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In addition to functional programming, the other idea that are originated by john mccarthy is space fountain e-commerce.
One design for an exceptionally tall tower that extends into space is called a space fountain. As a static tower of this height cannot be supported by known materials, a space fountain must be an active structure: From a ground station, a stream of pellets is accelerated upward. It is redirected downward at the top. The station at the top and the payloads ascending the structure are supported by the force required for this deflection.
From the top, a spaceship might take off without having to contend with the environment. Payloads could be launched for less money as a result. The tower will re-enter the atmosphere if the accelerator malfunctions and the stream stops, which is its biggest structure drawback. There are numerous redundant streams that could lower this danger.
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