The UK’s Advanced Research and Invention Agency (ARIA) is often referred to as a “UK DARPA”. Any given ARIA program is meant to catalyze progress towards big-if-true, non-consensus ideas. Eric Gilliam: ARIA is called a “UK DARPA,” but it’s different in many ways. It’s something I think a lot about for ARIA, and more than anything else, ARIA was created to do things differently. Cite: Gilliam, E. “Inside ARIA, the UK's Bet to Build Scientific Revolutions.” Asimov Press (2025).