Building a 4D Volumetric "Digital Twin" of the Planet using voxels. If you are unfamiliar with voxels, think of them as 3D pixels and in this case, each voxel can exist in an infinite number of time states which gives them a fourth dimension.
Building a 4D "Digital Twin" of the Planet | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography - Listen or read transcript on Metacast