> They didn't perform tests above that temperature. Right, exactly, they're claiming that Tc is above 127°C. The claim is that it's a superconductor at (some)

> They didn't perform tests above that temperature. Right, exactly, they're claiming that Tc is above 127°C. The claim is that it's a superconductor at (some) temperatures even higher than what was tested. It's also still a superconductor at temperatures below.