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@sjb@mstdn.io1 inch aperture Halbach dipole #magnet made of off-the-shelf permanent magnet cuboids and a 3D printed holder. This has a central field of 0.34 Tesla, would be 0.5 Tesla with more longitudinal slices. #physics #accelerators
@sjb that's a lot of Tesla
@wolf480pl We have some that can do 1.8 Tesla but they're made of metal at an external company. The beauty of this thing is that it's cheap and easy.
@wolf480pl Or at least it would be easy if the magnet supplier didn't ship 200 magnets in a solid brick joined together.