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Questions tagged [reality-check]

Asks if a given concept is realistic in a given context. Answers should say yes or no, with supporting info. Compare this with the science-based and hard-science tags. This tag should never be the only tag on a question, because this tag frames how a question should be answered, not the topic.

5
votes
1answer
72 views

How long would an array of mass drivers take to terraform Mars by transporting CO2 from Venus?

So I've always assumed Mars never had enough available CO2 on-site for terraforming, something that new research seems to have confirmed. But my ideas have always relied on getting CO2 from alternate ...
5
votes
2answers
120 views

How plausible is a civilization, or life, that perceives time in reverse?

Humanity, with modern science, has established that the Big Bang happened 13.8 billion years ago. The universe appeared in a low-entropy state, and for billions of years has been expanding and moving ...
2
votes
6answers
140 views

Would planting trees across an earth-like planet to reduce the CO2 and produce O2, be enough to keep it in balance?

An IPCC report of Oct 8, 2018 indicates - to keep the world temperature rise at or below 1.5 C, we need to reduce our CO2 emissions globally from the 2010 level by 45% by 2030, and a further 55% ...
1
vote
2answers
95 views

Could university accept a child without any formal education? [on hold]

My story revolves about a life of a girl that is profoundly gifted even among a family of profoundly gifted. Her father founded a multi-billion dollar company focused on IT security and cryptography ...
4
votes
4answers
1k views

Could an industrial and a post-industrial civilization exist at the same time?

One of the big issues I have run into while building the story I'm currently working on, is the fact that their are multiple nations that exist in an industrial state, while others are far past this ...
1
vote
1answer
54 views

Understanding Climate [on hold]

So climate is a pretty confusing subject, I've been searching for a very generalized map of climates. I wanna post it hear for some questions regarding this map http://www.geocurrents.info/place/...
8
votes
15answers
5k views

Is a world with infinite resources possible? [on hold]

In my current fictional fantasy-ish endeavor, I have a world with a great war. This war is vast and encompasses all of the known land. Due to magical means, soldiers for the war are 'summoned' from ...
3
votes
3answers
133 views

Could an extremely highly evolved society still live in peace with nature? [on hold]

As I've been developing my stories, one major point that has remained constant is the state of the major international powers. One such powerful nation, sahats, is an extremely advanced society. They ...
21
votes
12answers
4k views

How to prevent electronic advancement beyond the early cold war era?

Here are what I wants in my world: Early generation of computer with a bulky size and very limited capability, like the text-based computer in Fallout universe. Limited guidance and detection system. ...
-1
votes
0answers
63 views

Parallel universes and a being that experience time in reverse, can they exist together? [on hold]

The multiverse keeps on making new parallel realities based on any action/ phenomena that isn't certain, resulting in an infinite amount of universes that keeps on increasing as time goes on. But, ...
4
votes
7answers
265 views

How likely is it that an interplanetary empire could exist in the future?

I'm building a world with an interplanetary empire (with an emperor as head-of-state), but I wonder how realistic it is for one to even exist. An empire, according to Google, is defined as: an ...
0
votes
3answers
122 views

Can a teleporter kill by teleporting saliva into the target's brain [closed]

What about pieces of hair, phlegm, mucus, sweat, I want the teleporter to limit his powers only to his body. Even something as ridiculous like tears and faeces. I will even extend it to the food and ...
2
votes
4answers
113 views

Can I make the carbon cycle shorter - by metamorphosis from plant to animal and vice-versa

EDITED to address the above suggestion. See below. Most animals breathe in oxygen and breathe out carbon-dioxide. Most plants take in carbon-dioxide and release oxygen. Waste products from animals ...
3
votes
6answers
450 views

Can one individual be used to repopulate an entire species?

An evil scientist has engineered a plague that would kill anyone with an xy chromosome pair. This plague has systemicatically spread throughout the planet, killing all males within the population. All ...
6
votes
5answers
181 views

How can my dragons use their tongues to control their fire breathing?

Some background you may or may not skip I was daydreaming the other day about how tamed dragons whose magic was somehow harnessed as an energy source by humans could be used as a metaphor for nuclear ...
8
votes
2answers
308 views

Could an alien evolve to speak through its anus?

Humans can speak making precise movements of our tongues, teeth and vocal chords. I want a sentient creature whose carnivorous mouth-parts are completely unsuitable for speech to be able to ...
6
votes
2answers
183 views

How long would a flat Earth last?

As we all know the Earth is flat. Once upon a time a group of explorers set off with the idea of proving that the world was round and that there was a route to the spice islands the other way, but the ...
4
votes
1answer
62 views

Visual Cortex, superficial Brain Implant - Biological feasibility

In another question Everybody has a brain implant. What measures can a criminal take to escape justice? I assumed that a brain implant would be possible in the future for surveillance. In this ...
2
votes
2answers
137 views

Creating a scientist-only country in our world [closed]

Wanting to innovate humanity, a multi-billionaire decided to start a new country. He was able to convince a country in Europe to sell a large portion of their land to him. He then constructed ...
0
votes
3answers
219 views

Zombie infection is worse than imagined: how can humanity survive? [on hold]

This plague takes some of the worst from every zombie movie you might have seen and puts it together. It's airborne and can survive for a week in the air, and it is transmitted to humans through all ...
25
votes
7answers
5k views

Is intraspecies genetic incompatibility possible?

I'm creating a humanoid species, roughly based on humans. The difference is that not every opposite sex couple of fertile age could produce offspring. The premise of my story is based of some men ...
41
votes
5answers
6k views

Could you do acrobatics and long-distance running in an ankle-length dress?

So this should probably belong on clothes.stackexchange.com, if there were such a thing, but here I am with a question that I hope is not too complicated or specific for this site. My situation: I've ...
6
votes
7answers
332 views

Would this scheme be profitable?

In the not so distant 2040s the world is heading towards a devastating energy crisis, climate change is slowly beginning to take its toll, and unemployment is on the rise globally. But one corporation ...
8
votes
7answers
364 views

Technologically advanced civilization still using melee armor and weapons

Similar idea to this post, why would an advanced civilization able to create AI/ droids ranging from 'hardshell' (I-Robot (movie) or C3P0) to 'soft' (Bishop (Aliens)) still have use for melee combat, ...
3
votes
3answers
152 views

Best natural armor possible for a fantasy humanoid

In my fantasy world a scholar magician creates a sub-specie of warriors with an optimal natural armor against medieval technology weapons. What would it be like? How can I make it as flexible as a ...
-1
votes
1answer
90 views

What are the side effects to an ability that let's you experience the senses from a memory? [closed]

The ability gives you a photographic memory and let's you perfectly recall any event in his life, and experience all the senses (touch, vision, smell, etc.) from a memory by firing the nerves or ...
8
votes
1answer
175 views

How can professional leagues implement gene enchancement into sports while keeping a balance among athletes?

The year is 2050, and genetic enchancement is now commonplace in society. People can currently opt to improve their bodies through the form of gene packages. These are geared towards increasing ...
11
votes
18answers
3k views

A huge transparent wall permanently separates two civilisations - what can it be made of?

I'd like two medieval societies to be separated from one another by a huge vertical wall. The wall is so high that no-one has succeeded in shooting an arrow (or anything else) over it. It disappears ...
1
vote
0answers
68 views

Creating a world run by corporations [closed]

Recently, CDPR Projekt Red released a trailer featuring a dystopian cyberpunk world more or less run by corporations. To give an example, the most powerful (and expensive) medical services group will ...
17
votes
7answers
6k views

Is a solar system around a black hole possible?

Is it possible for there to be a "solar system" of sorts with a black hole and a few suns orbiting around it? Could that system be stable and (if so) would it be possible for some civilization(s) to ...
2
votes
3answers
203 views

A Wider Range of Human Skin Color — But Would The Transition Between Shades Be Natural? [closed]

Long ago, it was thought that the peoples of Europe developed white skin as a means of adapting to the low-level lighting of ice age Europe (an assumption that disregarded why the people of Asia don't ...
11
votes
9answers
385 views

Standardized building materials across a Roman style empire

I am working on an empire that exists in my world. I want to know if it makes sense for said empire to standardize the materials they use for construction across the empire. In the heart of the ...
7
votes
4answers
259 views

Anatomically correct Panotti

Panotti so called from the Greek words πᾶν and οὖς for "all ears", were a mythical race of people, described as possessing large ears that covered their entire bodies. In the Natural History, Pliny ...
19
votes
6answers
5k views

Can mountains ever transition abruptly to plains?

I'm trying to write a story where the main characters discover the wreckage of a spaceship in the fields that border their town to the west. To the east, there's the end of a large mountain range. ...
28
votes
7answers
11k views

Is it possible to perform surgery on your own spine? [closed]

My character has to perform surgery on herself and by herself. She has all the surgery tools and a screen to watch what she is doing. She is in a clean stable environment and there is no risk of ...
0
votes
1answer
125 views

How can I create a book made entirely of human skin? [duplicate]

I am Darth obamaresh, darkest lord in the history of darklords. After a lifetime of wickedness and evil deeds, I have decided to preserve my evil discovered spells in a tome. This book is 666 pages ...
4
votes
3answers
114 views

What reason would explain having to store a asteroid inside of a ship [closed]

The Dysnomia is a top of the line mining ship built by the Helix corporation. Dysnomia mines asteroids and comets by finding and capturing them and then storing them inside her massive cargo hold. ...
6
votes
3answers
516 views

Why would unicorns only let virgins ride them, and bicorns refuse to let virgins ride them? [closed]

How to explain the fact that unicorns only let virgins ride them? Why does the unicorn even care if the rider is a virgin or not? And why do bicorns do exactly the opposite? Bicorns won't let ...
7
votes
5answers
226 views

Is this sudden global cooling scenario plausible?

In the year 2071 the Dysnomia incident happened. The Dysnomia (a mining ship) suffered a catastrophic failure and violently exploded sending its payload, an aged comet, hurtling towards earth. The ...
4
votes
2answers
79 views

Planet Blob - variable gravity

On the planet Blob there is an unusual phenomenon. It is known to emanate from the planet's core but 2018-level scientists have no understanding of it. The phenomenon Gravity isn't constant. It ...
1
vote
4answers
239 views

Could cord-cut be a real martial arts technique?

This is a technique from the anime Baki the grappler, which can be checked here. The "Cord-Cut" name refers to the countless "cords" that makes human body. The cords includes blood vessels, lymph ...
9
votes
6answers
246 views

How could an agricultural revolution develop in medieval societies inhabiting a tropical environment work?

I'm trying to work on a chapter in my lore but I'm stumped on how agricultural developments could work in tropical settings, and real world examples so far mostly include temperate places, I.e. ...
0
votes
2answers
118 views

What is the most pratical/feasible method to replace the human digestion apparatus?

Objective: Replace the human digestion apparatus (stomach, guts etc) From my basic understanding the human body needs food, because it needs ATP (energy unit, some kind of sugar(?)) or you could say ...
22
votes
15answers
4k views

Rain powered transport

Rain-powered transport The plain of Soggi experiences a constant rainfall. Can a rain powered vehicle be built according to the following conditions? The plain of Soggi experiences a constant ...
-2
votes
1answer
115 views

Seeing only in IR: Is my hypothesis correct? [closed]

I watched Kyle's Because Science video on The Predator and 1 thing he talked about was IR vision. Here was his argument: If you can see nothing but infrared light, you can only see the ambient ...
11
votes
2answers
292 views

Weather in a 5 mile deep crater

I’ve done a fair bit of research to come up with this scenario. I hope it’s not “too broad” to ask for a reality check. Have I overlooked anything? Does it all sound plausible? My world takes place ...
6
votes
3answers
415 views

Why would a creature be immune to heavy metals?

I need a creature that can survive in environments with elements like lead and mercury in many nutrition sources, and in some places making up part of the atmosphere. I was thinking maybe it could ...
25
votes
17answers
5k views

How can I encourage responsible business practices among necromancers?

I am DONNA TRUMPET, the first female President of the United states reborn, and one of the greatest leaders in world history. I have managed to recently pass the 103rd amendment to our Constitution ...
9
votes
4answers
322 views

Anatomically correct Sea Boar

Wild boars are well known for their large, bulky body, their aggressivity and their tusks. They are animals from which a predator would gladly stay away if some easier prey is available. And, last ...
3
votes
2answers
97 views

Moons changing their rotational periods

There is a planetary system with a big planet and two moons, Luna and Laltre orbiting around it. Luna has a pretty similar orbiting (1 earth-day) and rotating period (slightly less than 1 earth-day). ...