US-China tech war: RISC-V chip technology emerges as new battleground

In a new front in the U.S.-China tech war, President Joe Biden's administration is facing pressure from some lawmakers to restrict American companies from working on a freely available chip technology widely used in China - a move that could upend how the global technology industry collaborates across borders. At issue is RISC-V, pronounced "risk five," an open-source technology that competes with costly proprietary technology from British semiconductor and software design company Arm Holdings. RISC-V can be used as a key ingredient for anything from a smartphone chip to advanced processors for artificial intelligence. Some lawmakers - including two Republican…