Posts tagged with "Magnets":

The Meissner Effect, or How to Levitate a Magnet

Hello everyone, and welcome to another installment of "Cool Things About Superconductors." Oh, wait. That's not a thing I'm doing. Despite that, there are so many cool things about superconductors, and I'm going to cover one of them today (well, technically, one and a bit): the Meissner Effect. What is the Meissner Effect? Well, it's something that happens when a normal conductor hits its critical temperature. That temperature is the temperature that, below it, the ordinary run-of-the-mill conductor begins superconducting. This means that it goes from having a normal, everyday amount of resistance to electric currents, to having exactly zero resistance to electric currents. And while there are so many other cool things that happen as a consequence of this, we're going to talk about what happens right at that moment.

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