magnet

This small prototype permanent magnet designed by a team from Japan's National Institute of Radiological Sciences has exceeded 4 tesla. The inner diameter is 6 mm and the length is 150 mm.
International Journal of High-Energy Physics

This small prototype permanent magnet designed by a team from Japan's National Institute of Radiological Sciences has exceeded 4 tesla. The inner diameter is 6 mm and the length is 150 mm.