← All breakthroughsAccepted frontier changeBOUND IMPROVEDLR-DRAFT-MAT-03MgB₂ superconducting transitionBOUND IMPROVEDLR-DRAFT-MAT-03PreviousNo prior recorded boundNew39 KAccepted2025-09-11The accepted evidence tightened the recorded frontier.Evidence and attributionAccepted Claim changed the published frontier.Read the canonical Limit record →