Oklo, a nuclear reactor company founded by OpenAI CEO Sam Altman, has achieved criticality. This milestone signifies that the reactor has reached a self-sustaining nuclear chain reaction. Altman congratulated Oklo on this achievement via a post on X. AI
RANK_REASON Significant milestone for a company founded by a prominent tech CEO, even if not directly AI. [lever_c_demoted from significant: ic=1 ai=0.1]
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