All Questions

11
votes
5answers
2k views

Important resources for Dark Age civilizations?

In a time period with medieval technology, what would be the most important local resources? I've put together a small list and broken it down into categories, but I'd like to know if there's anything ...
20
votes
27answers
6k views

How does one intimidate enemies without having the capacity for violence?

I'm building a world in a nation role-play community. I recently have begun to use ftl technologies (ftl information transfer and travel) while the majority of the community has had ftl technologies ...
3
votes
2answers
207 views

Is it possible to break the sound barrier in space with a really fast spacecraft

I was doing some research online about slower-than-light interstellar spacecraft, and it got me thinking about a couple things. Although it may seem empty, the space between stars isn't a perfect ...
7
votes
3answers
289 views

Are healing potions scientifically plausible?

As clarification we're talking about those common fantasy healing potions that recover health over time and their scientific plausibility. Here are some results from my research on the subject: ...
13
votes
5answers
293 views

Would it be possible to create a spandex looking suit that at the same time offers physical protection?

I'd like to know if such a material would be, at least, theoretically possible nowadays, if we somehow were to be able to have enough material of whichever one we wished for and the theoretical ...
11
votes
5answers
3k views

Could gravitational lensing be used to protect a spaceship from a laser?

Suppose Ship A is being targeted by Ship B, which intends to use a laser weapon in an attempt to destroy Ship A. Ship A has special technology that allows it to alter gravity (mainly used for ...
4
votes
3answers
287 views

Non-causality-violating FTL travel. / Can omnipotence beat causality?

While building my sifi world I dug into ftl-travel and encountered these mean bullies, causality and relativity. They told me I can't have faster than light travel, because effect can't precede cause ...
7
votes
3answers
189 views

How might a deepwater mermaid react to sunlight and heat?

One of my mermaids is on land in the daytime, and I'm just wondering what the sudden existence of sunlight and Florida heat might feel like for her, since she's from the mesopelagic zone and is ...
9
votes
2answers
2k views

Is it possible to create light that imparts a greater proportion of its energy as momentum rather than heat?

This is yet another question concerning lasers as employed by sorcerers in a particular fantasy setting, but this one pertains to the momentum that photons possess and whether it's possible to ...
9
votes
2answers
159 views

How to blow up water and fly through the wake

I want to achieve the following. Jet + secret base underwater + blow up water with bomb to gain entry to tunnel at bottom of the sea, see image: Say that the depth is 1000m, then Based on calculation ...
6
votes
6answers
293 views

In what sort of environment might a species with biological wheels evolve, and what would they look like?

So for a thought experiment I came up with the idea of a species that uses wheels for locomotion, sort of inspired by a species shown in His Dark Materials. Under what circumstances would such a ...
4
votes
3answers
160 views

What would a lethal laser attack by a sorcerer look like?

In a magic system that allowed the manipulation of energy by sorcerers, what would a bystander observe during such an attack? Some details are relevant: As I understand it, lasers are visible due to ...
4
votes
2answers
266 views

How to explain day is 10 times as bright but no warmer?

Set at the present day Earth, the daylight on average is ten times as bright as today, approximately 111,000 lux at noon for example and subject to geographic and the air quality etc. I am looking for ...
6
votes
2answers
113 views

How can I determine the largest possible population that a ring world can comfortably support?

The gods have given up on the habital planet scheme and have decided to design this universe differently. They have filled it with a space structure called a banks orbital. These habitats are purpose-...
4
votes
1answer
90 views

Could an entirely (or mostly) hydraulic muscular system work in terrestrial vertebrates?

In Invertebrates, Muscular Hydrostat, which is a form of biological hydraulic, is used for locomotion. On Earth, (as far as I'm aware) no system exists where hydraulics perform in conjunction with a ...
0
votes
4answers
175 views

Could a future, science-fiction submarine navigate almost vertical and/or turn upside down?

I have followed this forum for quite some time. Now is the time to ask my first question :) I'm currently working on a story in which a future, civilian luxury submarine is used to research some ...
-3
votes
3answers
126 views

Which aircraft would be effective in medieval times? [closed]

Based slightly off the anime GATE, if I had excess to modern military technology and an army to operate them in medieval times like the anime, which aircraft would be better suited to destroy a city?...
24
votes
16answers
5k views

How can I prevent hyper evolved versions of regular creatures from wiping out their cousins?

The world is covered in mana, the life force that flows through all things. In certain places, this mana saturates to high levels. This affects the animals living in those areas, who absorb the high ...
3
votes
10answers
370 views

How could a medieval army only use unarmed combat and still be effective?

This medieval fighting force, we'll just call them the Bruiser Army, uses only unarmed combat, but how are they still effective? They have absolutely no range compared to the spears and swords of ...
14
votes
12answers
3k views

Little known, relatively unlikely, but scientifically plausible, apocalyptic (or near apocalyptic) events [closed]

We know the common tropes for an apocalyptic event: meteor/asteroid hits earth; crazy infectious virus/bacteria; AI takes over; we nuke ourselves; climate change; hostile aliens. But what are some ...
4
votes
3answers
119 views

Modern Landscape Lacking Wood Decomposers

What would a modern landscape look like with the absence of lignin decomposing fungi, bacteria, and etc. What I mean is...would a forested area just become filled with fallen trees instead of a more ...
5
votes
1answer
141 views

Could genetic engineering enable humans to make use of titanium or some similar material instead of calcium for bone formation?

I'm planing to create "super powers" born out of genetic engineering, but I don't want magic miracle stuff like an x-man, I'm looking for a realistic approach, so overall can you modify the materials ...
1
vote
4answers
83 views

How can I design a glamour spell for a creature that meets certain requirements? [closed]

The malcubi are demons from hell that consume people's souls during the act of intercourse. They have lived on earth since the days of early Mesopotamia, devouring men to feed their hunger and sustain ...
9
votes
3answers
359 views

Can the Meissner effect explain very large floating structures?

James Cameron's Avatar featured floating mountains which stayed aloft due to the Meissner effect; they contained large quantities of the room-temperature superconductor unobtainium, which, due to ...
2
votes
6answers
216 views

Would separating people into 2 groups help the economy in any way?

Would splitting humans into two groups, those that work and live during the night, and those that work and live during the day, help the economy in any way? What would be other considerations of ...
21
votes
9answers
6k views

Assassin's bullet with mercury

This is something I have been wondering: if an assassin wanted to kill their target with a bullet from a sniper rifle, can they dip it in liquid mercury so even if the bullet itself doesn't kill them, ...
4
votes
3answers
502 views

Can mass be shunted off into hyperspace, but the matter remains?

My question is this: can excess mass be bled off into hyperspace (the large and compact extra dimensions, not the Star Wars-esque swirling vortex), yet the matter remains in our universe? Is mass too ...
9
votes
2answers
121 views

Anatomy of a walking octopoid

I have some alien creatures which are essentially land-going octopoids somewhat larger than humans. Tentacles not being a good form of propulsion on land, they have rudimentary 'legs' with one bone ...
8
votes
7answers
2k views

Is it logically or scientifically possible to artificially send energy to the body?

Is it possible to use a power plant-like machine to create small amounts of electrical (or other) energy directly inside the human body, making it such that the human has energy for activity without ...
6
votes
3answers
299 views

Which edge shape is better to cut things with for a chain sword type/style?

To help you get the idea of what I mean, here is an example of the edge. Imagine the edge can move like a chain sword or chain saw, so don't take it too literally. Don't consider the entire sword ...
9
votes
1answer
173 views

Designing a worldbuilding workshop for policymakers [closed]

I'm an economic researcher and I think that worldbuilding as an exercise could offer some valuable tools to policymakers as they try to imagine possible futures and then design policies which would ...
8
votes
4answers
1k views

What factors affect how many moons a planet can have?

A moon is just a natural satellite - something orbiting a planet - so I'm interested in what kind of factors influence how many moons a planet can have, and how many moons a planet will actually have. ...
6
votes
0answers
255 views

The great battery swap

An alien contra-organization wants to spur the development of Earth to help humans in the near-future in presence of a prime-directive like law. They cannot establish actual contact, so they do the ...
1
vote
0answers
78 views

How would an “minecraft-like” dimension behave? [closed]

The "dimension" I'm building, consists of earth-like plane that stretches on to infinity. It's a soft sci-fi universe and this dimension is man-made. The land has infinite mass, I don't know what ...
0
votes
3answers
147 views

Portals to other worlds and disease

Say character A develops an ability to travel to other worlds where no one from her world has been before but the world contains native organic sentient populations that are similar/the same in ...
20
votes
6answers
4k views

Personal Teleportation: From Rags to Riches

I'm looking to investigate one aspect of the "real world" implications of teleportation as a super power, much like I did with this question. In this case, I'm trying to figure out the best method(s) ...
16
votes
8answers
2k views

Where would I need my direct neural interface to be implanted?

In my story a new device has been developed which will replace clunky headsets and haptic suits. This new device is surgically implanted in the users’ bodies and allow them to interface directly with ...
5
votes
5answers
358 views

What would the climate of a planetwide city be like?

Assume the entirety of Earth (all the land) is covered in a city. What would the climate be like in different parts of it? I.e., what would it be like on the coast, or inland? I imagine it would be ...
28
votes
17answers
6k views

How could indestructible materials be used in power generation?

Background: In this scenario assume technology is initially equal to our own, but a method is discovered to render material indestructible. The affected material is treated as requiring infinite or ...
6
votes
2answers
128 views

Ice-World / Cryo-World Settlement (amorphous cryolava / cryomagma)

I was watching a program about the New Horizons space probe and was fascinated by the new revelations about cryolava/cryomagma, and the amorphous planes covering Pluto(98% nitrogen ice). I'm ...
1
vote
2answers
112 views

I need help with making an eldritch monster [closed]

Im writing a fiction and i need some help. I need to create an eldritch abomination that would represent humanity as a collective. Think of it this way. Humanity is collectively killed and merged into ...
9
votes
5answers
2k views

Is it possible to map the firing of neurons in the human brain so as to stimulate artificial memories in someone else?

My question is based on the following excerpt from an article I read recently: Since the early neurological work of Karl Lashley and Wilder Penfield in the 1950s and 1960s, it has become clear that ...
7
votes
5answers
207 views

How to regulate the expected result of fights between hired mercenaries?

In my world, the government has prohibited owning your own military-like force. So what is a filthy rich person supposed to do to get back at the one who has given them a deadly insult? Hire ...
8
votes
7answers
253 views

How could a pair of twins be born with different abilities? [closed]

The demon king Sparda had an affair with a mortal woman. This union produced a set of twins named Dante and Virgil. However, a peculiarity occurred between their forming. The one called Dante was born ...
7
votes
6answers
1k views

How could sorcerers who are able to produce/manipulate almost all forms of energy communicate over large distances?

Sorcerers possess the ability to sense, generate, and manipulate energy; however, their abilities are largely limited to controlling energy that they/other sorcerers have created, and not naturally ...
9
votes
13answers
5k views

What historical events would have to change in order to make 19th century “steampunk” technology possible?

I know this is similar to this question but I'm not interested in suppressing 20th century tech to create 21st century steampunk, but in creating late 19th century steampunk with fantastic, Jules ...
5
votes
2answers
136 views

Creating a scientifically semi-valid super-soldier, addendum: Metabolism

A while back Demigan had a running series of posts about various aspects biological enhancement for the purpose of designing super-soldiers with an element of (pseudo) science behind them. You can ...
2
votes
3answers
1k views

Human-leather Armor: Effective and Practical?

In-world background: As part of its army, Country Bad Guys has a contingent of human slave cavalry. Country Bad Guys wants these humans to have an armor that will provide reasonable protection, but ...
7
votes
3answers
1k views

Is it possible to ice skate on an ice moon/world?

If you found out a way to produce a smooth icy surface on an ice moon like Ganymede, Enceladus, or Callisto, what kind of challenges would someone face if they tried to start ice skating? I figured ...
8
votes
2answers
749 views

Could a dragon use hot air to help it take off?

So a friend of mine came up with an interesting question. Considering the fairly universal following facts about western-style fantasy dragons: a) dragons can breath fire b) dragons themselves are ...

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