A medical imaging technology developed at the Univerisity of Manitoba breast cancer detection has been adapted for a new application: monitoring grain in storage. The GrainViz system uses a series of electromagnetic antennas mounted around the inside of the grain bin, which generates real-time 3D images of the contents of the bin.
https://www.realagriculture.com/2018/01/medical-3d-imaging-technology-adapted-to-monitor-moisture-in-grain-bins/