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I love quantum computing so much, I don’t know where to start. I’m tonguetied. I’m delirious. I can’t contain my joy. I’m doing backflips off dumpsters. I’m riding shopping carts down stairs. I’m swinging by vines over rivers of la va. As in a song lyric I liked in high school, “I’m so bloated up happy I could throw things around me.” (“Heavenly Pop Hit” by The Chills.) In high school, I had a book called The Secret Guide to Computers. It taught BASIC programming. The book opened a misty passageway to a world of almost mystical union with silicon circuitry. It was an initiation to a fellowship of advanced nerds. Because if you’re going to be a nerd, you might as well be an advanced one. Well, I’ve got news for you, advanced nerds. It’s time to take a quantum leap. Quantum information science, the broader discipline that contains quantum computing, stands at a grand conjunction of computer science, digital electronics, engineering, quantum mechanics, linear algebra, number theory, and even philosophy. It’s a bustling crossroads of all my favorite nerdy pursuits. It’s almost too much awesome. Yes, even philosophy is relevant to quantum information science, as we will see in the chapter about the 2022 Nobel Prize in Physics. As we continue to expand the frontiers of knowledge, the rigorous mysteries of quantum physics remain stubbornly unsolved. I won der if this is a salutary check on human hubris, a reminder of our place in a world we never made. Physics achieves the goal of medieval alchemy and astrology, to illuminate the invisible forces that govern the destinies of all things. But something always scurries away from the light, and our thirst for complete understanding is forever unquenched.