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The list includes technologies that were first posited in non-fiction works before their appearance in science fiction and subsequent invention, such as ion thruster. To avoid repetitions, the list excludes film adaptations of prior literature containing the same predictions, such as " The Minority Report ".
The National Electrical Contractors Association's National Electrical Installation Standards (NECA 130-2010) recommends that sockets be mounted with the ground hole up, such that an object falling on a partially inserted connector contacts the ground pin first. However, the inverted orientation (with ground pin downwards) is more commonly used.
NEMA 1-15P (two-pole, no ground) and NEMA 5-15P (two-pole with ground pin) plugs are used on common domestic electrical equipment, and NEMA 5-15R is the standard 15-ampere electric receptacle (outlet) found in the United States, and under relevant national standards, in Canada (CSA C22.2 No. 42 [1]), Mexico (NMX-J-163-ANCE) and Japan (JIS C 8303).
In electric power distribution systems, a protective earth (PE) conductor is an essential part of the safety provided by the earthing system. Connection to ground also limits the build-up of static electricity when handling flammable products or electrostatic-sensitive devices.
Electric charge in a material that is not free to move through the material. braking chopper A device used to absorb energy from a motor to slow it down. branch circuit In building wiring, any circuit from the main panelboard to utilization equipment or receptacles. breakdown voltage The maximum voltage a device can withstand without damage.
Technology in science fiction is a crucial aspect of the genre. [ 1 ] [ 2 ] As science fiction emerged during the era of Industrial Revolution , the increased presence of machines in everyday life and their role in shaping of the society was a major influence on the genre.
"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 co-editor of the science fiction journal Extrapolation and a professor of English at the University of Georgia, Isaiah Lavender III, notes the usefulness of the dictionary for academic analysis of issues, saying "Having these origin dates in mind can help a student or scholar build a framework to analyze something like the concept of the ...