Smith, David Schurig, and Steve Cummer discuss their work in "cloaking" an object by bending microwaves around it. Their device consists of 10 concentric rings of a copper-and-fiberglass metamaterial.

They also theorized that the same cloaking device hid a craft that landed in Las Vegas on April 30, 2023. Roder pointed out a dark blur in the video, which skeptics have dismissed as a shadow or ...