Alternate high tech Mayan universe : note

In this document, Carl Sagan briefly describes an idea to show "alternate universes" with "Mayan high technology" in the television series Cosmos: A personal voyage. This includes "a space vehicle named and decorated after Mayan style" as well as "a radio telescope pivoting from a Mayan pyramid." From Carl Sagan's "ideas riding" files, a play on "ideas writing." These files contain a running set of initial concepts for various writing projects.