For years, speculation has surrounded the Black Manta, or TR3B, the flying triangle. Without a doubt, many witnesses have seen and recorded video of some sort of triangular craft -- which officially doesn't exist.
Whether it utilizes a form of rotating mercury plasma or a superfluid anti-gravity engine, or something else, is something that fascinates researchers. Richard interviews filmmaker Darcy Weir and aviation expert Jim Goodall to talk about this and related topics. Darcy has just produced a new film titled Secret Space UFOs: The Rise of the TR3B.
