How powerful is an MRI magnet?
An MRI machine produces a magnetic field between 5,000 and 20,000 gauss (10,000 gauss = 1 tesla). Magnetic fields greater than two tesla are not approved for use in medical imaging.
Compare that with the 0.5-gauss magnetic field of the Earth (the force that pulls compasses around) and you can see how incredibly powerful these magnets are.
In fact the magnetism in an MRI is strong enough to cause scalpels, watches and even beds to fly across a room into its massive field.
The story of a floor polisher being pulled into an MRI even made into newspapers.
But nothing demonstrates that power as graphically as this shot.
Those floor pallets are very heavy. Especially when fully loaded like the one depicted.