Quantum computing explores a world of theoretical computing models and structure.  Traditional computer chips use transistors which operate in the infamous states of 0s and 1s.  Quantum computers run on qubits which are special states that span beyond 0s and 1s to other possibilities.  One of the exciting areas is the potential raw power.  They describe a functioning quantum computer in this article:

Such a machine could perform calculations that would take a conventional computer millions of years to complete.

The Google and UCSB researchers showed they could program groups of qubits—devices that represent information using fragile quantum physics—to detect certain kinds of error, and to prevent those errors from ruining a calculation.

This is very exciting and find out more on their breakthrough on page 2

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