Scanners and the Imaging Process. Most magnets used for cardiovascular purposes operate at a field strength of 1.5 T, which is 30,000 times stronger than the magnetic field of the earth.

Ah, magnets. Refrigerators are full of ’em. They power our Netflix binge-sessions. When broken down into tiny pieces and smashed into Silly Putty, they can provide hours of fun. But how do ...