Louis Vuitton has opened an expansive, extraordinary installation by James Turrell—the contemporary artist known for his work with light and its interaction with space—in Las Vegas. This installation, titled Akhob, uses the ganzfeld effect,a phenomenon of visual perception that happens when a viewer stares at an unstructured, uniform field of color. Akhob, from the Amarna-period Egyptian for “pure water,” is the artist’s largest ganzfeld effect to date. In addition to the Las Vegas installation, Turrell’s work…