All Questions

0
votes
3answers
87 views

Most useful material properties for building tsunami-resistant submersible buildings? (Magical material engineering)

My magic system transfers quantities of certain properties from one object to another. For instance, electrical conductivity from metal to rubber -- the metal becomes less conductive, and the rubber ...
3
votes
2answers
134 views

There is some material able to stand a plasma arc welding without damage?

There is something that can stand that much temperatures ? or that kind of Welding can evaporate or melt everything ? I read that nothing could stand more than 7000 ° C, but i want to be sure, also, ...
3
votes
4answers
699 views

Can a one-dimensional blade cut everything ? (chainsaw) (Sword)

I was thinking in a character who has a...kind of Steam powered Chainsaw, and a sword, what make them special is because the blades of the chainsaw are one-dimensional, same with the sword, they are ...
0
votes
2answers
84 views

Humans under different suns

What would humans look like if they were genetically suited for life under a giant orange star like Iota Draconis ? These would be people who were genetically indistinguishable from humans from earth, ...
3
votes
3answers
92 views

How can the interior of temple lit automatically during medieval time?

In the 1400AD, there was a temple built to honor a late king somewhere in the middle east. The temple can house a thousand people and have many facilities from amenities to entertainment plus an ...
-4
votes
1answer
60 views

Most effective way to recolonize a post-apocalyptic wasteland? [closed]

So, in my world, let’s say about 5,000 people living in an underground Bunker have just ridden out the apocalypse, and stayed underground for 90 years. With their formidable technology, the re-emerge, ...
8
votes
4answers
151 views

Retractable Tusks?

Is there a way to make retractable tusks anatomically plausible in a creature design without relying on an articulated bone structure? Basically, relying fully on musculature instead of articulation ...
0
votes
0answers
68 views

If everyone has telekinesis, how would people fight? (1v1, wars, etc)

Main Goal: A general idea of fighting, or a specific example of a fight that fits (like general strategies all use, or a single fight where "fast users" beat "strong users". Traps laid in advance, or ...
7
votes
2answers
210 views

Ancient Egypt - Primitive Blockchain Technology

Premise The goal is to implement a bronze age version of blockchain in ancient Egypt to introduce a layer of security for the royal tombs. Tomb raiding was rampant, and at times even the legitimate ...
13
votes
11answers
2k views

Why Choose Less Effective Armour Types?

Full steel plate armour is seen as the most effective type of armour from the Medieval period, viewed by some as the pinnacle of medieval/early-renaissance armour. It’s rounded surfaces and layers of ...
3
votes
0answers
64 views

Would a More Extreme Icing of Antarctica Create an Extinction Event?

55 million years ago, the world was literally a jungle. It was so warm that plants like the bald cypress and the dawn redwood have been found at Ellesmere Island, right inside the Arctic Circle. ...
7
votes
0answers
95 views

Low-efficiency fusion propulsion?

I'm working on a fusion rocket concept for a hard science fiction setting. I'm envisioning laser catalyzed Proton-Boron reactors (low waste heat, aneutronic, 100% of their output being He4 Alpha ...
0
votes
1answer
63 views

How fast do you get blasted out of an airlock? [closed]

Let's say a sudden breach in the hull has opened up, or you just got 'spaced'. Assuming normal Earth pressure; how fast would your average human go flying out of a hull breach? For argument's sake, ...
-2
votes
1answer
71 views

Silently killing someone [closed]

How does one kill a person in the most silent possible way without using poisons and guns? The victim is a friendly approached by the main character and killed in a pubblic but hidden place, how ...
3
votes
1answer
31 views

light spectrum from a red dwarf star on a planet with an ozone and cloudy atmosphere

What light spectrum would hit the surface of a planet orbiting a red dwarf star? the planet has a humid, greenhouse & cloudy atmosphere, and a strong ozone, 80%+ surface water. Planet is tidally ...
5
votes
3answers
88 views

Antimatter internal combustion engine

I have an idea for an extremely crackpot engine design for a future society I may incorporate into my story. What would happen is individual antihydrogen molecules injected into the center of carbon ...
2
votes
1answer
56 views

Monsters vs You /Dragons/ The reason for a truce? [closed]

Worldbuilding for discovery writing and D&D is pretty much interchangeable. One of the tricks I employ when wanting something to happen roughly as I plan is to root it in gameplay mechanics. One ...
4
votes
4answers
82 views

Anti-decomposition mechanisms?

Suppose that due to some kind of magical force I'll leave handwaved, (non-sapient) organisms are able to practice necromancy, reanimating their fallen peers as undead bodyguards. However, the magic ...
0
votes
1answer
135 views

How can I modify the prostate to produce alternative fluids? [on hold]

Semen is liquid that spurts out of the penis during orgasm. It is produced by the walnut-sized prostate gland that sits just below the bladder, and by the seminal vesicles, two pinky-sized glands that ...
-6
votes
1answer
63 views

Metal cannon wall thickness [closed]

I'm planning on making a cannon with a bore of anywhere from 2 inches to 3/4 inches. How thick should the wall be?
13
votes
6answers
1k views

Time travel from stationary position?

This is my first question on this site, which I recently found and can’t get enough of. In many time travel scenarios, the machine is static in space. My question is how to explain this. For ...
20
votes
10answers
3k views

What types of things could go wrong in an airship during a storm?

In the scene of one of my stories, an airship gets hit by a violent storm. Apart from exploding (which isn't helpful to the main character), what other things could go wrong that would be fixable? ...
7
votes
6answers
1k views

If curse and magic is two sides of the same coin, why the former is forbidden? [closed]

A gun can bring destruction but at the same time save lives, both curse and magic belongs to different system and operates independently. Curse requires strong feeling such as suffering pain while ...
20
votes
9answers
3k views

Gravity magic - How does it work?

This question graduated from the Sandbox for Proposed Questions Gravity magic - How does it work? (What physical law can magic manipulate in order to affect gravity?) In my world everyone is ...
2
votes
4answers
291 views

Solar Flare disabling Nuclear Weapon defenses?

I have a nuclear post-apocalypse that isn't 100% depressing. It's only 95% so. /s I was contemplating an origin story of a solar flare doing some rather nasty things to circuitry related to nuclear ...
4
votes
6answers
507 views

What benefits would translucent full body armour do for immortal beings? [closed]

Set in present day Egypt, a race of immortal humanoid beings were seen with a translucent body armour covering from head to toe. They come in peace and harbour no ill intents, that said their kind of ...
1
vote
1answer
82 views

What society/government would be stable if people get superpowers randomly? [closed]

To refine the question: Goal: a society/government capable of lasting centuries. This takes place somewhere within a technological time period (1000BCE to 1000CE). No gunpowder or explosives. I'm ...
-1
votes
2answers
85 views

What defines a civilization as being advanced? [closed]

Are there any hard rules or requirements that constitute a civilization as being considered advanced? Or is it merely by comparison to other (neighboring?) civilizations? Is a civilization considered ...
7
votes
9answers
356 views

Military Implications of Instantaneous FTL?

In an example future world, one can use some form of FTL to instantaneously transport any ship from one point to another point (within the same galaxy, to keep things simple). The device required to ...
2
votes
3answers
141 views

Men only world downsides [closed]

It's year 2156 and humanity as we know it is drastically changed by alien radiation. Six years ago an alien ship teleported above Earth and emitted what we later found out to be radiation that causes ...
5
votes
4answers
101 views

The Elementary Evil vs You /Animatronics 2: Judgement Day/ We need a weakness!

So, Anon has had enough of the DM abusing his poor creations (the chromatic dragons). Wanting a better fate for them, he wraps the DM in unbreakable chains, forged in the heart of a neutron star, and ...
6
votes
6answers
1k views

Humanity loses the vast majority of its technology, information, and population in the year 2122. How long does it take to rebuild itself? [closed]

The year is 2122. An AI created in the year 2115 with complete, unfettered access to control of the entirety of Earth's electronic equipment has caused a mass extinction event of humanity after ...
5
votes
1answer
95 views

How can I ensure that Roman state religion dominates christianity? [duplicate]

I am Nero Claudius Caesar Augustus Germanicus, emperor of Rome and the last of my line in the Julio-Claudian dynasty. History remembers me as one of the greatest leaders of the ancient world, far ...
4
votes
3answers
239 views

Use bomb to detonate a white dwarf?

Suppose there is a Sirius A based alien civilization, but their planet is heavily defended, so direct attack is useless. Could we use some kind of weapon to detonate the Sirius B and cause a disaster ...
5
votes
1answer
135 views

Would it be worthwhile to locate capital in high mountains on an exoplanet with higher atmospheric pressure?

Tech level: modern - like Atmospheric pressure at local sea level: Oxygen ~30 kPa Nitrogen ~180 kPa (So roughly counting 1.5 times more oxygen, 2.25 times more nitrogen) Technically speaking such ...
2
votes
3answers
285 views

Is there any advantage to have A.I. being able to experience loneliness?

Let get this straight being lonely is different from solitude, human is arguably one of the most successful animals ever to walk on two. The secret lies in social interaction, the early humans hunt in ...
4
votes
2answers
130 views

What technology could cause a global black out?

In 2051 a Neo-Luddite movement known as "Amos"/"The Adherents of Amos" detonated some sort of weapon in LEO (low earth orbit) causing a global black out shutting down technology and to a extent modern ...
2
votes
3answers
184 views

Could someone sneak out of a medieval castle without being interrogated? [closed]

The setting takes place in medieval times (around the 10th-13th century) Say an important person of court is visiting a king of another nation. He is there as an ally, but needs to sneak out of the ...
8
votes
1answer
117 views

Can you critique my sea temp map and answer a couple of specific questions?

I'm working on yet another iteration of a world map project. I'd like to ask for some opinions on the sea temperature map I've done: I also have a few specific questions about some areas on the map. ...
10
votes
9answers
719 views

Best mythical creature to use as livestock? [closed]

Imagine a world where all the magical and fantastical creatures that exist in mythology or folklore actually exist. Everything from dragons, griffins, goblins, harpies, trolls, etc. - they can taken ...
6
votes
3answers
571 views

Humans have energy, but not water. What happens? [closed]

Suppose that through a "hand-wavium" genetic engineering coupled with nanotechnology the humanity was able to develop a body battery. How does this work? It provides enough energy for the human body....
0
votes
0answers
99 views

An immanent, Omnipresent, all-seeing eye [closed]

By the title, I don't really mean the type of all-seeing eye that Sauron in the LOTR is, where it's perched on a tower watching all over middle earth, looking for his ring etc. I mean an all seeing ...
17
votes
5answers
331 views

Could a living creature produce graphene?

The thing about organics is that they can very precisely build themselves up, from a molecular level. They can take various, otherwise useless stuff like goethite and chitin and, through the power of ...
-2
votes
2answers
135 views

How big would a dragon's wings need to be? [closed]

I need to know how big the wings would be for a dragon of a particular size. The dragon is 20 foot long and weighs 6 tonnes. How wide and long would the wings need to be for it to fly?
-1
votes
2answers
143 views

Year with 13 months [closed]

Would it be possible to convince the world to have 13 months with 28 days rather than having 12 months with different numbers of days every month? Disregarding historical reasons for our current ...
10
votes
2answers
142 views

Will winds always be the same?

Around Earth's equator, there's a band of low pressure called the Doldrums. 30 degrees north and south are bands of high pressure called the horse latitudes. Finally, there are more low-pressure bands ...
-4
votes
1answer
83 views

World Types, There many types of worlds, Can someone please name some types of worlds there are? Via movie or book [closed]

I am looking for world type ideas here. What type of world is Blade Runner for example? Worlds names like dystopian world or cyber punk world.
0
votes
2answers
104 views

What would one wish to make magic real? [closed]

One day, as I walked in some random countryside, I found myself in the presence of some higher being. It's kinda blur in appearance, and I can't quite say if it's a genie in a lamp, a technologically ...
15
votes
6answers
5k views

How could a female member of a species produce eggs unto death?

As far as I am aware, female mammals cannot produce eggs (as in ova) after a certain age/maturation. How could the female produce eggs for an unlimited amount of time, resulting in a 'queen' mammal ...
17
votes
5answers
3k views

Gravity alteration as extermination tool viable?

An alien race was rubbed the wrong way by humans being humans and decided that humankind has to go. However, unlike many other science fiction stories, they do not intend to give the humans even a ...

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