<div dir="ltr"><div>A topological insulator is a substance that is a insulator in its interior but a conductor on its surface. In the current issue of Nature Eryin Wang announced that he has found a topological insulator that not only conducts but superconducts, and at high (liquid nitrogen) temperatures! The reason this is important is that this is the perfect place to look for the holy grail of quantum computer research, non-abelian anyons. Computer designers love anyons because these quasi-particles would be far far less susceptible to quantum decoherence than regular particles. If anyons are found a large scale practical quantum computer can't be far behind, and that will change the world.<br>
<br><a href="http://newscenter.lbl.gov/feature-stories/2013/09/16/fault-tolerant-quantum-computing/">http://newscenter.lbl.gov/feature-stories/2013/09/16/fault-tolerant-quantum-computing/</a> <br><br></div> John K Clark<br>
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