A fabulous introduction to Quantum computing:

Learning this material is challenging. Quantum computing and quantum mechanics are famously “hard” subjects, often presented as mysterious and forbidding. If this were a conventional essay, chances are that you’d rapidly forget the material. But the essay is also an experiment in the essay form… the essay incorporates new user interface ideas to help you remember what you read.

Parts 2 and 3 coming soon. ⌛