Questions tagged [weapon-mass-destruction]

For questions that deal with weapons of mass destruction (WMD).

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1answer
90 views

How could a Kraken create a realistic superweapon? [closed]

Context: I'm currently writing a Dungeons and Dragons campaign in which the adventurers will have to defeat a Kraken that is bent on destroying civilization as we know it. However, simply destroying ...
6
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1answer
116 views

Is it possible to build a black hole (kugelblitz) gun?

Assume that space warfare is dominated by gamma and x-ray lasers (Wakefield-Plasma and Free Electron Lasers) capable of killing targets several light-seconds away. Stealth in space is possible due to ...
0
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1answer
149 views

Biggest LEGO weapon [closed]

What would be the most powerful real weapon if we could have an infinite quantity of LEGO pieces. Assume current types/models/etc version of LEGO's. I was thinking about some as simple as a ...
7
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9answers
501 views

How to make nukes useless?

I am currently trying to write a story about a World War 3, but the major issue I am having is the presence of nuclear weapons. I want the war to constantly escalate to a point where it becomes a ...
3
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1answer
113 views

Is there a way the earth could be permanently without electronics? [duplicate]

I want a post apocalyptic earth setting, many thousands of years in the future where civilization has no ability to create electronics. I looked into emps, gamma rays, and solar bursts but nothing ...
4
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1answer
148 views

We need help with our xenoforming weapon of mass destruction

Our empire has been at the mercy of violent marauders who are not working with the Will of Dozin and instead trying to break away from our cosmic union. In our archives, we have found a xenoforming ...
6
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1answer
181 views

Kinetic weapons - establishing an upper limit when dealing with grey goo

This answer to my last question suggested, rightly, that there are targets dangerous, and large scale, enough that there is neither overkill nor spillover damage when it comes to attacking a planetary ...
7
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4answers
857 views

Why would non-kinetic weapons be used for orbital bombardment?

The space borne planetary invasion force is a staple of many Sci-fi genres and most space invasions face the need to destroy some, or all, ground based infrastructure from orbit in order to take over ...
15
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9answers
6k views

Could a Weapon of Mass Destruction, targeting only humans, be developed?

Specifically, if deployed on a town. The buildings, animals (flora and fauna) would be completely untouched, but not a single human would survive the blow. Secondly, if this is possible, what gene, ...
4
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4answers
324 views

A weapon to rapidly change the Earth's atmosphere

I am seeking information and ideas from all you clever people. What I am trying to imagine is a chemical reaction that would change Earths atmosphere rapidly into something else which would be more ...
2
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2answers
168 views

How to shrink the human population? [closed]

So I'm writing a post apocalyptic story. Basically, a war happens and after a solar storm there's very few human survivors on Earth. This world has "magic" crystals, rocks that emanate energy. The ...
63
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21answers
18k views

Is it possible to kill all life on Earth?

Edit: It has been suggested that my question is a duplicate of What could humans do to render the earth uninhabitable?. That question only asks what would be necessary to make human life ...
3
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4answers
259 views

A WMD whose destructive potential stops at the border of a country

In the Belgian comic book "De laatste Hollander" (en.: "The last of the Dutchmen"), an alien accidentally uses a WMD (a beam that lights up the entire country) to completely engulf the entire country ...
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5answers
199 views

A fast apocalypse with survivors, but very low chance of rebuilding [closed]

I need an event which could make the world go from "similar to today" to post-apocalyptic in one lifetime, preferably in 20-40 years. It needs to happen fast, because I want to focus the story on ...
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6answers
4k views

What would happen to a modern skyscraper if it rains micro blackholes?

Set in present day New York City, an unknown spacecraft of alien origin expelled millions of micro blackholes each with the mass of a grape in the earth atmosphere. I like to know what happens if ...
1
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0answers
234 views

Tsar Bomba Red Forest [closed]

Since 1986, a thousand square miles of eastern Europe is off-limits to average people. That is because of the nuclear accident at Chernobyl. Ironically, the fact that people aren't allowed in the ...
1
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1answer
108 views

Can a missile be disarmed mid-flight?

I have a humanoid creature in my world that can emit and sense waves similar to radar (sort of like a bat with echolocation) and it can also fly at supersonic speeds due to jet propulsion. Does ...
3
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4answers
192 views

Wormholes as Weapons of Mass Destruction

A wormhole (or Einstein–Rosen bridge) is a speculative structure linking disparate points in spacetime, and is based on a special solution of the Einstein field equations solved using a Jacobian ...
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2answers
159 views

Destroying earth from light years(?) away [closed]

Consider a highly advanced civilization that is almost ON THE VERGE of developing futuristic (for us) technology like FTL travel. (I insist on the "on the verge" aspect, because I envision this ...
10
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2answers
183 views

Fortifications capable of withstanding atmosphere-clearing blast

On the Atomic Rockets site, there is a series of handy tables, the first of which is aptly named "The Boom Table", providing examples for a wide range of energy releases (in both Joules and TNT ...
7
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1answer
268 views

The Worldkillers - Method I: Oceans

This series will focus on a Worldkillers: a group of interstellar outlaws who specialize in destroying worlds. Each question has the objective to explore a different way to kill a planet - a word ...
59
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23answers
13k views

How to prevent superluminal traveling idiots from wrecking half of the universe?

Linked but not a duplicate of this question. An example of the problem During the last Star-Wars movie, I was dumbfounded by the sheer stupidity of admiral Holdo's move, during this particularly ...
2
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2answers
209 views

What would annihilate life on a planet but allow it to be habitable 1-10 years later? [duplicate]

I'm writing a fantasy/sci-fi story. Imagine an alien race, about as advanced as any sci-fi alien race has ever been depicted in any REALISTIC medium. They're gonna target an earth-like planet. I need ...
6
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2answers
908 views

Weaponising the Tesla earthquake machine or modern equivalent

In 1935 at his annual birthday party/press meeting a 79-year-old Tesla related a story where he claimed a version of his mechanical oscillator caused extreme vibrations in structures and even an ...
3
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2answers
138 views

Human caused disasters creating a whole new continent

So my world needs to be destroyed because of a variety of things. New land masses would be created and destroyed and joined till we had a single continent. In the future, people saw the possibility ...
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2answers
125 views

Apocalypse by Atomic Catalyst

This question is a continuation of Unprepared and Without a Homeworld. The premise of this idea is that a substance called an Atomic Catalyst exists that can lower the temperature at which particles ...
2
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0answers
144 views

Suppose I have an Earth sized planet whose oceans are made of pure glass - what would be the effect of striking said oceans with nuclear bombs? [closed]

This question was prompted to me by my answer I gave to this question. In it I stated that an Earth sized planet would satisfy the criteria if it's oceans were made of glass or at least regions of ...
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3answers
278 views

How would a nuclear blast affect me? [closed]

We all know what's a nuclear bomb, but how would a nuclear bomb affect the human body, for example, let's say a nuclear bomb as powerful as The Fatman 1000m away from me, would I survive the blast? ...
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2answers
162 views

How to eliminate mankind: concentrated nukes or scattered ones?

Assume the entire governments of US and Russia are possessed by aliens from beyond to use nuclear weapons to exterminate the human race. For now ignore the fact that there are may be more effective ...
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17answers
1k views

What is the Maximum Possible Destruction from One Keystroke? [closed]

You have unlimited access to all of the world's information. Source code, books, electronic information, monuments with text on them, tattoos with text, you name it. If it has information encoded has ...
7
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4answers
476 views

How many years should survivors wait before exiting a nuclear bomb shelter?

I'm writing a tale about a post apocalyptic world. I'm studying the timeline about the world history, I've planned that, using "clean" thermonuclear bombs, radioactivity should be quite lower after ...
15
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11answers
4k views

Restricting antimatter - practical rather than legal measures

Antimatter is relatively easy, but heinously expensive, to make using modern technology. I have two universes with the same problem; energy is free and for all practical purposes infinite, this should ...
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3answers
128 views

Could a thermonuclear detonation be ignited in a star by addition of sufficient energy instantaneously in a small region?

While it does not occur in nature, I have wondered if a sufficient amount of energy deposited in a sufficiently small space in a sufficiently small amount of time could ignite a thermonuclear ...
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3answers
249 views

How could a real world doomsday cult go about causing the apocalypse? [closed]

This is not a fantasy or sci-fi scenario. This is about a doomsday cult terrorist organisation, akin to Aum Shinrikyo, in the present-day real world. Is there any way that such an organisation with ...
25
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10answers
6k views

How much time does Earth need to repel interstellar attack?

Highly inspired by How would we fare against an interstellar RKKV Attack? Lets repeat the setup of the original question: In this hypothetical scenario, in the present day, astronomers detect an ...
16
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5answers
2k views

How would we fare against an interstellar RKKV Attack? [closed]

In this hypothetical scenario, in the present day, astronomers detect an object entering the heliosphere, at a distance of roughly 90AU, from the direction of the Proxima Centauri system. Observations ...
3
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2answers
219 views

What would happen to a planet after a quarter of it had been blown up?

An alien species has created a weapon. The alien stands on a planet, points the weapon at the ground, and pushes a button. A large amount of matter condenses itself into a mass, creating a huge hole ...
1
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1answer
66 views

Reducing power of magical substance [closed]

What would make a substance that powers magic less powerful when it is moved to a dimension where magic goes unacknowledged? I want the source - a mineral or chemical - to become something that is ...
44
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5answers
7k views

What are the safety margins for destroying a planet from space?

My empire's flagship, the Persecutor class UJBHE1 Abhorrent, rides into the home system of my greatest enemy, Baron Obsequious, levels its Death Ray2 at his beloved home, and pulls the trigger.3 ...
33
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10answers
7k views

What are the most salient aspects of a decaying world caused by the disappearance of everyone? [closed]

You are a normie on 2019 Earth and suddenly you can't find anybody. You've searched for a few hours, tried spamming out emails, random phone calls - no response. What would be the most jarring ...
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32answers
19k views

How to completely destroy a city, without leaving clues for humanity 4,000 years later?

Background I want to burn down a city completely. Nothing must remain, ashes to ashes, dust to dust. Even though I'm a supernatural being, I want this to happen in a natural way. I also want the ...
5
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3answers
302 views

Anti Personel Radiation Incendary Long Fallout Orbital Onset Laser Sattelite

For a story I'm working on I'm designing a sattelite to take down infantry from orbit, but without the power to take down tanks or infrastructure. The goal would be to kill off a military base, or ...
37
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25answers
14k views

What weapon of mass destruction could theoretically vaporize a whole solar system?

I'm trying to engineer a scenario where a nation wipes out another's home solar system by vaporizing it into a cloud of gas nearly instantly and it engineers a huge controversy over how it happened ...
0
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1answer
687 views

Azidoazide Azide Storage and Weaponization

AA (azidoazide azide) is a hyper-explosive 14 nitrogen molecule. My questions are: what are some theoretical ways to store it so it doesn't explode on you but on the enemy you throw it at, and what ...
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4answers
148 views

Effective orbital death platforms? [closed]

So I have this secret organization that needs to eliminate most of the humans on Earth. They have designed bunkers to save the right amount of people, but in order to start over they need to remove ...
11
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11answers
679 views

Speculative weapon of mass destruction

In near future a global war wipes out most of humanity, leaving only a handful of survivors. Thousands of years later these survivors have adapted to lives in small pockets of the world still left ...
3
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5answers
583 views

Is it possible to create a bomb powerful enough to wipe out all life on the planet?

Would it be possible to create a bomb powerful enough to turn the entire planet into an inhospitable wasteland devoid of life, with technology available to us right now? Would this bomb be able to ...
6
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9answers
943 views

How to destroy a star system?

The admiral of a space fleet that belongs to a Type 3 civilization has been given orders to obliterate all planets within the habitable zone of a Sun like star. Some of the planets have been ...
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2answers
117 views

The balance problems and possible workarounds for two legged war machines [closed]

I'm becoming a experimental weapons designer and mechanical engineer. I already have two designs for weapons I will build, one being a very heavy set of mechanical armor, and another being a four ...
3
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3answers
475 views

Planet loses its Core

What would happen to a planet if its core suddenly disappeared? I'm talking instantly and without warning, gone. I'm not concerned with how scientifically accurate this would be, because I'm ...