Honeywell International Inc. threw down the gauntlet to Google and IBM in the race to create a new kind of supercomputer, announcing its own breakthrough in the arcane world of quantum mechanics. “We have a very unique technology that we believe is as good or better than anything that’s out there today,” CEO Darius Adamczyk announced on May 14. The company pegs the potential market for quantum-computing technology at $50 billion. Ten years of quiet work lies behind the bold s