A free introduction to quantum computing and quantum mechanics

By working through these essays, you will understand in detail all the basic principles of quantum computing and quantum mechanics, plus two important applications: the quantum search algorithm and quantum teleportation.

You’ll need familiarity and comfort with the basics of linear algebra and complex numbers. We'll teach you the rest.

Presented in a new mnemonic medium which makes it almost effortless to remember what you read

Quantum Country is a new kind of book. Its interface integrates powerful ideas from cognitive science to make memory a choice. This is important in a topic like quantum computing, which overwhelms many learners with unfamiliar concepts and notation.