History Main / HollywoodMagnetism

11th Jul '16 1:43:09 PM MrFrensley
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* The work portrays the magnet pulling in only one object at a time, whereas in RealLife the magnet would pull all objects at the same time (consistent with the preceding rules).
11th Jul '16 1:40:27 PM MrFrensley
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In RealLife, the strength of a magnet's pull decreases over distance, much like radio waves, sound, and (for astronomical distances) gravity. This is frequently forgotten in fiction; not only are [[SelectiveMagnetism magnets selective]] in ''what'' they attract, they're also selective in ''how'' they attract it: They have effectively unlimited range, and can attract metal with the same force from any distance. Also of note is that this trope tends to treat ''all'' metallic objects as though they were ferromagnetic. In reality, many commonly used metals such as aluminum and gold are not ferromagnetic and do not react appreciably to magnetic fields. Another thing to note is that objects under a magnetic pull tend to close in on the magnet at a constant rate of speed, rather than accelerating over time as they move.

In video games, applications of magnetism are functionally similar to {{Inconveniently Placed Conveyor Belt}}s.

In comedic works, the RuleOfFunny will often take precedence.

Subset of YouFailPhysicsForever and SisterTrope to SelectiveMagnetism. See also MagnetismManipulation.

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In RealLife, the strength Works of a magnet's pull decreases over distance, much like radio waves, sound, and (for astronomical distances) gravity. This is fiction frequently forgotten portray the effects of magnetism in fiction; not only are [[SelectiveMagnetism magnets selective]] in ''what'' they attract, they're also selective in ''how'' they attract it: They have effectively unlimited range, and can attract metal a way that is inconsistent with RealLife. This can be because the same force from any distance. Also of note is that this trope tends to treat ''all'' metallic objects as though they were ferromagnetic. In reality, many commonly used metals such as aluminum and gold are writer did not ferromagnetic and do not react appreciably to magnetic fields. Another thing to note is that objects under a magnetic pull tend to close in on the magnet at research or because the "different" magnetism is a constant rate of speed, rather than accelerating over time as they move.

plot device. In video games, applications of magnetism are can be functionally similar equivalent to {{Inconveniently Placed Conveyor Belt}}s.

Belt}}s. In comedic works, magnetism can be required by the RuleOfFunny will often take precedence.

RuleOfFunny.

There are several ways that magnetism in a work can differ from magnetism in RealLife:
*The work portrays the force of magnetism as independent of distance, whereas in RealLife the magnetic force decreases sharply with distance.
*The work portrays the force of magnetism as acting on all metallic objects, whereas in RealLife only ferromagnetic materials (such as iron, nickel, and cobalt) are attracted by or can become magnets.
*The work portrays an object being attracted by magnetism as having a constant speed, whereas in RealLife a force causes an object's speed to change according to Newton's Second Law.
*The work portrays only the object and not the magnet being pulled, whereas in RealLife the magnet would be pulled toward the object just as hard as the object is pulled toward the magnet (Newton's Third Law).

Subset of YouFailPhysicsForever YouFailPhysicsForever. Often overlaps with SelectiveMagnetism and SisterTrope sometimes MagnetismManipulation, but there are distinct differences:
* MagnetismManipulation occurs when a character in the work can choose how magnetism works and this is set forth explicitly as a special ability.
* HollywoodMagnetism occurs when the work clearly portrays magnetism differently than RealLife.
* SelectiveMagnetism occurs when the force of magnetism is inconsistently portrayed even within the universe of the work.
Please make sure that your example of magnetism as used in fiction goes
to SelectiveMagnetism. See also MagnetismManipulation.
the right trope.
6th Jun '16 5:11:17 AM Morgenthaler
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* In the 1959 ''JourneyToTheCenterOfTheEarth'' film, the pole at center of the earth rips away Hans's gold tooth and Carla's wedding ring, which Sir Oliver takes the time to point was also gold.

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* In the 1959 ''JourneyToTheCenterOfTheEarth'' ''Film/JourneyToTheCenterOfTheEarth'' film, the pole at center of the earth rips away Hans's gold tooth and Carla's wedding ring, which Sir Oliver takes the time to point was also gold.
19th Mar '16 3:30:03 AM ScorpiusOB1
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* Often happens in MortadeloYFilemon. Examples include them using a big magnet, so a plane will crash... but instead blowing off an airliner's engine, a device by [[MadScientist Profesor Bacterio]], that repels metal -up to ''submarines''-, or as a punishment tying a magnet to Profesor Bacterio and having him attempting to escape of a nuclear bomb attracted by it.

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* Often happens in MortadeloYFilemon. Examples include them using a big magnet, so a plane will crash... but instead blowing off an airliner's engine, engine that crushes them, a device by [[MadScientist Profesor Bacterio]], that repels metal -up to ''submarines''-, or as a punishment tying a magnet to Profesor Bacterio and having him attempting to escape of a nuclear bomb attracted by it.
19th Mar '16 3:29:17 AM ScorpiusOB1
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Added DiffLines:

* Often happens in MortadeloYFilemon. Examples include them using a big magnet, so a plane will crash... but instead blowing off an airliner's engine, a device by [[MadScientist Profesor Bacterio]], that repels metal -up to ''submarines''-, or as a punishment tying a magnet to Profesor Bacterio and having him attempting to escape of a nuclear bomb attracted by it.
22nd Feb '16 7:07:54 AM Knight20
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11th Jan '16 11:28:59 PM MasamiPhoenix
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Added DiffLines:

** Lampshaded in the movie, where Carl gives Perry a similarly powerful wrist magnet. After they attract his glasses, he points out that they are aluminum, making the magnet that much more impressive. Later, Perry uses the magnet to attract a key which appears to be either copper or gold (but it was never explicitly stated) while having no effect on the metal robot holding the key.
19th Oct '15 2:01:26 PM DracoKanji
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*** Well, plausible until you realize that even if you don't have them equipped, you still have to be carrying them, and would be subject the exact same attraction. It's the same thing with earlier games and having the boots allow you to sink in water and walk on the bottom, but once you take them off, you're magically lighter.
**** Either that or Link's BagOfHolding is magnetically-shielded when closed, preventing the magnetic field from entering and attracting the boots while stored. Makes about as much sense as the fact that he can jump or even walk straight with those boots in his inventory, at least. Now that I think about it, maybe it's a literal PocketDimension?

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*** Well, plausible until you realize that even if you don't have them equipped, you still have to be carrying them, and would be subject the exact same attraction. It's the same thing with earlier games and having the boots allow you to sink in water and walk on the bottom, but once you take them off, you're magically lighter.
****
lighter. Either that or Link's BagOfHolding is magnetically-shielded when closed, preventing the magnetic field from entering and attracting the boots while stored. Makes about as much sense as the fact that he can jump or even walk straight with those boots in his inventory, at least. Now that I think about it, maybe Maybe it's a literal PocketDimension?
6th Sep '15 9:11:49 PM Prfnoff
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->'''Exeter:''' Place your hands above the rails. They're magnetized.
->'''Mike:''' And if your hands were metal that would mean something.
-->-- ''Series/MysteryScienceTheater3000'', MysteryScienceTheater3000TheMovie

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->'''Exeter:''' Place your hands above the rails. They're magnetized. \n->'''Mike:''' \\
'''Mike:'''
And if your hands were metal that would mean something.
-->-- ''Series/MysteryScienceTheater3000'', MysteryScienceTheater3000TheMovie
''Series/MysteryScienceTheater3000: TheMovie''



* In the ''{{Superman}}'' (1940s) episode "The Magnetic Telescope", the title device is used to drag comets in space down to Earth.

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* In the ''{{Superman}}'' (1940s) episode ''WesternAnimation/{{Superman|TheatricalCartoons}}'' cartoon "The Magnetic Telescope", the title device is used to drag comets in space down to Earth.
22nd Aug '15 6:35:57 PM Berrenta
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* In the pilot episode of ''WesternAnimation/PhineasAndFerb'', [[MorallyAmbiguousDoctorate Dr.]] [[FailOSuckyName Doof]][[HerrDoktor enshmirtz]] builds a magnet so strong it even attracts ''aluminum'', a metal not normally known to react to magnetism.

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* In the pilot episode of ''WesternAnimation/PhineasAndFerb'', [[MorallyAmbiguousDoctorate Dr.]] [[FailOSuckyName [[UnfortunateNames Doof]][[HerrDoktor enshmirtz]] builds a magnet so strong it even attracts ''aluminum'', a metal not normally known to react to magnetism.
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