Quantum computing has long lived in the realm of lab demos and bold PowerPoint slides, but two of the industry’s biggest players now say the first truly useful machines are less than five years away.

Quantum computing is poised to redefine technology, offering unprecedented computational capabilities to address problems beyond the reach of classical systems. Jerry Chow, an IBM Fellow and Director ...

The company says it has cracked the code for error correction and is building a modular machine in New York state. IBM announced detailed plans today to build an ...

Many companies — including IBM — this year demonstrated uses of quantum computers that went beyond what was possible with purely classical approaches. But none of these were clear, undisputable ...