Why is Australia spending a billion dollars on a quantum computer that doesn’t exist yet?

IBM’s Q System One. The IBM Q System One is the world’s first fully integrated, commercial quantum computer, unveiled by IBM in January 2019. Designed for scientific and business use, it’s housed in a sealed, airtight glass enclosure to provide a stable environment for its superconducting qubits, which operate at temperatures colder than deep space.(Supplied/IBM)