All Questions

-4
votes
1answer
61 views

What would be the most viable form of lighting in future bladerunner-esque cities? By viable, I mean widespread and efficient [closed]

Neon has been around for a very long time in cyberpunk narratives. LED seems like the way to go according to some of the responses - any other viable candidates?
1
vote
7answers
168 views

Problems Blending Sci-fi & Traditional Fantasy? [closed]

I have been cautioned against blending: Traditional fantasy elements Such as magic systems and exotic, less plausible creatures (on a scientific level - magic tends to explain away these beasts) ...
16
votes
13answers
3k views

Occupation Forces

So, I'm well aware that Sci-fi Writers Have No Sense of Scale. This is an effort to avert this for intragalactic conquest. My mighty space navy has crushed a solar system's defensive fleet, and now ...
4
votes
1answer
164 views

What would it look like in the accretion disk of a feeding supermassive black hole?

I wanted two characters unaffected by the heat and gravity to be close to a super massive black hole within the accretion disk, at times moving in orbit and at times completely still. Stars and ...
6
votes
2answers
504 views

How close could a planet get to a super massive black hole before being destroyed

I wanted to create a scene where two god-like characters are talking or fighting on a planet or fragment of planet to which they've teleported that's about to be obliterated by a black hole. The ...
6
votes
3answers
150 views

How would a world evolve with regular blizzards? [closed]

Imagine there are severe magical blizzards coming from the south pole at regular intervals. Since they're magical, let's assume they can cross the equator and don't lose strength over time. They are ...
5
votes
7answers
358 views

“Landing” a small asteroid on Earth

I've been poking around similar posts, but none seem to contain the information I'm looking for. I'll try to keep it brief. In the year 20XX, some powerful organizations are trying to "land" an ...
11
votes
4answers
322 views

How might my sea dwelling civilization defend against land-dwellers?

I've searched through a lot of merpeople related questions on this site and didn't see anything that related particularly to me as most questions have to do with underwater combat or dwellings on the ...
5
votes
6answers
235 views

Dwarfism in a 9 foot tall humanoid race

My story has a race exactly like humans, except they grow to be on average 9 feet tall. One of characters belongs to this race, but she is considered a dwarf to her people. This causes her to live ...
2
votes
7answers
230 views

How can I prevent the military from overthrowing the triumvirate?

This empire was founded on the basis of a triumvirate with each leader governing their own spear while being prevented from interfering with the others. The clerical spear is made up of the nation's ...
7
votes
5answers
192 views

Can-and-String Telecommunications Network - Repeaters and Amplifiers

Background We know about the can-and-string telephone. There are various claims about the maximum distance over which this is effective. Let's say 100 feet is possible without too much loss and ...
26
votes
5answers
5k views

How big is my Giant?

The hero saves the captured giant, and as a reward, the giant presents the hero with a magic ring... However, the ring is made for giant fingers, so the hero decides to wear it as an armband instead. ...
0
votes
2answers
127 views

How to stop cannibalism because of a world's lack of resources? [closed]

Create this mental picture in your head: A World named Gazon that used to be full of life until the Sentient Gazons you created used up all the available resources and started eating each other. Only ...
7
votes
2answers
1k views

Camel guns/ zamburak

How effective are these guys? And could they somehow be considered the predecessor to the modern tank just as the horses of the medieval age were?
5
votes
3answers
148 views

How can I create a new planet/satellite system that generates tides of 6-8 metres?

I'm creating a new setting for a novel. I'd like to build a world where the interaction between the planet and its satellite/satellites can generate a normal tide excursion around 6/8 metres. ...
6
votes
1answer
168 views

Possible sky colors compatible with life on earth

This question has been asked in similar forms on this site already with some good answers like here: What Color Can the Sky Be? How could the sky be orange in a breathable atmosphere? What would ...
4
votes
3answers
302 views

Can a troll hide withstand bullets?

The trolls in my story have a very thick and nigh impenetrable skin. In the time before guns, you would need a very sharp high-grade steel blade to breach the skin and, even then, after a few hits, ...
17
votes
8answers
6k views

What would be a source of iron to ward off faeries in todays world

In a story I'm writing, I'm going to need iron to ward off magical creatures, faeries to be exact. This iron should not be used in an alloy with other metals or coated with something like paint, tin,...
7
votes
2answers
2k views

What could make a ship made of pumice seaworthy?

I'm designing the type of ships an amphibious race could use for long distance travel, like a floating house, following oceanic currents. I imagine it shaped like an iceberg, with more structure below ...
-3
votes
1answer
233 views

In a world with 12 moons but NO sun, how to define a day? [closed]

I made the map of my fantasy world before thinking about the physics, as you can see bellow the art! I'm interested to understand how to decide which moon is in the sky at a given moment, if it's ...
6
votes
5answers
596 views

If Earth's atmosphere were to be enclosed, what effects would what have?

A universe-destroying parasite is set loose, and basically earth is placed under magical quarantine. (Think of it like the world is wrapped in magical cellophane.) My question is, how would earth's ...
5
votes
4answers
250 views

Could the 14-15th century world build a tank/AFV?

Using technology already available to them at the time, could the 14-15th century world create a somewhat effective tank/AFV that could either be used to move artillery quicker around the battlefield ...
7
votes
4answers
217 views

How can a species of natural time-travelers have a meaningful society?

Consider a fantasy species of "natural" time travelers. To define some specifics: Relevant Rules While it is not effortless, this species can move against the "arrow of time" much as a human can ...
3
votes
1answer
126 views

Mining Metallic Hydrogen

The Hegemony is in need of superconductors for their fleets of stratospheric craft (stratocraft for short) as well as many, many, many other applications. I recently read metallic hydrogen is a ...
1
vote
5answers
190 views

how can I replace the center of power in Christendom from Rome to Constantinople?

I, Emperor Lucifer the 1st, am the undisputed ruler of the Byzantine Empire, better known as the True Roman Empire. To secure my dominance, I plan to cement myself as the ruler of all Christendom in ...
29
votes
14answers
5k views

How can I launch a projectile to hit something in orbit, using only geological structures and power sources?

As an ancient organism whom currently occupies a large chunk of a planet beneath the surface, I have a pesky issue with an invasive species. These humans have decided to colonize my home, mistaking it ...
13
votes
13answers
4k views

What would be the difference in the reaction between trained and untrained people during an emergency situation?

For those who've read my previous questions, you might begin to see a "subtle" recurring theme. Context You can skip this part if you're just interested in the problem. Question Let's set the ...
2
votes
2answers
152 views

How long a human being could live with stem cells?

I once saw an experiment with mice, where they connected the bloodstream of a younger mouse to the bloodstream of an older mouse. And the older mouse became "younger", or at least healthier. If I ...
0
votes
2answers
104 views

How would an event that killed 80-90% of my world's population in the past have an effect on my world's economy? [closed]

My world is a medieval age with magic setting, with a fantasy style map (assume flat earth. Not entirely true but accurate enough). The world is several times bigger than Earth. An Empire which ...
1
vote
2answers
97 views

How Long Would Interstellar Expansion Take at Our Current Population Growth in This Circumstance?

FTL (Faster than Light) travel exists,taking around 88 hours 48 seconds to travel 1 light year. FTL communications also exists and takes only 53.28 seconds to travel 1 LY (Light Year). Jumps longer ...
8
votes
4answers
431 views

Hippotragine Antelopes: A Suitable Alternative For Actual Horses?

The hippotragines are a small subfamily of antelopes that bear physical resemblance to horses. There are three separate genera--Hippotragus, Oryx and Addax. As grazers, rather than browsers, the "...
12
votes
1answer
124 views

Realistic Landmass Formation on Torus-Shaped Planet

Having recently discovered that torus-shaped planets can actually form, I've started to consider using that design as a setting for a map(no real purpose in mind, just map making for the sake of it). ...
7
votes
1answer
92 views

How fast could a large creature feasibly grow and how much would it need to eat?

A creature in my story was largely inspired by the xenomorphs of the Alien franchise. In wondering how long it would take one of these creatures to grow from conception to maturity, I decided to look ...
1
vote
0answers
37 views

What would plant life on 55 Cancri e be like? [closed]

55 Cancri e is an actual exoplanet which should be around twice the size of Earth so it would be high gravity. It also is thought to be a carbon planet, meaning the role silicate takes on our world ...
-2
votes
2answers
89 views

Forced Evolution to Turn a Class I to a Class III civilization [closed]

So here's my idea: Every 2 years the class I civilization is inspected by an outside Class III civilization. If the Class I civilization has made progress then they will move on. If the Class I ...
8
votes
2answers
133 views

Is there a good reference for the evolution of ships over the ages?

So in Sci Fi we have this tendency to want to compare ship designations to modern sea faring ships. It dawned on me that this is probably completely wrong. Even though we want to refer to warships as ...
35
votes
17answers
11k views

Can the number of letters in alphabet suggest how advanced civilization is?

Let's suppose we intercepted a message in an unknown language. We were not able to decipher it, but we were able to decode it. Meaning we know the letters but not the meaning of the words in the text. ...
-1
votes
2answers
171 views

Would a Matriarchal Society Be Likely to Practice Toplessness? [closed]

Having read the Wikipedia article about toplessness, seem like many egalitarian societies practiced toplessness until they were influenced by the Europeans. So, would it be correct to assume that a ...
3
votes
4answers
96 views

How can I regulate cloning as a form of insurance?

All religions in our world teach us that the soul is the sum of a human being and is eternal. It is a metaphysical form that exists separate from the body, and yet is intrinsically tied to it. The ...
5
votes
1answer
111 views

Determining factor(s) for making creatures robust to square cubed law

Premise and research I am simply trying to find a reproducible framework for use with creature-design. In my research I have found the larger an animal is, the more likely that animal is to break its ...
16
votes
3answers
1k views

A Decoy Planet made of expanded polystyrene. How big can I make it?

Note: This is different from the previous question Building a full-sized Lego Earth - what would it look like at various levels?. In that case it was about making a solid full-size Earth from Lego and ...
8
votes
1answer
355 views

What kind of engine could the 14-15th century world create?

If someone in the 14-15th century world had the knowledge required to build an engine for use in locomotives and ships, what kind of engine could be made using technology that already existed back ...
2
votes
2answers
95 views

Could DNA Survive in Outer Space?

In my story the inhabitants of Earth are near extinction. They want to make a capsule of a bunch of human DNA and blast it toward the Andromeda galaxy. They take 1 oz of every blood type still living ...
11
votes
16answers
3k views

What stops a race of giants from wiping out humanity?

Starting from 435 A.D., a race of sea-faring giants has made land-fall in Eurasia and is raising hell. Due to socio-political pressures in their island homelands in Polynesia and Australia (constant ...
-2
votes
2answers
116 views

Would Human Hair Be an Electrical Conductor or an Insulator

So in my world it is the future and ALMOST ALL NATURAL METALS are gone. They needed power to get delivered in some form. One scientist thought up a solution: Human hair. The science community was ...
1
vote
3answers
178 views

Can a civilization arise around insect cultivation

Unnecessary Setup In my story, a race of gods arrive in our solar system from the far flung colonies of a Type III civilization. When they arrive at Earth and see the rise of hominids, they split ...
1
vote
3answers
188 views

Must Make a Major Modification of Medieval Metallurgy

The scene: Earth, but with a single major modification, the addition of a HUGE quantity of a single element to the Earth's crust (bringing it up to the same abundance as Iron in the crust). The ...
3
votes
1answer
77 views

Laser Induced Plasma Channel Inspired Gun

The idea is for a gun that was manufactured by revolting mining colonists from existing mining lasers, as such a weapon would be easily procured from their own resources. The weapon itself would be ...
6
votes
2answers
496 views

Can a planet's rings be so thick that someone inside them can't see out?

For a SF story I'm wondering how thick a planet's rings can be? When viewed from the inside, can the ring material be so dense that visibility would only be a couple of meters? What would it take to ...
17
votes
8answers
940 views

Maximum Personal Time-field Speed?

One day, you suddenly get superpowers! Whoo-hoo, you can speed up or slow down the flow of time for yourself. This means you can run faster than a jet, right? So you decide to test it out. You go ...

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