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)

Mark Bergen / Bloomberg: A look at the race to build quantum computers, as the tech becomes a geopolitical battleground with potential to transform cybersecurity, finance, and more  —  Companies are racing to create devices that could revolutionize finance, supercharge medical and climate research …