One of the most interesting things to come out of Microsoft’s (MSFT) transformation under CEO Satya Nadella is its investment in quantum computing.

Wednesday I had a chance to catch up on those developments with two executives, Todd Holmdahl, the VP running the team, “Microsoft Quantum,” and Dr. Julie Love, the head of business development, who stopped by the Barron’s offices while in town for various meetings. I discussed their efforts in this week's Barron's print magazine column.

Before...