different. The epilogue is called “Quantum Puzzles” and it’s pure philosophy. Four big questions that even physicists can’t answer definitively. Honestly, this is one of the more interesting parts of the book because Kaku stops selling you on quantum computing and starts asking what it all means.

Book: Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything Author: Dr. Michio Kaku Published: 2023, Doubleday ISBN: 978-0385548366

Science Fiction, But From a Physicist

After sixteen chapters of quantum computing theory, applications, and potential, Kaku does something different. He writes a short story. Chapter 17 is a fictional day in the life of a quantum computer engineer in January 2050. It reads like a science fiction screenplay. Honestly, it’s a bold move for a physics book.

Book: Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything Author: Dr. Michio Kaku Published: 2023, Doubleday ISBN: 978-0385548366

The Chapter Where Kaku Simulates Everything

Chapter 16 is the most ambitious in the entire book. Kaku says quantum computers will help us understand the universe itself. Not bits of it. The whole thing. From asteroids to black holes to the Theory of Everything that Einstein spent his last thirty years chasing.

Book: Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything Author: Michio Kaku ISBN: 978-0385548366

Every twenty years, physicists claim that fusion power is just another twenty years in the future. This joke has been going around for decades and it’s still accurate. Chapter 15 takes on nuclear fusion, why it’s so hard, and whether quantum computers could finally break the cycle of delays.

As someone who works with complex systems every day, I appreciate the engineering honesty in this chapter. The physics of fusion is solved. The engineering is what keeps failing us.