A Very Convincing Practical Demonstration That Explains Why Metal Is Forbidden During an MRI
In 2010, Berkeley, California-based practiCal fMRI performed a number of silly, but educational experiments using a 4 tesla MRI magnet that was about to be decommissioned. Among these experiments was a very convincing practical demonstration as to why one should never wear or bring anything made of metal anywhere near an MRI.
More recently, during the latest episode of Physics Girl, host Dianna Cowern addressed the safety of MRIs and explained how they work in detail.
Are there any dangers associated with receiving an MRI and how exactly does an MRI work? Is it safe? Medical imaging, specifically magnetic resonance imaging (MRI), has come so far that we can create high resolution images of the entire body. The technology utilizes a cylindrical cavity surrounded by a giant electromagnet, and the magnetic field though the cavity is used to image body tissue.
Lori Dorn
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