Nvidia logo is seen in this illustration taken June 11, 2026. REUTERS/Dado Ruvic/Illustration/File Photo Purchase Licensing Rights, opens new tabLONDON, Oct 14 (Reuters) - US chipmaker Nvidia (NVDA.O), opens new tab has pledged $250 million worth of computing resources to Britain over five years, to fund ​AI security research, bolstering the country's ambitions to become a global ‌centre for AI governance and security.While Britain is not home to any major AI developers, it is seeking a leading ...