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Cyanogen is the chemical compound with the formula (C N) 2. The simplest stable carbon nitride, it is a colorless and highly toxic gas with a pungent odor. The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups ‒ analogous to diatomic halogen molecules, such as Cl 2, but far less oxidizing.
The Galactic Center Saga is a series of books by author Gregory Benford detailing a galactic war between mechanical and biological life. In the Ocean of Night (1977) [1] — 1977 Nebula Award nominee, [2] 1978 Locus Award nominee [3] Across the Sea of Suns (1984) Great Sky River (1987) [4] — 1988 Nebula Nominee [5]
Glucose (C 6 H 12 O 6), ribose (C 5 H 10 O 5), Acetic acid (C 2 H 4 O 2), and formaldehyde (CH 2 O) all have different molecular formulas but the same empirical formula: CH 2 O.This is the actual molecular formula for formaldehyde, but acetic acid has double the number of atoms, ribose has five times the number of atoms, and glucose has six times the number of atoms.
An early appearance of an Orion-style nuclear pulse propelled rocket in science fiction was in the science fiction novel Empire of the Atom written by A. E. van Vogt in 1956. In this novel there is a post-atomic-war interplanetary empire called the Empire of Lynn that uses Orion-type nuclear rockets for interplanetary spaceflight.
The Fountains of Paradise is a 1979 science fiction novel by British writer Arthur C. Clarke.Set in the 22nd century, it describes the construction of a space elevator.This "orbital tower" is a giant structure rising from the ground and linking with a satellite in geostationary orbit at the height of approximately 36,000 kilometres (approx. 22,300 miles).
A Canticle for Leibowitz is a post-apocalyptic social science fiction novel by American writer Walter M. Miller Jr., first published in 1959.Set in a Catholic monastery in the desert of the southwestern United States after a devastating nuclear war, the book spans thousands of years as civilization rebuilds itself.
First editions (publ. Night Shade Books) Orthogonal is a science fiction trilogy by Australian author Greg Egan taking place in a universe where, rather than three dimensions of space and one of time, there are four fundamentally identical dimensions. [1]
The Foundation series is a science fiction book series written by American author Isaac Asimov.First published as a series of short stories and novellas in 1942–50, and subsequently in three books in 1951–53, for nearly thirty years the series was widely known as The Foundation Trilogy: Foundation (1951), Foundation and Empire (1952), and Second Foundation (1953).