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# No, I know about MRI, I was interested in the fact that you can do operations in it
For one thing, such a big magnet is not going to play nicely with metal surgical tools
www.mentalfloss.com/blogs/archives/14006
(I helped save b3ta! the wub - guide onion for the blind, Wed 24 Feb 2010, 10:30, archived)
# Aha!
Should be ok with several types of diamagnetic metals - we use several copper components in the SQUID, which goes up to 5 Tesla. Also, you can make very sharp blades with certain polymers - apparently used by spies and the like as they don't really show on X-rays well.
(I helped save b3ta! Colonel Boris "...a desperate Buzzfeed imitation...", Wed 24 Feb 2010, 10:43, archived)