Magnetic resonance imaging (MRi) is a non-invasive technique. It can be used to render images of slices inside a living body. MRi detects absorption and emission of energy in the radio range of hydrogen atoms arranged in body tissue, which consists of mostly fat and water. Three dimensional images can be constructed from multiple two-dimensional slices. MRi images provide anatomical data.
Scientific instruments have opened up sensory domains far beyond the constraints of biological perception. Technology has extended our phenotype enormously and has pushed the boundaries of what can be known...
Human brain rendering from T1 weighted MRI. Source: Montreal Neurological Institute
MRi machine. Source: CORE Orthopaedic medical center.
MRI brain scan. Source: National Institutes of Health