A look at the race to build quantum computers, as the tech becomes a geopolitical battleground with potential to transform cybersecurity, finance, and more (Mark Bergen/Bloomberg)

Companies worldwide are accelerating quantum-computer development, viewing the technology as a strategic asset that could reshape cybersecurity, financial systems, medical research, and climate modeling. Nations see quantum advantage as a geopolitical lever, prompting massive public and private investment to outpace rivals and secure future economic and security dominance.