Jiminy wrote:Sounds like the same superconducting quantum levitation effects that have been around for a while now. I didn't watch with sounds though, where was the magnetic track Kiral? Looked like a normal concrete skate park.
It's exactly this, and they have 'rails' running under the skate park, which was built for this purpose. In other words, you can only ride in one line around the park. The liquid nitrogen needs to be refilled while its over a piece of the rail, too, so that it sets up the correct resistance.