The claim of recovered materials from UFOs, crashed or otherwise, comes in various forms and pops up in various UFO/UAP related threads. These claims can also derail other threads as the notion of recovered meta materials is a small or tangential part of a greater claim. The case of whistleblower David Grusch comes to mind. One of his many claims involves reverse engineering of “materials of non-human origins”, which can lead to Gary Nolen and Jaque Vallee’s work on supposed UFO material and then Tom DeLong’s TTSA (To The Stars Acadamy)’s claim of meta-materials and onto the late Art Bells’ collection of “Art’s Parts”. All of which can get off the main topic in a hurry.
I’m not sure each above mentioned claim needs its own thread ... Read even more