That's MRT - magnetic resonance imaging. CT scans - computed tomography - use x-rays. https://en.wikipedia.org/wiki/CT_scan https://en.wikipedia.org/wiki/CT_sc

That's MRT - magnetic resonance imaging. CT scans - computed tomography - use x-rays. https://en.wikipedia.org/wiki/CT_scan https://en.wikipedia.org/wiki/CT_scan https://en.wikipedia.org/wiki/Magnetic_resonance_imaging https://en.wikipedia.org/wiki/Magnetic_resonance_imaging The applications for both are slightly different. https://www.medicalnewstoday.com/articles/154877#possible_risks https://www.medicalnewstoday.com/articles/154877#possible_ri... There is a nice course on edX (the content is free), "Introduction to Biomedical Imaging", which teaches the basics of the most common imaging technologies (also adds ultra-sounds and radiology-based scans): https://www.edx.org/course/introduction-to-biomedical-imaging https://www.edx.org/course/introduction-to-biomedical-imagin...