Before revision: This technique has been used to create the most intense manmade magnetic fields on Earth; fields up to about 1000 teslas (about 1000 times the strength of a typical permanent magnet) can be created for a few microseconds.
After revision: neodymiumThis technique has been used to create the most intense manmade magnetic fields on Earth; fields up to about 1000 teslas (about 1000 times the strength of a typical permanent magnet) can be created for a few microseconds.