WorldCat Identities

Polytel International

Overview
Works: 64 works in 87 publications in 1 language and 651 library holdings
Genres: Popular works  History  Interviews 
Classifications: QB981, 520
Publication Timeline
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Most widely held works by Polytel International
Encyclopedia galactica ; Who speaks for Earth?( Visual )

3 editions published in 2000 in English and held by 32 WorldCat member libraries worldwide

[Volume] XII : Scrutinizes a notorious UFO incident and the unsubstantiated theories of von Daniken. Explores the probable nature of intelligent civilizations in the universe and the means by which contact might be made. Notes that the "Rosetta Stone" for interstellar communication is likely to involve the laws of physics. At the Arecibo Observatory in Puerto Rico, Dr. Sagan programs the world's largest radio telescope to listen for signs of life on a distant star. [Volume] XIII : Dr. Carl Sagan reviews the ideas of cosmic evolution, the methodology of the scientific approach, and the limitations of our perceptions about the cosmos. Dr. Sagan also gives some cautionary warnings about the types of futures we face as a species and as a planet
One voice in the cosmic fugue ; The harmony of the worlds( Visual )

3 editions published in 2000 in English and held by 32 WorldCat member libraries worldwide

1st program: Sagan addresses the question of life and its origins and speculates about life in other worlds. Also examines molecular biology, Miller-Urey experiment and DNA. 2nd program: Sagan explores how different societies have interpreted the character of the universe. Also comments on the contributions of Copernicus, Galileo, and Newton
The Shores of the cosmic ocean by Carl Sagan( Visual )

3 editions published between 1980 and 2000 in English and held by 28 WorldCat member libraries worldwide

From the shores of the great ocean of space, Carl Sagan embarks on an immense cosmic journey which begins 8 billion years from earth, abroad his spaceship of the imagination. He takes us to the wonders of the Cosmos: quasars, spiral galaxies, etc., then focuses on the planet earth and the early Egyptian scientific research, including the Alexandrian Library. Dr. Sagan also discusses early scientific discoveries concerning measurement of the earth's circumference and its spherical nature
Cosmos( Visual )

2 editions published in 1980 in English and held by 27 WorldCat member libraries worldwide

Traveler's tales by Carl Sagan( Visual )

3 editions published between 1980 and 2000 in English and held by 24 WorldCat member libraries worldwide

Traveller's tales : A visit with Dr. Carl Sagan and his colleagues at NASA's Jet Propulsion Laboratory in Pasadena who are involved with the Voyager II exploratory mission to the environs of Jupiter and its satellites; contrasts 20th century space exploration with that in 17th century Holland and the achievements of Christiaan Huygens
The edge of forever ; The persistence of memory( Visual )

1 edition published in 2000 in English and held by 18 WorldCat member libraries worldwide

1st program: Sagan discusses early theories about the universe and, with the help of computer animation, he describes modern advancements in our understanding of the nature of the universe. 2nd program: Sagan describes the nature of genetic information, the function of human brain, and the chemical-electrical process that enables us to think
Travels in space and time ; The lives of the stars( Visual )

1 edition published in 2000 in English and held by 17 WorldCat member libraries worldwide

1st program: Carl Sagan uses computer animation to show the positions of the constellations and to explain the concept of a light year. 2nd program: Sagan discusses the anatomy of stars, stellar evolution, supernovae, and neutron stars
Journeys in space and time ; The lives of the stars( Visual )

2 editions published in 2000 in English and held by 17 WorldCat member libraries worldwide

[Volume] VIII : With Carl Sagan we circle around the Big Dipper to see it from a new perspective. In a time machine, we explore what would happen if the past could be altered. We travel to the planets of other stars. We retrace the teen-age Albert Einstein's reverie about traveling on a beam of light; his theory of relativity predicts strange effects that arise from travel near the speed of light. [Volume] IX : A discussion of the building blocks of matter--molecules, atoms, subatomic particles--leads to an explanation of the anatomy of stars and the forces that act on stellar interiors. Stellar evolution, supernovae, and neutron stars are all dealt with. An "Alice in Wonderland" sequence is used as a playful point of reference to explain gravitational effects, from earth gravity to black holes
Heaven and hell ; Blues for a red planet by Andres Serrano( Visual )

2 editions published in 2000 in English and held by 17 WorldCat member libraries worldwide

[Volume] IV : Host Carl Sagan describes the interaction of two processes, gradualism and catastrophism, which he maintains are responsible for the evolution of our universe, solar system, and even life on earth. Dr. Sagan discusses meteorites and comets, especially the Tunguska blast, and introduces the concept of comparative planetology. The theories of Velikovsky and other theories about the planet Venus are presented. [Volume] V : Reviews man's fascination with Mars and theories about the planet, notably those of Percival Lowell. Uses special effects, elaborate models and actual photographs relayed from Mariner and Viking probes. Discusses the advances in our knowledge of Mars since the times of Wells, Lowell, and Goddard. Speculates on the future
Travellers' tales ; The backbone of night( Visual )

1 edition published in 2000 in English and held by 16 WorldCat member libraries worldwide

1st program: Sagan visits NASA's Jet Propulsion Lab in Pasadena, CA where he uses images recorded by Voyager II to explain how data is transmitted and processed. 2nd program: Carl Sagan describes the scientific innovations of ancient Ionian physicists, their theories on the nature of air, atoms, and the stars, and ultimate decline
Cosmos, a personal voyage( Visual )

2 editions published in 2000 in English and held by 14 WorldCat member libraries worldwide

Persistence of memory: Discusses the brain, its functions, brain size and environment, and the physiological synoptic response which enables humans to think. Shows how communication is translated from the "libraires" of the genes and the brain. Discusses DNA in whales and humans, and the study of communication among whales
Heaven and hell ; Blues for red planet( Visual )

1 edition published in 2000 in English and held by 11 WorldCat member libraries worldwide

1st program: Carl Sagan describes the interaction of two processes, gradualism and catastrophism, which he maintains are responsible for the evolution of our universe, solar system. 2nd program: Using special effects, elaborate models, and actual photographs by the Mariner and Viking probes, Sagan discuss advancements in our knowledge of Mars
Encyclopaedia galactica by Carl Sagan( Visual )

1 edition published in 1980 in English and held by 10 WorldCat member libraries worldwide

Dr. Carl Sagan explores the probable nature of intelligent civilizations in the universe and the means by which contact might be made
Travellers' tales( Visual )

1 edition published in 1989 in English and held by 7 WorldCat member libraries worldwide

Carl Sagan explores the red planet, Mars, from its coverage in literature through the visits of the Viking spacecraft
The Persistence of memory : Encyclopaedia galictica by Carl Sagan( Visual )

2 editions published between 1980 and 1989 in English and held by 3 WorldCat member libraries worldwide

Carl Sagan describes the nature of genetic information, the functions of the human brain, and the chemical-electrical processes that enable us to think
Who speaks for earth : Sagan-Turner, a dialogue by Carl Sagan( Visual )

2 editions published between 1980 and 1989 in English and held by 2 WorldCat member libraries worldwide

Sagan reviews his ideas of cosmic evolution, the scientific method and the limitations of our perceptions about the cosmos. He also offers some warnings about the types of futures we face as a species and as a planet, particularly in the context of nuclear war
The Lives of the stars : the edge of forever by Carl Sagan( Visual )

2 editions published between 1980 and 1989 in English and held by 2 WorldCat member libraries worldwide

Carl Sagan discusses stars - their origin and nature
Journeys in space and time by Carl Sagan( Visual )

2 editions published in 1980 in English and held by 2 WorldCat member libraries worldwide

Dr. Carl Sagan explains the concept of the light year, introduces Einstein's theory of relativity and illustrates his precepts of space and time, discusses interstellar and space travel, and touches on time travel
Cosmos: a personal voyage( Visual )

1 edition published in 1989 in English and held by 1 WorldCat member library worldwide

Episode 13 of a 13 part series in which American author and scientist Dr Carl Sagan presents his personal view of the nature of the cosmos, explaining how man has achieved his present level of scientific understanding, how the cosmos has shaped evolution and our global future. In episode 13 Sagan reviews his ideas of cosmic evolution, the scientific method and the limitations of our perceptions about the cosmos. Sagan also offers some warnings about the types of futures we face as
 
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Audience level: 0.26 (from 0.21 for Cosmos, a ... to 0.53 for Cosmos: a ...)

Languages
English (35)