how-close-are-wereallyto-build-a-quantum-computer

How close we are to build a quantum computer?

The race is on its way to creating the world's first meaningful quantum computer—one that will provide the long-promised technologies for science to help create miraculous new materials, encrypt data with nearly absolute protection, and forecast how the Earth's atmosphere will alter precisely. Such a computer is probably more than a decade away, but every little, gradual step along the way is breathlessly propagated by IBM, Microsoft, Google, Intel, and other tech heavyweights. Any of these milestones include stuffing ever more quantum bits, or qubits, onto a processor chip, the fundamental unit of knowledge in a quantum computer. The road to quantum computation, however, requires much more than subatomic particle wrangling.