All Questions

5
votes
2answers
170 views

Verbally communicating with a no-lips, no-nosed, spiked tooth alien

In my world, humans encounter an alien species. They want to communicate verbally with each other, so I'd like to know what sounds could be shared by both species. The species has no/very thin lips, ...
0
votes
1answer
80 views

Could a synchronously-rotating planet in the goldilocks zone exist? [duplicate]

An earth like planet in terms of lots of water and an atmosphere. The liquid water on the sunny side would evaporate due to the extreme heat and the snow and ice on the dark side would never melt due ...
6
votes
6answers
274 views

What NFL position is best for a 9 foot tall giant?

Recently, while at an extremely remote filming location for a movie I'm producing, I encountered a young man I'll call Sims who is a literal giant. Sims is 22 years old, 9 feet tall, and he weights ...
21
votes
8answers
6k views

Would it be feasible to have a wolf as a mount?

On my fantasy planet, humanoid peoples are at war and ride different animals into battle, including wolves. People and their wolves are, for all intents and purposes, extremely similar to humans and ...
2
votes
2answers
150 views

Should insurgent groups centralise their hideouts? [closed]

Exposition: This story takes place in a fictional world set in medieval-esque times, where shapeshifters exist in the sense that they have one human and one animal form. In a kingdom called Caelus, ...
6
votes
2answers
219 views

Alcubierre warp-lanes, what is the most stable way to create them?

2 informational references for Alcubierre fields can be found at the end of this question. Warp-lanes aren't a novelty in science-fiction. Space ships can use a specific route to go through a Galaxy ...
5
votes
8answers
569 views

Small Species - What weapons would make sense?

One thing that I've been thinking about, for one of my sci-fi worlds, is the main race that inhabits it. They’re a small mammalian species, about three and a half feet tall on average, evolving on an ...
18
votes
8answers
3k views

Ancient-Roman-type Postal Service with Rats as Couriers

Background In the Great City the underground sewers extend to all but the most impoverished households. Most dwellings have an outside privy for their needs as indoor toilets are relatively new. The ...
1
vote
1answer
137 views

Why would a male marsiupial agree to accept responsibility for carrying half of his mate's joeys?

I'm looking to create a species of marsupial that is heavily K select, which is to say they put significant effort into raising their young after birth (both of them :P ) in which both the male and ...
24
votes
7answers
8k views

Chlorine Trifluoride as a Space Weapon?

Pretty self-explanatory. Could a spaceship use a "ClF3 Mortar" to fire copper shells at enemy vessels? At first glance, this seems like a good weapon: it can burn even in space and can set fire to ...
38
votes
24answers
10k views

How could intelligent animals defend against humans?

Some Context This story is a fable set in a magic forest full of intelligent animals that live in a huge community. Maleficent depicts a forest that's very close to what I'm thinking. The magic ...
-2
votes
2answers
107 views

How to physically force a remotedly controlled cannon to shoot? [closed]

Imagine there is an advanced spaceship. It's huge, and it's equipped with cannons operated by some kind of advanced energy source (atomic and upwards). This source is located in the same room as the ...
9
votes
8answers
2k views

How can a royal family avoid political instability after a deathbattle?

Centuries ago, a powerful empire fell into civil war when the five most influential families battled each other for dominance. After decades with no side gaining the upper hand, the families agreed to ...
4
votes
1answer
166 views

Floating cities with a new superconductor v2

I made a question regarding floating cities coming from a misunderstanding of this great answer. Luckily one comment showed me how floating cities could be possible in a slightly different scenario. ...
5
votes
4answers
204 views

How can Mars have life but still be “The Red Planet”

Building on this question "Discovery of life on Mars" Mars is habitable (40% the mass of Earth, 6.06 m/s² gravity, escape velocity of 7.88 km/s, a satellite big enough to stabilize its axis and has ...
4
votes
3answers
1k views

Discovery of life on Mars [closed]

For months now I've had a dream, with every night building upon it. Only till recently I've decided to write it as a story. I'm by no means a writer, but once I started writing, I got this feeling ...
1
vote
3answers
123 views

Self selective breeding humans [closed]

Many dogs, as well as other animals, were bred to the point of becoming nothing but mere tools or toys. For example, wolves certainly were already strong, fast, or intelligent creatures but some ...
12
votes
11answers
3k views

At great altitude, what conditions are needed to support a human community?

In my part of this (Earth-like) world, there is a stable community of completely isolated pre-industrial humans, numbering perhaps 1,800. They live at an altitude of (at least) 25,000 feet (7620 ...
11
votes
3answers
2k views

Superheated wing blast!

So, we know that big creatures will generate lots of heat if they’re active. We also know that wings are very good at venting excess heat. Now for most animals, this heat isn’t exactly spectacular, a ...
8
votes
5answers
1k views

Absorbing heat from unlikely places

Living in polar climates can be quite difficult, and staying warm can often be such an issue. But not anymore with the heat sponge! This nifty little organ draws heat from even the coldest water to ...
17
votes
8answers
6k views

The Nuclear Dragon

Alright so let’s say that we have a massive dragon about 2 miles long. This big guy needs a lot of fuel to power himself and since there is only so much food he can eat at one time, he decides to run ...
4
votes
2answers
479 views

What kind of science could be done in a station orbiting black hole [closed]

I am writing a script for science fiction RPG where everything takes place in a science station orbiting a black hole just outside the Schwarzschild radius. But it occurred to me I have no idea what ...
12
votes
21answers
4k views

Is there a way to keep science from ruining tribute magic?

This magic is done by offering a tribute to god. The tribute is mana, the magical power source. You offer it up in return for a wish granted by god. The benefit of the magic is that the only ...
9
votes
7answers
2k views

What would be the purpose of three spinal sails on a creature?

So I am finishing up a functional concept of an alien I have been working on (a large semi-aquatic amphibian) and I am at the final piece of the puzzle. Their sails. I wanted these creatures to ...
10
votes
5answers
2k views

Is there a reason for a humanoid species to be 'biologically' matriarchal with females being slightly more dominant than the males?

Following my last question asked regarding oviparous humanoids, is there a way for evolution to 'regard' females as the more dominant gender without going down that road, forming a heavily matriarchal ...
4
votes
11answers
359 views

In a world without science, what would cause society to widely lose belief in the fundamentals of its religion?

Here's the intended situation: There's a religion based on the premise that the priests are protecting the general public from evil magic. Use of magic is taboo. What they call magic is actually ...
0
votes
0answers
31 views

How would humans adapt to be better suited to flight? [duplicate]

My main OC, I was thinking, could have some sort of jet pack/ propulsion device to be able to fly etc. But having recently read some articles about the barriers and the obstacles preventing humans ...
20
votes
13answers
5k views

How to keep the anonymity of people attending a regular event taking place at the same location everytime?

In my setting, a handful of characters have to attend a daily event (such as classes). They do so anonymously, as attending this event could endanger their civilian life if the wrong people were to ...
24
votes
17answers
7k views

Need a specific event that wrecks the surface, allows the race to survive in bunkers, and affords an aftermath suitable for them to rebuild

One rule: it cannot be caused by aliens or AI invading the planet. But it is okay if an alien race causes the destruction in any other way. It's an Earth-like planet. I need the effects of the ...
8
votes
1answer
149 views

How to boost the human immune system, realistically?

As stated in the title: is there any realistic way to either evolve (in our evolutionary past) or acquire via genetic engineering an immune system better than what we already have? I tried to do some ...
2
votes
0answers
70 views

What are the effects of mass extinction? [closed]

In an “Ancient Greek” technological world a magical plague causes the extinction of all animals larger than a chicken, or say 5lbs/2kg. Some Humans and small animals (cats and dogs) survive this by ...
8
votes
1answer
505 views

If the Earth was part of an ultimate solar system, what would the sky look like?

I once show a picture depicticting the idea of an ultimate solar system: Image Copyright Sean Raymond In this solar system there are 8 planetary orbits, each containing 52 equal-mass, evenly-spaced ...
8
votes
5answers
287 views

Is there a way for human-sized oviparous humanoid mammals to produce young in eggs without going the full marsupial route?

As per my last two questions asked, I still have a niggling query left regarding a humanoid species in production. To further support their matriarchal theme through evolution, I have decided to make ...
8
votes
3answers
317 views

Life on giant planet | Can centrifugal force reduce gravity?

In my world a space civilization is colonizing a massive solid planet. The planet has an extraordinarily fast rotation. The gravity is severe at the poles, making life impossible, but life flourish ...
7
votes
2answers
130 views

Calculating an eccentric enough orbit to allow a dip into atmosphere and escape again

How would I calculate if it is possible to have an eccentric enough orbit around a gas giant to dip the periapsis some depth(how deep?) into the atmosphere of a gas giant like Jupiter or Saturn and ...
5
votes
2answers
442 views

What alterations without drastically altering their humanoid shape nor horns, can I make to my species that lower the risk of neck snapping?

continuing from the question I had asked yesterday, I have had another query come to mind. For my humanoid alien species to possess horns, it would surely put forward the risk of being the shortcut to ...
3
votes
1answer
72 views

Trading ships simulation and maybe some pirates [closed]

I don't know if this is an acceptable question (it's not even a question), but I like the site artwork and I built a world. Playing with Javascript, I came up with a sea world. Buggy test here http://...
6
votes
4answers
572 views

Why should astronauts grow and eat Caulerpa taxifolia, the world's biggest single-celled organism?

Caulerpa taxifolia, an algae species popular with aquarium owners, is the largest single-celled organism known to us as of today. It is notable for being able to regenerate from any part of the body ...
7
votes
3answers
461 views

Aliens selectively breed humans to be bigger. How big could they get and still look human?

Can we go from this: to this: Suppose over millennia (or as long as it takes) humans on Earth are artificially selected by aliens to be big and healthy. Is there any theoretical reason that they ...
4
votes
3answers
233 views

Could a Tree grow around a humanoid being?

So, let’s say a group of survivors tie an immortal being to a young tree sapling. The immortal does not need food, nor water, so can survive indefinitely. After about 100 years, could that young ...
3
votes
4answers
166 views

How to resettle and rebuild the Wasteland after other governments arise? [closed]

So, the Nuclear Apocalypse has come and gone. The year of 1962 wasn’t a good one for humanity, at all, but the United States government, in their eternal infallible wisdom, had a plan to outlive ...
4
votes
2answers
126 views

How would the anatomy of a metal-eating bug work out?

Background: The creature is bug-like, and similar to an armadillo in size. Its diet consists of metal, and is found underground in large colonies. It uses the metal it ingests to: Enhance it's shell ...
6
votes
4answers
213 views

Is it plausible for a being to possess a singular halo-shaped 'horn', while other members of the species possess two 'regular horns'?

I am currently working a humanoid roughly deer-like species in a sci-fi roleplay setting, and one of the developments I have had with such species has me stuck trying to explain it in a way that makes ...
2
votes
1answer
102 views

How strong would an armor made out of steel grain bonded with living GMO plant root possibly be?

In my setting that take place around a century from now, there is a military organization which consist of multiple fraction from various lawless independent industrial colonies. Their technology ...
2
votes
2answers
164 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 ...
5
votes
4answers
136 views

Would a double-decker tri-articulated bus work effectively?

In my setting, the planet is grossly overpopulated. Vehicles are required to carry large loads of people from place to place. Bi-articulated buses are a necessity and have replaced regular buses as a ...
4
votes
3answers
145 views

What kinds of minerals or compounds could radiate heat?

I'm working on an RPG in a world with some magical elements, like a type of energy (so far unnamed) inherent in animals and humans. Those with high amounts of this life energy in them are thought of ...
3
votes
1answer
92 views

What are some reasons a society might isolate its citizens for a few hundred years? [closed]

I hope I've narrowed down the general idea of my question enough-- Basically, I've started with the idea of a desert society with access to a hidden energy source ruled by a body of immortals. At ...
4
votes
3answers
832 views

How many litres of gaseous helium would it take to lift 80 kg on Earth?

I have dragons in mind for my world, but I'm trying to find logic in how would a medium-sized anything fly off and still be a danger to humans. So far, I have a lizard-like cheetah with wings, ...
6
votes
2answers
508 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 ...

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