All Questions

2
votes
6answers
145 views

Exploiting an ability to see into the past

A group of people from a particular family are born with an ability to see into the past. They would like to exploit this for money but there is no obvious way to do so. Details By closing their ...
3
votes
8answers
3k views

Is there enough fresh water in the world to eradicate the drinking water crisis?

Lets assume, by the means of some advanced scientific discovery, scientists find a way to teleport simple matter to any part of the world and use this process to teleport fresh water and/or small ...
1
vote
1answer
22 views

How to calculate the thickness of the ice-layer of a frozen ocean planet/moon?

How do I calculate the thickness of the upper ice layer on cold ocean worlds like Europa, Enceladus, Ganymede, ...? I'm asking this for a programm I'm currently writing. Given/Known is: mass, radius, ...
1
vote
1answer
26 views

The One-Electron Universe postulate is true - what simple change can I make to change the whole universe?

The one-electron universe postulate, proposed by John Wheeler in a telephone call to Richard Feynman in the spring of 1940, hypothesises that all electrons and positrons are actually ...
5
votes
1answer
89 views

Deities vs You /Liquid Anon/ What'd be the most optimal carrier fluid comopsition? [on hold]

Liquid Anon is my little OC, a total badass, with the ability to assume any form and color at a whim. Donut steel! A magnetorheological fluid (MR fluid, or MRF) a type of smart fluid in a carrier ...
0
votes
2answers
42 views

How can I successfully establish a nationwide combat training program for a large country?

I am the dictator of a nation with a population of 350 million people. In order to keep our nation strong and independent, I have decided to institute a nationwide combat preparation program in which ...
1
vote
1answer
46 views

Is a naturally all-male species possible?

The Orville has Mochlans, an (almost) all-male species. They reproduce in some unexplained method that produces a fertilized egg. The issue here is that if one of the mates lays an egg and the other ...
0
votes
1answer
98 views

What would a global highway look like?

I've been toying with the idea of a global highway that completely circles the globe. Ideally it would (on average) be as close to the equator as possible but also hit or at least come close to major ...
23
votes
10answers
5k views

Is it possible to have a strip of cold climate in the middle of a planet?

Would it be possible to have a region on a planet that is not near its poles that has below freezing temperatures most of the year, while having more temperate regions both above and below it? If so ...
0
votes
2answers
70 views

Victorian long-distance express transport?

In my world, law enforcement is dispatched from the capital to places around the island. The reason for them being dispatched in this fashion is due to there being few officers and the capital being ...
3
votes
3answers
1k views

How do long spaceship combat torsion and shear stress while moving in space?

Set in the late 22nd century AD, spaceship designs are becoming more streamline and have longer body measuring from the tip at the front of ship to the thruster located at the back of the ship, the ...
-7
votes
33answers
5k views

On a tidally locked planet, would time be quantized? [on hold]

Assume a planet that always presents one side to the sun. No moons. The orbit of the planet around the star is essentially spherical, very minor and undetectable aberrations. The orbital period of the ...
4
votes
9answers
165 views

How do I ensure compliance in criminals turned cannon fodder without completely eliminating their effectiveness?

I have been tasked by my immediate superiors to design a process that transforms convicted criminals into expendable assets without compromising their effectiveness. Their desire is to minimize cost ...
1
vote
3answers
64 views

How can a long lived species that reproduces slowly bounce back from an extinction level event?

We Eldar are a beautiful race that have a maximum life span of 500 years. We are stronger, faster, more intelligent, sexier, and frankly just superior to you humans in every way. However, we cannot ...
11
votes
5answers
969 views

A Permanent Norse Presence in America

Since the discovery of L’Anse aux Meadows in Newfoundland in 1960, the picture began to emerge that the Norse (I hesitate to say "viking" because that is a verb, not a noun) beat Christopher Columbus ...
5
votes
2answers
120 views

Electrical, Internet and phone connections on an isolated part of a world?

In the world I am creating, a chunk of the USA, specifically in Northern Oregon, is teleported to another world. The teleported section has all infrastructure intact, including power generation in the ...
5
votes
1answer
481 views

The (Alternative) Reason for the Seasons: Highly Eccentric Orbit

On Earth, we experience seasons because of our planet's axial tilt. It is a common misconception that the seasons are instead caused by our planet's distance from the sun changing as it orbits. The ...
3
votes
0answers
63 views

How much fat would need to be burned in order to shock-restart a human heart?

Imagine a device implanted inside the body which can detect when your heart has stopped and, in such a case, burns fat rapidly to generate enough energy to shock your heart into restarting, in a ...
1
vote
4answers
135 views

How can one manipulate elementary particles to make a person live forever?

Assuming that a person has the power to manipulate all elementary particles in any way (i.e. changing them from one elementary particle to another, nuclear transmutation, moving groups of them at a ...
23
votes
7answers
2k views

On a planet without seasons, how would people track years?

On a planet without axial tilt and with a roughly circular orbit, there would be no seasons. The climate on the planet would be, as far as I can tell, exactly the same at any time of year, and the ...
9
votes
4answers
3k views

Could solar power be utilized and substitute coal in the 19th century?

Would it be possible for a nation with 19th century to very early 20th century technology and history and hot desert climate to utilize solar power for electrical generation as a substitute for coal ...
29
votes
8answers
2k views

Plausibility of Floating Whales

Ignoring the plausibility of their evolution and sources of food, could a whale-like creature which internally consists largely of hydrogen bladders/gasbags realistically stay aloft? If these ...
27
votes
25answers
9k views

Elf-like race: What could prevent overpopulation?

For an elf-like race whose people do not age beyond physical maturity (the accumulated DNA damage associated with aging does not occur), what would prevent overpopulation? This elf-like race is ...
3
votes
2answers
61 views

Is it safe to have an earth-like temperature for a 48-hour day-night cycle on a big planet?

I want this planet to be very earth-like on all aspects except for its size and the day-night cycle. The circumference is three times greater than the earth's circumference. The day-night cycle lasts ...
1
vote
1answer
36 views

In a 1950s pre-war Fallout world-like , How would a Robot Nanny's capable of taking care of kids affect families? [on hold]

In a parallel world where super-capable nannies where mass-produced, capable of taking care of kids and even educating them, how would this affect how families work in this world?
8
votes
3answers
202 views

What kind of transports would be invented in a world with an enhancer-material?

You have a material that greatly enhances electric and magnetic sources or electro-magnetism in general. In this world, the material, is known to be a naturally occurring liquid found in geological ...
1
vote
2answers
89 views

What would happen if a modern model city was found in a fantasy world?

Now to clarify, when I say a modern model city, I don't mean simply getting New York and plonking it somewhere on fantasy land #27544. I mean a city specifically designed for the purpose of being ...
63
votes
24answers
8k views

The opposite to Worldbuilding: World Destruction

I am looking at different ways to destroy a planet. I am assuming the planet is of a similar size and composition to the Earth just to keep things simple. I am starting at boiling the atmosphere to ...
3
votes
1answer
95 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. ...
-1
votes
3answers
97 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 ...
5
votes
3answers
162 views

How to exploit a slight but definite precognitive ability?

In an interesting question here, @Masclins asks how two twins who can each experience and perceive everything the other is sensing or thinking might be able to exploit their ability. I want to ask a ...
3
votes
1answer
34 views

Could an isolated cutoff valley sustain a diversity of animals alongside humans?

My world has an isolated valley between high mountains like the Himalayas that is practically cut off from the world by high elevation mountains and steep cliffs. The valley is about five miles in ...
6
votes
2answers
90 views

Could a mass-proportional physical speed limit on projectiles “nerf” guns but not ruin archery?

Like many other writers, I'm hoping to create some sort of justification for destroying the monopoly firearms have on the modern combat scene so that I can justify mixing things up with melee weapons, ...
-2
votes
0answers
26 views

How would Magical Vigilantes be handled in an empire? [on hold]

I’m sorry, but I’ve been looking for a place to post this, so I’m just gonna put this here. It’s a map of my world, After Doomsday, set primarily in the Southwest. I would like it if you guys gave ...
0
votes
1answer
33 views

A cop's situational handling [on hold]

I have this scene I'm writing were 10 16 year olds (three girls and seven boys) are loitering in a casino parking lot around a van, Cops have been called cause the kids haven't left. I'm trying to ...
41
votes
12answers
7k views

How to trigger explosive arrows?

So, I have a small tribe of island people with stone-age technology who have discovered how to make gunpowder. However, they want to make war on the neighboring islands, and they need a delivery ...
6
votes
6answers
181 views
+50

self-charging pcp airgun

In my story idea the main character is given a pcp airgun with a sort of self-charging mechanism in order to commit certain covert operations by assasinating certain individuals. (don't ask he was ...
2
votes
1answer
81 views
+50

How can various kinds of animals develop a form of Inter-species coordination between each other?

Cats in New York City are an invasive species that are a plague to the animal kingdom. It is well documented that these bloodthirsty psychopaths are responsible for the murder of billions of innocent ...
7
votes
10answers
406 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 ...
7
votes
2answers
83 views

How to make plane without coal, steel and oil

My world is far away exoplanet with water and some oxygene, but without life or plants, which means without coal and organic materials inside. High tech people from Earth come there and made some ...
2
votes
1answer
97 views

Post-Apocalypse Technology? [on hold]

I’m currently writing a book where there is a large explosion in Mid-USA, in the year 2025. Following this, there is a world war that diminishes the US population to ~70 million people. There is a ...
9
votes
5answers
149 views

Are handheld electric weapons realistic?

I want to use Teslapunk weapons in my semi-realistic science fantasy RPG that behave somewhat like flamethrowers, in the aspect that they fire out a branching arc of raw electricity. It would ...
-1
votes
0answers
53 views

High-Technology Civilization and Flying Mounts (No Magic/Fantasy) [on hold]

TLDR: What does technological progress look like if there are flying Riding Animals available? Edit: I will provide some suggestions below. Edit: Its not about "creating" a lifeform, they already ...
1
vote
0answers
64 views

How would a world where electronics are organically based differ from ours? [on hold]

I'm building a Retrofuture space fantasy setting. Some relevant information on that can be found here... One of the core aspects to me of the retro sci-fi aesthetic is its hardware focused nature. I ...
2
votes
4answers
128 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 ...
7
votes
3answers
152 views

Hermit living down a well. How deep can he safely go?

A holy man lives down a cylindrical well that is 2 metres in diameter. There is no water in the bottom and all the walls are of solid impermeable rock. He is protected from rain by a roof on supports. ...
2
votes
7answers
118 views

Logical reason why motor vehicles wouldn't be allowed in post-war towns? [on hold]

So, I’m creating a post-apocalyptic world set 97 years after nuclear war, in the former state of California, AD 2059. The Californians, compared to the rests of the wastes, have done good for ...
8
votes
3answers
270 views

I want to build a flat Earth, for real

A planet recently discovered was explored and proved unworthy of terraforming: It is mostly made of carbonaceous minerals, classifying it as a carbon planet. However, one of the explorers does not see ...
21
votes
11answers
2k views

Biological Blimps: Propulsion

A while back, I asked this question about the plausibility of giant floating whales and received an excellent and high-scoring answer from Dubukay demonstrating the unfeasibility of the idea. However,...
0
votes
1answer
43 views

Dimensional Bending [on hold]

Imagine someone has a supernatural(will be explained in setting) ability were they can manipulate dimension at will. What would that mean? Does that mean that they could punch you from 10 meters and ...

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