MRI scans This is a pretty good explanation MRI How MRI Works MRI MRI machines magnetic resonance imaging (MRI) howstuffworks.com MRI guide http://science.howstuffworks.com/mri.htm http://science.howstuffworks.com/mri.htm magnetic resonance imaging magnetic resonance imaging MRI scans gradient magnets magnetic resonance imaging magnetic resonance imaging This is a pretty good explanation MRI This is a pretty good explanation MRI scans How Stuff Works- MRI magnetic resonance imaging MRI MRI Magnetic resonance imaging MRI Brain-imaging MRI This is a pretty good explanation MRI fMRIs MRI How MRI Works How MRI Works MRIs MRI MRI MRI MRI MRI machines http://science.howstuffworks.com/mri.htm magnetic resonance imaging MRI scanners MRI How MRI Works MRI MRI machines