hallucinations and closed-eye visualizations ( CEV... Some people report CEV under the influence of psychedelics;... Levels of CEV perception There are five known levels of...
Crew Exploration Vehicle ( CEV ) was a component of the U.S. NASA Vision for Space Exploration plan. A competition was held to design a spacecraft that could carry humans to the destinations envisioned by the plan. The winning design was the Orion spacecraft. Although it was...
