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St Jude Children's Research Hospital in Memphis, TN, is home to the most powerful magnet in the world.
Memphis Business Journal - Oct 6, 2017
A researcher leading the department of a local hospital that will install “the most powerful magnet in the world” arrived in Memphis last summer.
https://www.bizjournals.com/memphis/news/2017/10/06/meet-the-scientist-bringing-the-most-powerful.html