History Main / DePopulationBomb

24th Sep '16 10:46:58 AM Unregistered
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* In ''ComicBook/Crossed'' it is said that out of a population of 6 billions, only 200 millions of humans survived C-Day AKA the mass infestation event that unleashed the Crossed virus into the world.

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* In ''ComicBook/Crossed'' ''ComicBook/{{Crossed}}'' it is said that out of a population of 6 billions, only 200 millions of humans survived C-Day AKA the mass infestation event that unleashed the Crossed virus into the world.
24th Sep '16 10:45:08 AM Unregistered
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* In ''ComicBook/Crossed'' it is said that out of a population of 6 billions, only 200 millions of humans survived C-Day AKA the mass infestation event that unleashed the Crossed virus into the world.
10th Sep '16 10:01:19 PM WillBGood
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** Depending on your definition, [[spoiler:Third Impact, too. Fans just can't seem to agree just how depopulating the latter's effect was. {{Instrumentality}} depopulates as definitely as old-fashioned explosions, but unlike a bomb victim, those caught in it ''can'' return to life if they want... [[LotusEaterMachine it's just that wanting to isn't easy]].]]

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** Depending on your definition, [[spoiler:Third Impact, too. Fans just can't seem to agree just how depopulating the latter's effect was. {{Instrumentality}} [[AssimilationPlot Instrumentality]] depopulates as definitely as old-fashioned explosions, but unlike a bomb victim, those caught in it ''can'' return to life if they want... [[LotusEaterMachine it's just that wanting to isn't easy]].]]
4th Aug '16 7:34:59 PM UmbrellasWereAwesome
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* The eponymous ''Franchise/{{Halo}}''s, which kill all sentient life in the galaxy; specifically, ''Literature/TheForerunnerSaga'' says that they use "bursts of cross-phased supermassive neutrinos" tuned to destroy nervous systems. They do this in order to starve out [[TheVirus the Flood]] by killing both their potential hosts and any Flood form more advanced than a basic Infection Form. Before they fired the Halos, the Forerunners made sure to evacuate as many species as they could to an extragalactic safe spot; afterwards, they were resettled on their homeworlds, with each species forced to start off as hunter-gatherers again. Each individual Halo does have a limited range though, which is why there's seven of them.

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* The eponymous ''Franchise/{{Halo}}''s, which kill all sentient life in the galaxy; specifically, ''Literature/TheForerunnerSaga'' says that they use "bursts of cross-phased supermassive neutrinos" tuned to destroy nervous systems. They do this in order to starve out [[TheVirus the Flood]] Flood]], by killing both their potential hosts and any Flood form more advanced than a basic Infection Form. Before they fired the Halos, the Forerunners made sure to evacuate as many species as they could to an extragalactic safe spot; afterwards, they were resettled on their homeworlds, with each species forced to start off as hunter-gatherers again. Each individual Halo does have a limited range though, which is why there's seven of them.
4th Aug '16 7:34:23 PM UmbrellasWereAwesome
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* The eponymous ''Franchise/{{Halo}}''s, which kill all sentient life in the galaxy. They do this in order to kill off possible hosts for [[TheVirus the Flood]] in order to stop them spreading any further than they already ''have'' because there's no way to simply kill ''them'' off that presumably doesn't destroy every ounce of organic matter in the galaxy. Planets aren't destroyed though, so the method used is never quite explained. They do have a limited range though, which is why there's seven of them.
** According to the recently-released Encyclopedia, the Halos work by "sending out a harmonic frequency that targets certain neural cells in sentient organisms". Or something like that.
*** It that probably somehow overloads and fries the brain of anything with an advanced nervous system though this would requite some serious technobabble to pull off.
*** It is explained in the Halo universe that the main way the Flood replicate themselves is to infect any organism that has sufficient calcium biomass and a central nervous system, in which humans (and presumably Forerunner) and Elites are perfect specimen. This is possibly the reason you never see Grunts or Jackals infected, as they supposedly do not contain enough calcium in their bodies, and hunters have no central nervous system as they are a hive of worms. You never saw Brutes infected in Halo 2 due to the thickness of their skin but by Halo 3 the Flood got smarter and entered through their mouths. It is explained that other bodies not sufficient for infection or too damaged get used for the creating of the Gravemind. That said, specific cells the Halo rings attack once activated probably have something to do with calcium.
*** The Forerunner Trilogy clarifies that the Halos use "bursts of cross-phased supermassive neutrinos" tuned to destroy nervous systems.
** Also note that this was very much a last-ditch plan; the Forerunners tried a conventional war first, and that didn't work.

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* The eponymous ''Franchise/{{Halo}}''s, which kill all sentient life in the galaxy. They do this in order to kill off possible hosts for [[TheVirus the Flood]] in order to stop them spreading any further than galaxy; specifically, ''Literature/TheForerunnerSaga'' says that they already ''have'' because there's no way to simply kill ''them'' off that presumably doesn't destroy every ounce of organic matter in the galaxy. Planets aren't destroyed though, so the method used is never quite explained. They do have a limited range though, which is why there's seven of them.
** According to the recently-released Encyclopedia, the Halos work by "sending out a harmonic frequency that targets certain neural cells in sentient organisms". Or something like that.
*** It that probably somehow overloads and fries the brain of anything with an advanced nervous system though this would requite some serious technobabble to pull off.
*** It is explained in the Halo universe that the main way the Flood replicate themselves is to infect any organism that has sufficient calcium biomass and a central nervous system, in which humans (and presumably Forerunner) and Elites are perfect specimen. This is possibly the reason you never see Grunts or Jackals infected, as they supposedly do not contain enough calcium in their bodies, and hunters have no central nervous system as they are a hive of worms. You never saw Brutes infected in Halo 2 due to the thickness of their skin but by Halo 3 the Flood got smarter and entered through their mouths. It is explained that other bodies not sufficient for infection or too damaged get used for the creating of the Gravemind. That said, specific cells the Halo rings attack once activated probably have something to do with calcium.
*** The Forerunner Trilogy clarifies that the Halos
use "bursts of cross-phased supermassive neutrinos" tuned to destroy nervous systems.
systems. They do this in order to starve out [[TheVirus the Flood]] by killing both their potential hosts and any Flood form more advanced than a basic Infection Form. Before they fired the Halos, the Forerunners made sure to evacuate as many species as they could to an extragalactic safe spot; afterwards, they were resettled on their homeworlds, with each species forced to start off as hunter-gatherers again. Each individual Halo does have a limited range though, which is why there's seven of them.
** Also One should note that this was very much a last-ditch plan; the Forerunners first tried both a conventional war first, and that didn't work.researching an actual cure, and neither of those worked.
27th Jul '16 1:41:48 PM Willbyr
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* According to some of ''{{Touhou}}''[='=]s [[AllThereInTheManual compendiums]], scientific advances was this trope to TheFairFolk, {{Youkai}}, [[GodsNeedPrayerBadly gods]] and [[ClapYourHandsIfYouBelieve beings that affirmed their existence]] by PaintingTheFrostOnWindows, hence causing the necessity for [[FantasticNatureReserve Genso]][[FantasyKitchenSink ukyou]] to be founded in the first place. The most notable example that is brough up is the yamabiko, benevolent echo sprits that dwell in valleys and mountains... or ''dwelled'' in valleys and mountains... Though it's uncertain how many there are left, aside from Kyouko Kasodani, it's canon that they nearly went extinct when a scientific explanation for what causes echoes was discovered.

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* According to some of ''{{Touhou}}''[='=]s ''VideoGame/{{Touhou}}''[='=]s [[AllThereInTheManual compendiums]], scientific advances was this trope to TheFairFolk, {{Youkai}}, [[GodsNeedPrayerBadly gods]] and [[ClapYourHandsIfYouBelieve beings that affirmed their existence]] by PaintingTheFrostOnWindows, hence causing the necessity for [[FantasticNatureReserve Genso]][[FantasyKitchenSink ukyou]] to be founded in the first place. The most notable example that is brough up is the yamabiko, benevolent echo sprits that dwell in valleys and mountains... or ''dwelled'' in valleys and mountains... Though it's uncertain how many there are left, aside from Kyouko Kasodani, it's canon that they nearly went extinct when a scientific explanation for what causes echoes was discovered.
17th Jul '16 10:19:40 PM Gamermaster
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* In ''LightNovel/HighSChoolDXD'', it's not the [[{{Muggles}} blissfully ignorant]] humans who are dealing with population problems, it's everyone else. Previously, Angels were created by God, and enough of them were led astray for the Fallen Angels to keep their numbers up; Devils reproduced sexually, their low fertility [[ImmortalProcreationClause offset by long lifespans]]. After the GreatOffscreenWar, GodIsDead, and with him any new Angels, and those that are left are far too devout to ever fall, leaving both those factions considering each individual more precious than ever. Meanwhile, Devils experienced such a severe depopulation that extinction was an inevitability, and created the Evil Piece system in response in order to stabilize their population with reincarnated humans. [[spoiler:Later in the series, Angels and Fallen Angels have both borrowed the reincarnation techniques in their own ways, just in time for the vital element of it to get stolen.]]

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* In ''LightNovel/HighSChoolDXD'', ''LightNovel/HighSchoolDXD'', it's not the [[{{Muggles}} blissfully ignorant]] humans who are dealing with population problems, it's everyone else. Previously, Angels were created by God, and enough of them were led astray for the Fallen Angels to keep their numbers up; Devils reproduced sexually, their low fertility [[ImmortalProcreationClause offset by long lifespans]]. After the GreatOffscreenWar, GodIsDead, and with him any new Angels, and those that are left are far too devout to ever fall, leaving both those factions considering each individual more precious than ever. Meanwhile, Devils experienced such a severe depopulation that extinction was an inevitability, and created the Evil Piece system in response in order to stabilize their population with reincarnated humans. [[spoiler:Later in the series, Angels and Fallen Angels have both borrowed the reincarnation techniques in their own ways, just in time for the vital element of it to get stolen.]]
10th Jul '16 9:27:27 PM Ferot_Dreadnaught
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It may be worth noting that while the NeutronBomb provides inspiration for many such weapons, a neutron bomb is ''not'' a straightforward "It only kills people" bomb. ''It is a thermonuclear weapon'', so this is mostly a simplistic comparison to other bombs with more straightforward KillEmAll purposes. That is, if you [[TheyJustDidntCare actually care about]] things like [[MohsScaleOfScienceFictionHardness scientific accuracy]].

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It may be worth noting that while the NeutronBomb provides inspiration for many such weapons, a neutron bomb is ''not'' a straightforward "It only kills people" bomb. ''It is a thermonuclear weapon'', so this is mostly a simplistic comparison to other bombs with more straightforward KillEmAll purposes. That is, if you [[TheyJustDidntCare actually care about]] about things like [[MohsScaleOfScienceFictionHardness scientific accuracy]].
9th Jun '16 12:53:06 PM kyeo
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[[folder:Fan Works]]
* In the ''Webcomic/{{Homestuck}}'' fan adventure ''Webcomic/ACompleteWasteOfTime'', the MMORPG META has a policy of determining the players meant to play the game by compiling a list of everyone the server player knows. If anyone on that list does not install the game within one day after the server starts, they inexplicably die. On the planet Seconia (pop. 12.5 million), the ithicans are all connected with each other through some natural network, and thus everyone would know each other on an unconscious level. Unfortunately, only eight copies of the game were made on that planet, and only the owners of those eight copies survived the ensuing near-extinction of the species.
[[/folder]]



* In the ''Webcomic/{{Homestuck}}'' fan adventure ''Webcomic/ACompleteWasteOfTime'', the MMORPG META has a policy of determining the players meant to play the game by compiling a list of everyone the server player knows. If anyone on that list does not install the game within one day after the server starts, they inexplicably die. On the planet Seconia (pop. 12.5 million), the ithicans are all connected with each other through some natural network, and thus everyone would know each other on an unconscious level. Unfortunately, only eight copies of the game were made on that planet, and only the owners of those eight copies survived the ensuing near-extinction of the species.
7th May '16 9:09:01 PM MsChibi
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* In ''Anime/DeathNote'', the Kira killings. More specifically, the ones after Light started having Mikami act as his proxy. Mikami went more than a little crazy with his newfound power (which included [[{{Namedar}} the Shinigami Eyes]])...and even criminalized such ''horrible'' things as being lazy. Between that and all the Kira-related incidents up to that point, there were likely several ''[[AMillionIsAStatistic millions]]'', or even ''billions'' of people killed off worldwide. When [[spoiler: Mikami killed himself and Light's name was written down by Ryuk]], and all the Kiras (and most of the Kira Cult devotees) were gone, and the world was going (more-or-less) back to normal save for a few small remnants of the Kira Cult, it's likely that many countries were facing this issue.
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http://tvtropes.org/pmwiki/article_history.php?article=Main.DePopulationBomb