Picture of Damage Casued by Objects Flying into Scanner
Once you've been in the MRI field for any length of time, you start hearing all of the various horror stories about things that have flown into a scanner. Often, newcomers don't take the real danger of flying objects seriously until they witness an oxygen tank or gurney flying into a magnet themselves.

Chair

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Tony Tiger

Welding Tank
Reprinted from Simply Physics, through the courtesy of Moriel NessAiver, Ph.D.