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Quantum Leviation

As you seem to be geeky enough to read this blog, I assume that you all remember the awesome “hover board” from the movie back to the future. It was so much fun to watch Micheal J Fox ride this skate board with no wheels like crazy. I was so impressed.

Today I am impressed again, as I found a video on youtube the shows a quantum leviation demo. They are using a silicon wafer coated with some special copper alloy. Cooling the wafer down to very low temperatures makes it a superconductor. This way they are able to let the waver float over a magnetic rail.

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