Since the 1990s, evidence has been growing that quantum computers should be able to solve a range of particularly complex computational problems, with applications in everything from supply chain ...

Speed is only one of the three critical attributes that reflect the performance of a quantum computer, according to IBM, with the two others being scale and quality.

IonQ, a company based largely on technology developed at the University of Maryland a decade ago, is acquiring Oxford, England-based startup Oxford Ionics.