In theory, this uncertainty should allow a full-sized quantum computer to do lots of calculations in parallel, and thus to solve problems that would take forever or, at least, several billion years on a traditional machine.

ECONOMIST: Quantum computing

In theory, accurate predictions exist to minimize uncertainty.

FORBES: Is 'Uncertainty' Over? Will Business Invest?

This in theory has introduced a hefty dose of welcome competition, and in reality a greater one of uncertainty.

ECONOMIST: The university landscape is changing, but not fast enough