China refused call with Pentagon chief on day of balloon downing: US (Photo: Tingshu Wang/Reuters) In a strategic pivot reflecting the intensifying technological rivalry with the United States, China is increasingly investing in open-source chip technology, aiming to diminish its reliance on Western semiconductor standards amid mounting U.S. export controls. At the forefront of this shift is the adoption of RISC-V, an open-source instruction set architecture that offers a neutral alternative to ...