Method Over Mystery: Metallurgical Experts Question 'Unknown Metals' in the DOD UAP Program

To the point

Ralph Blumenthal noted some material was studied for its amazing properties but the piece sticks to verified facts, while metallurgists Richard Sachleben and May Nyman say standard methods like X-ray diffraction and existing databases can identify alloys in hours, so the Las Vegas site and its supposed unknown metals are unlikely to be truly mysterious and any space-origin claim would require tangible evidence.