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Founded in 1994 by Robert P. Hoyt and Robert L. Forward, Tethers Unlimited began developing products based on space tether technologies, including concepts for removal of space debris [4] and momentum exchange tethers for launching payloads into higher orbits.
Robert Lull Forward (August 15, 1932 – September 21, 2002) was an American physicist and science fiction writer. [2] His literary work was noted for its scientific credibility and use of ideas developed from his career as an aerospace engineer .
The fission sail is a type of spacecraft propulsion proposed by Robert Forward that uses fission fragments to propel a large solar sail-like craft. [1] It is similar in concept to the fission-fragment rocket in that the fission by-products are directly harnessed as working mass, and differs primarily in the way that the fragments are used for thrust.
The fission sail is a type of spacecraft propulsion proposed by Robert Forward that uses fission fragments to propel a large solar sail-like craft.It is similar in concept to the fission-fragment rocket in that the fission by-products are directly harnessed as working mass, and differs primarily in the way that the fragments are used for thrust.
This concept, called a laser-pushed lightsail, was initially proposed by G. Marx [5] but first analyzed in detail, and elaborated on, by physicist Robert L. Forward in 1989 [6] as a method of interstellar travel that would avoid extremely high mass ratios by not carrying fuel.
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"Starwisp" is a concept for an ultra-low-mass interstellar probe pushed by a microwave beam. It was proposed by scientist and author Robert L. Forward in 1985, [1] and further work was published by Geoffrey A. Landis in 2000. [2] The proposed device uses beam-powered propulsion in the form of a high-power microwave antenna pushing a sail.
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