In Taekwondo, patterns are described as a 'series of movements both offensive and defensive against an imaginary opponent', but this description does not do them justice. To me they are so much more.

What is Transmission Kikuchi Diffraction (TKD)? The Transmission Kikuchi Diffraction (TKD) technique, a.k.a. transmission EBSD (t-EBSD), has been recently introduced as a Scanning Electron Microscope ...