A beginner’s guide to quantum computing

A picture of one of IBM’s quantum computers

Nature’s quantum mechanical, dammit. To understand nature we need to build a quantum mechanical computer. — Richard Feynman

Peter Shor, the creator of Shor’s algorithm

Taking advantage of quantum weirdness

Representation of a qubit vs a classical bit
A representation of two entangled qubits in different states
Wave interference in water
Constructive vs deconstructive interference visualized

Quantum computing today

A D-wave 2000 qubit computer
A Xanadu tabletop cryogenic freezer, which fits snugly in a standard server rack

Quantum in the future


Extra resources:



Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store