What about 3D and 4D ultrasound technology ... once in pregnancy—the most well-known and common type is the anatomy scan, ...

The following is a summary of "Dosimetric investigation of multi-parametric 4D-MRI for radiotherapy in liver cancer," ...

NSOM is a technique that uses a tiny probe to scan a surface and capture ... that the surface wave patterns in 3D quasicrystals are influenced by hidden 4D periodic structures.

Definition:4D Scanning Transmission Electron Microscopy (4D-STEM ... leading to a comprehensive three-dimensional (3D) spatial and one-dimensional (1D) angular resolution. The technique offers ...