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"I kind of take it for granted that our great-grandchildren will regard us as a sort of precursor species. That they won't think of us as human and if we could see them, we probably wouldn't think of them as human either."
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This is taken from the novel as published in Astounding, and is a very early description of this concept.
The end result was a ship that looked somewhat more streamlined - not that it matters in space.
The New Frontiers was approximately cylindrical in shape. When not under acceleration, she spun about her longitudinal axis, giving a feeling of pseudo-weight to passengers near the outer skin of the ship. The outer shell or “lower” level of compartments had been intended, therefore, as living compartments; the inner, or “upper,” levels for storage, et cetera. The main drive and the main converter were located along the axis at the highest level of no-weight.
Since the design is roughly that of the larger free-flight ships in use today, it seems unnecessary to go into more detail, as long as one bears in mind the enormous size of the ship. She had been designed to provide ample living space for a colony of twenty thousand, which would allow the original complement to double their numbers en route to Proxima Centauri. The hundred thousand and more members of the Families found themselves overcrowded five-fold.
The "sweep field" idea also goes by the name Bussard ramjet, used in Larry Niven's A World Out of Time (1976). The Bussard ramjet is a theoretical method of spacecraft propulsion proposed in 1960 by the physicist Robert W. Bussard.
However, as we can see here, Robert Heinlein proposed exactly the same idea in 1941.
However (2) see also automatic refueling field from Biddiver (1941) by Theodore Sturgeon. Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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