Quantum physics is all around us. It's in electrical lights, lasers, and the color of the sky. Without it, the sun wouldn't shine. It even explains how human eyes work. With its role in photosynthesis, it literally supports life. Yet, it had Schrödinger wondering whether his cat was alive or dead. It tells us that something can be both a wave and a particle and that two linked particles can communicate across the universe instantaneously! And it might even explain how the multiverse is real. Quantum physics is the key to understanding our complex world, yet even our most brilliant minds haven't figured it all out vet. Engaging and approachable, The Handy Quantum Physics Answer Book helps untangle this complex subject, answering more than 800 fascinating questions so you can easily understand quantum physics, including … When did philosophers first consider the existence of atoms? What is antimatter? What is the largest nuclear weapon ever detonated? What is the quantum principle used in MRI machines? Why did Albert Einstein say "God does not play dice with the universe"? Does entangled time mean the present can affect the past? What is quantum teleportation? What is artificial intelligence?