The Problem With High Temperature Superconductors

High temperature superconductors, they're the ones that we don't really understand. There are a lot of smart people working right now on theories of high-temperature superconductors. Nobody wants to say yes, because that's predicting the future. But every few years we get a new kind of superconductor that's warmer than any of the others. And so if that continues, you know, in other few decades, we might get superconductors at fairly warm temperatures.