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Where is everybody? Enrico Fermi asked this question in the summer of 1950 with fellow physicists and the Fermi Paradox born. There are immense number of answers to that question but personally I'm not convinced by them. But I cannot stop myself to think about big questions, so here is my answer.

Since my master thesis, "Holographic Superconductors and Rotating Black Hole", I'm getting thriled by superconductors. It's not the case for everything that I worked on! For instance, I'm not a fan of Ads/CFT that I worked on it back then. Nonetheless, superconductors are so fascinating. High-temperature superconductors could change our life in a way that we'll call it superconductor age, if we wouldn't get extinct by then, the same way that we had stone age, iron age, and we're living in the silicone age. Writing of superconductor age, a piece of puzzle that I'll write here about is a speculation that a version of superconductor age has already passed!