Scientific Essays Ghosts Disability Essay

These drafts, everything from grant proposals, correspondence, and his books and articles, were dictated to cassettes and transcribed. When working on books in the 80s and 90s he would dictate sections, which were transcribed for him.

For example, listen to some of these digitized sections of an audio cassette that contains parts of Sagan's novel he annotated and revised. He would then mark up print outs of the transcripts and edit, revise and assemble them into drafts.

A selection from the mid-60s through the 90s has been digitized to give a sense of the diversity of his interests.

These include everything from the properties of clouds on Venus, to the potential value of an astronomical observatory on Mars, to ideas for a science fiction novel involving the CIA and the NSA investigating UFOs, and musings on the possibilities of interstellar communication as music.

Scientist's notebooks offer an opportunity to study their ongoing thought process.

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It's a chance to understand not only what Carl Sagan thought, but how he became one of the modern ambassadors of science to the general public.

Exploring the archive reveals that Sagan was constantly developing ideas for possible projects.

You can find ideas for a textbook written on the back of an American Academy of Sciences envelope, alongside a partially completed to-do list of urgent projects, ideas for more than a hundred ideas for children's books that answer why questions, like "Why is the Sky Blue?

For example, Carl Sagan's ongoing ideas and reflections in notebooks from his time in college, for a brief period in a notebook in the late 1960s, and on particular topics, like this notebook on Jupiter's Moon Titan.

Sagan was not generally in the habit of keeping a notebook of his running thoughts and ideas.

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