The US Department of Commerce’s Bureau of Industry and Security has added 27 companies to its list of entities prohibited from doing business with the US, including several Chinese firms that dabble with quantum computing . The Financial Times reports that the companies were banned on grounds they threaten national security. Eight of the Chinese groups have been specifically targeted to prevent them from accessing sensitive quantum technologies , with the Department accusing the companies of helping develop the Chinese military’s quantum computing programme. Military use According to reports, Secretary of Commerce Gina Raimondo said the eight Chinese firms are...