The U.S., China, and Europe are ramping up a quantum computing arms race. Here’s what they’ll need to do to win Every country is vying to get a head start in the race to the world’s quantum future. A year ago, the United States, the United Kingdom, and Australia teamed up to develop military applications of digital technologies, especially quantum computing technologies. That followed the passage in 2019 of the National Quantum Initiative Act by the U.S. Congress, which laid out the country’s plans to rapidly create quantum computing capabilities. Earlier, Europe launched a $1 billion quantum computing research project,...