The Biden Administration has announced that it is blacklisting eight Chinese quantum computing companies over concerns that the technology they possess poses a threat to national security. The companies have been added to the U.S. Department of Commerce's Entity List, which is a national security tool used by the Bureau of Industry and Security (BIS). According to the Commerce Department, "Eight technology entities based in the People's Republic of China (PRC) are being added to the list as part of the Department of Commerce's efforts to prevent U.S. emerging technologies from being used for the PRC's quantum computing efforts that…