All Questions

8
votes
3answers
170 views

Symbiotic Assassin Vines

I have an idea for an encounter in my world that goes like this... A weary group of adventurers are trekking through a great ancient forest. This forest is avoided by most due to strange tales of ...
4
votes
1answer
179 views

Origin of life on a waterworld

Take a planet like Gliese 1214 B, which has no land, an ocean 100s of kilometres deep and a seabed of Ice VII. For the purposes of the question, let's assume that the pressure and/or temperature near ...
4
votes
2answers
154 views

Evolution adapted to technology

...kill every protohuman who tries to leave the African continent. This comment made me think about one question. Suppose you have robot guards, like futuristic lasers, who just shoot at any landing ...
6
votes
2answers
284 views

Does crossing a wormhole happen instantaneously, or with the course of time?

I have seen many science fiction movies that depict traveling in space through wormholes. The appearance though, and the time it takes to cross a wormhole, tends to vary: • On one hand, we have the ...
7
votes
2answers
139 views

Dead on Mars: Surviving Bacteria

I'm interested in the introduction of bacteria on Mars. If a small base were set up with attempts to maintain some sort of sterilisation protocols, but all the humans died on that base a) what would ...
0
votes
0answers
59 views

Pulse jet helicopters [on hold]

Is it possible for these pulse jet helicopters to be made into the size of an apache or perhaps the chinook? And how long would they stay airborne?
1
vote
1answer
68 views

Worldbuilding Materials [on hold]

When you create a religion, organization, or any other object within your world, can related materials be useful for realizing the world? For example: If you create a religion, will an excerpt of a ...
1
vote
1answer
262 views

Can a black hole be turned into a white hole?

Following the Schwarzschild metric, we could consider that a white hole=black hole with no angular momentum (no spin?) or electric charge. Would be enough to slow down a black hole and somehow remove ...
8
votes
1answer
219 views

Bouncing Beads of Blood - Just how cold would it have to be?

My heroine has been stabbed - run through the abdomen by a foot-long dagger - and is bleeding to death. She is currently crawling toward her salvation through a very cold place. She is magically ...
5
votes
1answer
124 views

How do humans with electric organs prevent self-electrocution?

In my world, a small population on an isolated island were bitten by radioactive electric eels while fishing. I read that the eels can send out carefully timed signals through their nervous systems ...
24
votes
9answers
7k views

Everyday tasks on a space ship

There is a space ship, flying from planet to planet for multiple years. It is a science vessel, so, once they reach a planet, they do research. But what do they do if they are in transit between ...
8
votes
1answer
100 views

Carbon cycle in a sulphur-based biochemistry

I'm designing a world with advanced life forms that use a sulphur-based biochemistry (see this link for context). I would like to create a carbon cycle analogous to Earth, where: Photosynthesis ...
31
votes
19answers
11k views

Lying is illegal. How to make joking not an offence?

In the society I am building it is illegal for a government official to lie (this isn't a reaction to real world politics; I've been building this world for a while), while speaking/acting as ...
4
votes
3answers
128 views

Cooking using nuclear bombs [on hold]

This question is completely just for fun! :) So in one of my classes, some boys on an another table were debating whether you could toast a marshmallow for smores using a nuclear blast from a nuclear ...
0
votes
1answer
85 views

If the earth suddenly had a new axis of rotation, would the tendency be for it’s new axis to align itself perpendicularly to its orbit over time? [on hold]

If the earth suddenly had a new axis of rotation (due to catastrophic events - humor me), would the tendency be for it’s new axis to align itself perpendicularly to its orbital plane over time? For ...
-1
votes
2answers
101 views

What would a Scientific based way of making a person Similar to Marvels “Spider-Man” [on hold]

The Question How would someone scientifically emulate Spider-Man powers without altering the human genes? The Limits No genetic engineering (except on spiders for their silk) Technology level is ...
10
votes
5answers
2k views

How vulnerable are the undersea internet cables to deliberate sabotage by one of the major powers (US, UK, Russia, etc)? [on hold]

Over 99% of the transcontinental internet traffic goes through a network of 280 sets of undersea cables. How vulnerable are these to deliberate sabotage by the major powers? I'd rather not focus ...
-4
votes
2answers
168 views
+100

Gadget: Insect wings

(Related to Human Dragonfly wings) Context The mutant thread is back. For more context, see my previous questions. One of my character is a "subtle" mutant (no outward sign) that has an affinity ...
0
votes
1answer
86 views

What are the economic effects of an electricity shutdown that lasts weeks in big city? [closed]

How this affects the economy of the big tech industries like factories and the media like radio stations and television? What are the effects that this brings in the life of normal people?
6
votes
2answers
1k views

What are the best weapons and armour for fighting underground? [on hold]

First off assume that the technology is roughly that of the High Medieval age circa 1100 AD. The combatants are assumed to be humans in this case adapted to life underground after around 3000 yrs of ...
5
votes
2answers
108 views

Reducing atmospheric pressure on Snowball Earth

A Snowball Earth is a global condition (which may have occurred many times) in which the temperature everywhere on the surface was, for extended periods (up to tens of millions of years), below the ...
8
votes
8answers
7k views

Why bother programming facial expressions for artificial intelligence if humans are bad at recognising them?

Set in the near future, robots and mankind coexist amicably due to the great technological advancement in robotics and artificial intelligence. They are everywhere and some took a human form. All of ...
4
votes
5answers
217 views

Terraforming via rapidly growing organisms, is it a good idea?

Terraforming and maintaining a biosphere suitable for humans is tough, but no worries, Protogon is here! Collaborating with Providence, our scientists have created Hygiea, a series of rapidly growing ...
-2
votes
7answers
261 views

How can genetic enchancements allow male and female sports leagues to intertwine with each other?

The human race is divided into two variants: male and female. The former is generally more dominant physically due to its size, making them bigger, stronger, and faster. They are predisposed to being ...
0
votes
3answers
229 views

Controlling personal gravity – how would it affect a warrior's combat style?

So I have a character in a fantasy setting who is basically a human for the most part in terms of physical limits. They do have slightly stronger bone structure and greater endurance, along with ...
5
votes
1answer
123 views

Realistic alternatives to oxygen-based respiration? [closed]

Background I'm developing 6 to 10 sapient alien races for a short story. Basic Story Setting The short story takes place in the Milky Way sometime in the next 1000 years. These races will be at ...
9
votes
2answers
115 views

How to design an electrical grid for a flare star planet?

The most popular type of stars are red dwarves, which regrettably tend to be flare stars. Yes, I know that geomagnetic storms and power lines do not like each other. Technology level: More or less ...
5
votes
3answers
216 views

What animals would a sedentary centaur civilization domesticate?

The first in a series of questions on building a realistic sedentary centaur culture. From what I have encountered, centaur civilizations are usually modeled on (semi)nomadic cultures from the ...
1
vote
10answers
4k views

What kind of near-future technology would enable extremely quick, mostly silent, communication between soldiers?

My book is about a near-future socialist insurgency. Think Che Guevara. Che Guevara won with only 22 men by garnering support of the local population. I've read his books and can't say I see many ...
23
votes
11answers
6k views

Nuclear magic: Surviving your own spells

TLDR: Portals to other places; wizards use them to make nukes-as-fireballs/anti-personal level attacks, how do they survive? In a system of magic that functions around opening portals, what ...
6
votes
5answers
886 views

How do I create conditions to lead to a benevolent dictatorship? [closed]

In my world a nation currently involved in a civil war between multiple warring factions is nearing an end. The man who has appeared as the victor is a blood thirsty tyrant, who continually ...
1
vote
1answer
53 views

Superluminal signal to past (alien technology) [closed]

With our current understanding of physics it is not possible to send anything into the past (although GR mathematically allows it). Could an intelligent alien species with a 100,000+ year head start ...
9
votes
15answers
2k views

What natural phenomenon could lead to greatly varying season lengths? [duplicate]

I'm intrigued by the topos of varying season lengths brought to us in the Game of Thrones universe. I think it makes for a brilliant and versatile backdrop for the story, and it is something I'd like ...
-2
votes
0answers
88 views

Can a time tunnel be constructed? [closed]

As a Big fan of Irwin Allen's TIME TUNNEL, during the sixties could such a thing be possible , The size depicted I would think would be pretty accurate. as the power requirements would be massive .....
2
votes
2answers
223 views

New Age Armor Materials

In my world, high velocity projectile weapons have become obsolete due to a shield/forcefield that can nullify and deflect projectiles traveling at, or above supersonic speed (EDIT: Firearms are ...
0
votes
2answers
104 views

Airship Propulsion System [closed]

The airships that I have imagined use anti-gravitational engines to allow them to hover above Earth's surface. I was thinking of having four of the engines around the vessel's hull. Could these ...
5
votes
2answers
211 views

What's the biggest, most spectacular asteroid collision the moon could save us from?

An asteroid collision big enough and fast enough to see a massive ejection of rock and moon-chunks, from the surface of the earth AND not wipe out the population of the planet. What size and speed of ...
3
votes
3answers
163 views

A world of animals and cannibalism, is it plausible?

So, one of my universes, is basically a 70’s retrofuture inhabited by anthropomorphic animals. They’re animals, for the purpose of creating a fragile civilization, as well as its themes of “Humanity ...
4
votes
4answers
237 views

Ideal Time Period for a Global Pandemic

I'm trying to figure out what period of time in human history gives an influenza-like virus the best chance of exterminating 80% of human life within the span of no more than 2 years. Basically, it ...
0
votes
1answer
72 views

Would system virtualization technology play a role in future space colonization and can we observe its roots today? [closed]

If I asked the same question for operating systems, I'd say I am quite confident that some descendants of Linux could be there for a very long time. Today, while Linux is used in embedded IoT devices,...
14
votes
1answer
554 views

Scaling Up Internal Mass Drivers?

Internal mass drivers are a potentially useful space drive, due to the ready availability of reaction mass (you can use anything from spare parts to literal dirt as propellant). However, on long ...
0
votes
1answer
116 views

How would floating islands work? [duplicate]

Soaring among the clouds over an earth-like planet, islands... on which fortresses are built for strategic advantage, on which stations for the dragon air force are built, and which can be relatively ...
-3
votes
7answers
277 views

A Theory for Science-Fiction Time-Travel

From H.G. Wells onward, there have been many stories concerning the phenomenon of time-travel. Few of them provide a plausible mechanism. For my story I would like to put forward such a theory. We ...
-6
votes
0answers
57 views

What could humanity do with shrinking technology? [closed]

Imagine that humans in the far future manage somehow to create a shrink ray. They have found a way to shrink an object or a person in size while still retaining the same mass. What are the benefits ...
12
votes
4answers
2k views

Calculating City Size based on Population

Question: I'm trying to determine how large (geographically) my city will have to be to accommodate for 1 million people. I have a city that was basically formed by the gods to be fertile land with a ...
5
votes
4answers
275 views

Feasibility of this Alternate History scenario (WWII France)

I was wondering about the feasibility of France maintaining a total war against the nazis in WWII following its disastrous military defeats in June 1940. Would it be possible for the bulk of the ...
0
votes
2answers
224 views

If a Mount Everest-sized mountain had Earth's sea level atmospheric pressure at the top, what would the atmospheric pressure be at sea level?

I'm designing a world with earthlike gravity where the human colonists are intended to live on top of a gigantic shield volcano as tall as Mount Everest. What would the pressure be at the bottom? ...
0
votes
1answer
139 views

What will it cost me to travel through Time? (Part 1: Travelling forwards in Time - Time Dilation)

There are many questions on Worldbuilding about what item(s) a time traveller should take back in time in order to alter past events or even simply to survive. There has never as far as I know been ...
9
votes
4answers
1k views

Ways other than sleep to restore cells/neurons

So I have a planet with multiple species on it. My planet is tidally locked. I know it is generally thought a tidally locked planet couldn't harbor life because of the extreme temperatures, but my ...
-4
votes
1answer
82 views

What do you think about pulsed ntr as a low end torch drive [closed]

Can pulsed ntr be a good torch drive. Atomic rocket says that with some development it can be a low end torch ship. Suppose extraction of hot fission fragment is possible and and also better cooling ...

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