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A rendering of the magnetic field lines of the magnetosphere of the Earth. In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field. [1] [2] It is created by a celestial body with an active interior dynamo.
Organ transplantation is a common theme in science fiction and horror fiction, appearing as early as 1925, in Russian short story Professor Dowell's Head. [1] It may be used as a device to examine identity, power and loss of power, [2] current medical systems; explore themes of bodily autonomy; or simply as a vehicle for body horror or other fantastical plots.
Teleportation is the theoretical transfer of matter or energy from one point to another without traversing the physical space between them. [1] It is a common subject in science fiction and fantasy literature, film, video games, and television. In some situations, teleporting is presented as time traveling across space.
Energy shield from the game Second Life. In speculative fiction, a force field, sometimes known as an energy shield, force shield, energy bubble, or deflector shield, is a barrier produced by something like energy, negative energy, dark energy, electromagnetic fields, gravitational fields, electric fields, quantum fields, telekinetic fields, plasma, particles, radiation, solid light, magic, or ...
A major theme of science fiction and of speculative biology is to convey a message of optimism or pessimism according to the author's worldview. [5] [6] Whereas optimistic visions of technological progress are common enough in hard science fiction, pessimistic views of the future of humanity are far more usual in fiction based on biology. [4]
An important task in cancer research is developing more precise methods for delivery of medicine to affected areas. One method involves the binding of medicine to biologically compatible magnetic particles (such as ferrofluids), which are guided to the target via careful placement of permanent magnets on the external body.
"The Father-thing" (December 1954), a short story by Philip K. Dick, appearing in the Magazine of Fantasy and Science Fiction, uses the ideas of pods duplicating humans and fire being the means of destroying the pods; Quatermass II (1955), a British science-fiction serial that shows an alien invasion by mind-controlling parasites inside meteorites.
Terraforming is a common concept in science fiction, ranging from television, movies and novels to video games. [84] A related concept from science fiction is xenoforming – a process in which aliens change the Earth or other planets to suit their own needs, already suggested in the classic The War of the Worlds (1898) of H.G. Wells. [85]