All Questions

0
votes
0answers
6 views

How can one manipulate elementary particles to 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 ...
3
votes
0answers
17 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 ...
0
votes
0answers
10 views

Hello building a underworld with a royal court that rules over it [on hold]

My story is about a royal court that rules the underworld, the place between our world and heaven or hell. My question is, if it is a underworld where everyone is supposed to be dead, would there be ...
5
votes
4answers
85 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 ...
2
votes
1answer
24 views

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

Liquid Anon is my little OC, a total badass, with a tragic backstory, and the ability to assume any form and color at a whim. Donut steel! So, more about that The basic idea is that Anon's body is a ...
0
votes
0answers
17 views

By any scientific/pseudo scientific means could plasma be used to increase the lifespans of living creatures?

In my semi-realistic science fantasy RPG, I want there to be a newly discovered chemical element that is perfect at generating plasma for use in various futuristic weapons and to increase the ...
-5
votes
0answers
26 views

Is it possible to fight like Sanji (from One Piece) [on hold]

In the anime "One Piece" there is this character called Sanji. He is a cook, but the most unique about him is his fighting style, he only uses his legs and feet to attack and block. So now my ...
2
votes
2answers
81 views

Weaponising Implosion instead of Explosion

Explosions are really messy - they cause debris to be spread over a wide area. They may also cause collateral damage. I want to use implosion instead. I wish to use a force-field sphere that contains ...
-2
votes
3answers
62 views

Preventing the Big Bang

I travel back in time to the Big Bang in my time machine. I am equipped with all the present day equipment I need. I locate the infinitesimal 'point' where the Universe would come into existence and ...
2
votes
1answer
20 views

What would be the ideal way to weaponize plasma?

Plasma is a relatively common weapon in science fiction, with weapons that fire magnetically-bound superheated plasma or melee weapons that hold plasma in a containment field to burn through just ...
2
votes
3answers
51 views

Why would an omniscient immortal needs to record history?

There is a powerful entity, omniscient, omnipotent and omnipresent that came into existence since Big Bang. The entity do not interfere with the order of the nature but to observe it unwinds in the ...
6
votes
1answer
68 views

How would ocean currents work with a gulf that's closed to the equator on both sides?

I'm running a D&D campaign and am using a modified map of Venus for it that shows what Venus would look like with similar amounts of water to Earth. The problem I'm running into is mapping the ...
0
votes
1answer
36 views

Tides on a Super Close In Moon

I have a moon covered in liquid water that orbits a super-Earth very closely. As you might imagine, the tides are incredibly strong on this moon. However, it is tidally locked and so does not ...
0
votes
1answer
45 views

Life on other planets via nuclear signal

A nuclear explosion in space? Directing a nuclear explosion is difficult even in theory, but is it possible to direct one in space, with a trajectory and width of a significant diameter and wavelength ...
2
votes
1answer
40 views

Modern Conveniences in a dystopian anarchy [on hold]

So for a story which I am writing, I want to have modern conveniences and utilities in place (e.g. Youtube, Amazon, stores, things of that nature). However, it is a post apocalyptic world with no ...
1
vote
2answers
29 views

How to protect astronauts and spacecraft from solar flares on long space journey?

Background I have a spacecraft traveling from one planet to another, say from Earth to Venus. The journey will take at the least several weeks. During this time, the sun will emit a number of solar ...
3
votes
13answers
1k views

On a tidally locked planet, would time be quantized?

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 ...
2
votes
4answers
159 views

How would a Type I civilization not cook itself?

A type 1 civilization is defined as a civilization that can utilize the maximum amount of energy equal available to its entire planet, roughly 1017 watts for Earth. This is equal to the amount of ...
5
votes
4answers
89 views

How far away from a Sol-class sun could a planet be and still be habitable?

In my galaxy, I need a planet that is far enough away from its star to be relatively cold compared to Earth, but not so cold that liquid water cold not exist. The planet has 2 continents, 1 northern ...
2
votes
2answers
33 views

Biological touch based high bandwidth communication

My alien race is supposed to have the ability to communicate a lot of information extremely fast, more akin to uploading something to your partner's mind than telling him. This should happen via ...
2
votes
3answers
77 views

Other Mouthparts For Aliens?

What other kind of mouthparts might an alien (intelligent or non-intelligent) have besides the typical jaw with teeth or mandibles? To avoid being too broad a subject, let's assume the aliens need to ...
2
votes
1answer
59 views

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 ...
0
votes
0answers
39 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 ...
0
votes
0answers
62 views

What are some substances that could be considered food but are never eaten? [on hold]

Im looking for some examples of substances which in a radically different cultures could be considered as food, but which are not (usually) eaten. Sure, we eat shrimp but not cockroaches. That’s an ...
2
votes
3answers
65 views

How do I create costs of living for people of different incomes in a society? [on hold]

Something tells me costs are a bit relative based on location, at least for things like houses. So if my society or nation state is not based off of America it may have different homes and different ...
6
votes
3answers
180 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 ...
1
vote
1answer
49 views

How would humans survive being on a rock formation in the middle of the ocean? [on hold]

You're just walking down the street not expecting anything when you suddenly black out and wake up on a small rock formation seemingly in the middle of the ocean. Looking around you see four other ...
2
votes
2answers
94 views

How would an Earth-like world that is packed solid work?

By packed solid, I mean it has very fast growing vines and bushes everywhere like on non-desert living land plus lead crud and hidden small holes so movement is severely restricted. Similar on ...
0
votes
1answer
80 views

Gunpowder in the 15th-16th century [duplicate]

If smokeless powder was already invented then and machines to help make rimfire cartridges, could a sub/light machine gun be invented?
4
votes
7answers
196 views

What kind of sports would be possible in zero to low gravity?

The Hegemony wishes to organise not only terrestrial games within the inner colonies, but has also wished to establish major sporting events for the other colonies in low gravity environments on top ...
-1
votes
1answer
114 views

Keeping GHz wireless RF out of our heads without stopping the internet?

Premise: Neurologists found that GHz wireless RF had modest but quite negative effects on people's brains. Subtle collective effects in neuronal firing patterns across the brain due to interactions ...
2
votes
3answers
136 views

What would sports be like in a dystopia? [on hold]

I remembered Ready Player One's dystopian setting, and then wondered what would sports be like in a dystopia? This theoretical dystopia is a world that has been drained of most of its resources, like ...
2
votes
0answers
55 views

how would the osmoregulatory and excretory systems would be for a flying human [on hold]

How would the excretory and osmoregulatory systems be for a flying human?
19
votes
10answers
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,...
2
votes
6answers
180 views

Stealthy and hard to sink marine drone made out of… fiberglass and styrofoam

OK, the weapon idea is the following: general shape similar to the drone on this picture modular armament, in default configuration with anti-ship missiles (but goes with torpedos, gun, mines, etc.) ...
4
votes
6answers
239 views

Can you survive by growing and eating your clothes?

On Blue Planet 2: The Deep (at least, that is the title in the US version), there is discussion of crabs that grow bacteria on themselves as a food source. In the show, they kind of looked like they ...
24
votes
16answers
5k views

How could a planet have erratic days?

I want to describe a world where one doesn't know how long the day will be. It can be anywhere between 18 and 30 Earth-hours. Would such days be possible in our reality?
2
votes
2answers
92 views

Calculating the weight of different sized humanoids

In my world, I have relatively robust humanoids as the focal human sub-species, and a number of other human subspecies that are more gracile in build. I wanted to work out roughly how much they would ...
0
votes
0answers
58 views

A four about time [on hold]

If time is don't exist in starting before the universe begain.the time is that the reaction of heat on an object the thing start changing itself this change we represent it as time.the famous theory ...
-2
votes
1answer
107 views

I am designing a quantum levitation gauss rifle for a novel that is powered by its own neutronium slugs. I need help with specifics [on hold]

My idea us that through what can be defined as reverse tron lasers we have infinite neutronium and through an equilibrium of quantum levitation, a single massively dense object can offset its ...
21
votes
5answers
3k views

How many people need to be born every 8 years to sustain population?

So I'm doing some worldbuilding for a small, isolated village on the coast. The winters are harsh, but making sure everybody has enough food generally isn't an issue because they have good trade with ...
5
votes
4answers
182 views

What would happen if the boiling point of a section of ocean was lowered to 5C?

Suppose, that in a particular area of the ocean on an earth-like planet, all water molecules are transmuted into an exotic variety of $H_2O$ that is identical to normal water in every way except with ...
2
votes
1answer
67 views

Could the shape or geography of the continents be dramatically changed in a roughly short span of time? [duplicate]

I’m aware that the continents and the tectonic plates they reside on drift, but for there to be any noticeable change in their shape or geography takes millions of years to occur. Is there a known way ...
6
votes
5answers
206 views

How can ruler support the invention of useful things?

Good rulers support invention of useful things. But this question has two sides. Support of invention Prevention of fake inventing Basis: Many inventions arise as side-effects of searching for ...
1
vote
1answer
54 views

on sentient reptiles/ectotherm behaviors [on hold]

so, I was searching and reading things about reptiles trying to build a guideline for any kind of cold blooded peoples/aliens I still have a hard time finding precises idea on how temperature ...
4
votes
6answers
263 views

How could a silver sword give off a golden glow in the light?

Now, I am not talking about a golden glow that overtakes the sword itself. I'm not looking for a Lightsaber. I'm talking about a sword that is silver in color giving off a golden reflection (or ...
-2
votes
1answer
116 views

Steam-Assisted Victorian Engineers - Why the secrecy? [on hold]

Background Isambard Kingdom Brunel FRS 9 April 1806 – 15 September 1859, was an English mechanical and civil engineer who is considered "one of the most ingenious and prolific figures in ...
-2
votes
5answers
231 views

Is it possible to demonstrate being God without using any power? [on hold]

God is on Earth and is trying to convince someone without using any power. How? A power is anything that no human can do.
4
votes
3answers
882 views

A society in which the “family system” is similar to those of lions or monkeys

I envisioned a world where people are not bounded by marriage and females are free to choose those who they deem "accomplished" and have offspring with him. The males "occasionally" interact with the ...
0
votes
1answer
227 views

There are diamonds 10 times tougher than ceramics, approaching some aluminum alloys toughness, are these diamonds useful as an armor? [duplicate]

According to this paper if diamonds are doped with some boron and nitrogen it will gain enormous toughness while retaining the superhardness characteristic of diamonds. This diamonds reach toughness ...

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