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The near field refers to places nearby the antenna conductors, or inside any polarizable media surrounding it, where the generation and emission of electromagnetic waves can be interfered with while the field lines remain electrically attached to the antenna, hence absorption of radiation in the near field by adjacent conducting objects detectably affects the loading on the signal generator ...
Sometimes the far future genre moves from science fiction to fantasy, showing a society where civilization has regressed to the point where older technologies are no longer understood and are seen as magic. This subgenre is sometimes known as the "far future fantasy" [2] and partially overlaps with the science fantasy genre. [3]
Unlike the works about the far future, set thousands or more years in the future and often tackling philosophical concepts such as the ultimate fate of the universe, fiction set in the near future, roughly defined as within the next few years or decades, α has been described as more realistic and containing themes that have been described as more socially relevant.
Science fiction (sometimes shortened to sci-fi or abbreviated SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.
"A science fiction story is a story built around human beings, with a human problem, and a human solution, which would not have happened at all without its scientific content." [13] Basil Davenport. 1955. "Science fiction is fiction based upon some imagined development of science, or upon the extrapolation of a tendency in society." [14] Edmund ...
The far-field pattern of an antenna may be determined experimentally at an antenna range, or alternatively, the near-field pattern may be found using a near-field scanner, and the radiation pattern deduced from it by computation. [1] The far-field radiation pattern can also be calculated from the antenna shape by computer programs such as NEC.
While science fiction is a unique genre of fiction unto itself, it is also sometimes used as an umbrella term for a variety of distinct non-realistic or speculative fiction genres, most particularly fantasy. Conversely, speculative fiction is sometimes used as the umbrella term for SF, fantasy, Magic realism, horror, etc.
This is a list of genres of literature and entertainment (film, television, music, and video games), excluding genres in the visual arts.. Genre is the term for any category of creative work, which includes literature and other forms of art or entertainment (e.g. music)—whether written or spoken, audio or visual—based on some set of stylistic criteria.