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.

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2
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5answers
154 views

Could a bug sting induce a human body to explode?

The setup is similar to a funny horror movie or like Troma movies. Deaths only happen to insignificant, unnamed characters. However, I would like to have some plausible science back-up (maybe slightly ...
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4answers
161 views

Plausibility of Materials Lasting Millions of Years

I've seen a lot of articles and even questions here which talk about how long modern human artifacts will last. Mostly it seems to boil down to modern materials not having great longevity, though ...
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1answer
84 views

Oasis ecosytem contained within the corpse of a long dead megafauna?

I am working on a world where giant tortoise-like animals wiped out the majority of the planet's ecosystem. The planet has on large continent near the equator that once was covered in lush rainforests....
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1answer
113 views

Is There Any Possible Way A Semi-Tropical Island Could Exist South of New Zealand?

I'm writing a story where a group of explorers discover a semi-tropical island just south of New Zealand. I know for instance that oceanic currents and geography have lead to some areas of the world ...
6
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2answers
180 views

Effect of a destroyed orbital ring falling down on the planet [duplicate]

I'm working on a story where an orbital ring situated in LEO above the equator of an earth-like planet is destroyed which is a calamity for the species that used it. The ring is essential for them and ...
2
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3answers
71 views

How to alter geological landforms on Earth

I want to use Earth for my setting, but also want to alter its continents and tectonic plates to look more fantastical than before. If an ancient alien terraforming fleet arrived and was able to ...
12
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17answers
4k views

Allow interstellar travel but not intergalactic travel

I would like a technology which makes interstellar travel possible but not intergalactic travel. I came up with a rift field which compresses space-time proportional to the field density. This rift ...
4
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2answers
90 views

Reality check: A fire in a giant cave with two entrances. Where do the byproducts go?

There is an underground city in a multi-level cave with two entrances; it is otherwise enclosed. It's shaped more or less like an inverted pyramid, getting narrower with increasing depth. A fire ...
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10answers
2k views

Can a mountain range form with a very loose surface?

In my story there is a mountain range which is almost impossible to climb because it is very steep, and it has a very, very loose surface. Wherever you put your foot, the ground is liable to slip away ...
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3answers
135 views

Can a modern company effectively take ownership of Beethoven's 10th symphony? [closed]

Let's say someone discovered a collection of dusty papers in the attic of a tavern that Ludwig van Beethoven stayed at in the late 1820s. It is a complete manuscript of the supposedly unfinished Tenth ...
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0answers
37 views

Life und a Double Planet System [closed]

i am currently working on a CG Short for my Portfolio. It takes place in a Binary system and just tells the Story of a Pilot on one of the Planets. Anyways, my question for today is how we could ...
10
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5answers
229 views

Underground fight club realism

My story revolves around illegal fight club, one where opponents get serious and fights sometimes end in fatality. There is one problem though, I want to make more or less inclusive and appealing to ...
10
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3answers
768 views

Seeing air trapped under ice while underwater [closed]

A scene am writing takes place in Summer in the Artic. The character is swimming underwater, under the ice (imagine a small iceberg). Above her a large bubble of air has formed. Never mind what formed ...
7
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6answers
1k views

Is this celestial body of noticeable uneven density possible and what would be its shape?

Disclaimer I am not sure whether this question belongs here or in the Physics SE but I'm posting here due to the fictionnal aspect of the celestial body. Context I'm writing a story where humans ...
9
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8answers
2k views

Zodiac eugenics

Imagine a world slightly more developed then ours. For example internal combustion engines are becoming obsolete, they have fuel cells and electric cars. They also started using genetic engineering to ...
0
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1answer
88 views

Assuming the wing is strong enough to handle the forces, would allocating wing area towards the tip of a creature's wings help with flapping flight?

When it comes to pushing against fluids (such as water and air) you gotta get speed, demon speed! Speed is what we need! We need greasy-fast speed! It's rather apparent that slow-moving objects tend ...
9
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9answers
1k views

How to protect a organization from mindcontroling vampire

How would an organization protect sensitive information from mind-controlled spies? An organization (call it the Illuminati if you want) is hunting down a vampire. The vampire is capable of ...
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2answers
166 views

Living on a planet years before a supernova

A planet is orbiting an old star that is on the verge of going supernova. The planet is colonized, so there's no need to worry about the habitability of the planet or evolution of life during the ...
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0answers
18 views

Floating Islands and gas giant earth? Is my world scientifically plausible? [duplicate]

Ok, so what I'm doing is a Steampunk/Victorian Era story, set in Floating Islands in the sky. . . sort of. Eons ago Earth and moon collide as well as a rather large dense comet. Huge island sized ...
5
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3answers
149 views

AGII Virus broke out, how does world surrive?

I am planning to start a post apocalypse centered web comic, however apocalypse is more social in nature, i.e no zombies or nukes for you. In near future AGII (Acute Gerontophobia Inducing Infection, ...
21
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13answers
3k views

What reason would an extraterrestrial civilization have to adopt Earth's time measurement units?

I'm developing a game that mostly takes place in a universe different from Earth's. In fact, the game has many other universes as well, each with different date/time systems (as opposed to Earth's ...
3
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2answers
65 views

Habitable low mass super earth and its habitable high mass moon feasability

So, I've got a fantasy world where there is a super-earth with Earth-like gravity (aim is approximately half-again the diameter of Earth) that is the homeworld of non-native humans(introduced to the ...
7
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3answers
255 views

Orwellian society that tricks people into thinking past was worse than it was [closed]

I am building a society where people believe that the past (or today's present) was much worse than it actually was. Freedom = slavery, truth = lies, science = correlation, and so on. One of the ways ...
6
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8answers
773 views

Running a nuclear power plant in the post-apocalypse: is it possible?

So, the apocalypse has occurred, and for about 150 years humanity spent its time wallowing in misery, sorrow, and so on. So moving on, in the northwest of Nevada there’s an abandoned nuclear reactor, ...
2
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2answers
165 views

Screamers: Are they possible?

I have a species of humanoid based mutants called Screamers. Screamers are supposed to be genetically engineered humans. They are modified to have the strength of a male silverback gorilla, and an ...
39
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9answers
6k views

How realistic is a genetic memory?

Many pieces of popculture (like assassins creed or the aboleths in dungeons and dragons) use the concept of a genetic memory. How realistic is this concept? In particular, I am interested in ...
9
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14answers
2k views

What materials could create a translucent tower?

I’m building a D&D world for a game, and one of the major details I really want to include in this world is the Evil Mage and their tower. The tower is a light blue, 3 stories tall, intricately ...
10
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7answers
853 views

Would it be possible for Tsar to escape execution and form a great power elsewhere?

I was imagining the scenario for a story where the USSR still forms and will later fight in a Cold War with the USA. However, I am imagining a scenario where the tsar escapes, goes with some loyal ...
24
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5answers
3k views

What are the physical effects of a person living their entire life underground, and how would it affect them if they ever came up?

In my world, a group of high-ranking politicians and military officials (along with their families and a few skilled engineers) realized that WW3 was imminent, and decided to bunker-down, big time: ...
22
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11answers
5k views

How hard would it be to find something in the void between solar systems? [closed]

So, assume that there's a superstructure roughly the size of Pluto (~1,475 miles in diameter is the figure I found) that an organization doesn't want to be easy to find. Hiding it in the void between ...
3
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1answer
77 views

How would a K3 civilization collect the majority of the universes available mass in the form of Intracluster gas?

My story at its final stages is based around K3 civilizations whose technologies are within the known laws of physics and for plot reasons have managed to control all superclusters and lone galaxies ...
6
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5answers
445 views

Is it plausible for a world without fossil fuels to have developed naturally?

So the idea of worlds like this has been brought up a few times, about how human technology would have developed without fossil fuels, but the question I have is whether it is plausible for a world ...
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0answers
51 views

Anatomically Correct Great Maccao [closed]

so this is a Great Maccao from Monster Hunter: Generation a feathered raptor like creature that can stand on its tail, carrying its whole body up in the air for sometimes I heard kangaroo can do that,...
7
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4answers
288 views

How practical is a helical/spiral elevator? (Eg. Metro, Metro Exodus)

So I've finally found something that has brought me to this rabbit hole of worldbuilding. I've been doing some future planning for an expansive subterranean facility that would require heavy cargo ...
7
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3answers
183 views

Shaped Wind Charges

I have a character that can create compressed air spheres. If you were to create just a normal sphere of compressed air, it would expand in all directions equally at a speed and force that would ...
7
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2answers
159 views

Would harpoons help in hunting large land animals?

Harpoons are cool, but as far as I know in the real world they've only been used in hunting marine animals so they don't float or sink away. Stone age hunters managed to hunt down mammoths using only ...
5
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4answers
149 views

What Might Cause Massive Landfall Of Dead Marine Creatures?

There is a stretch of coast in my world, fairly typical mudflats and beach (a bit smaller than the Wadden Sea). It is often called the Dead Shore because year round the place is littered with the ...
1
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0answers
86 views

Anatomically Correct Haggis

The Myth and Mystery of Scotland’s Wild Haggis The creature is said to be the source of the iconic Scottish dish. BY ANNE EWBANK JANUARY 15,* 2019 ... Legend surrounds the wild haggis. According to ...
5
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2answers
135 views

“AC” compressed air?

So, compressed air power is a Thing. Compressed air tools are reasonably common, and compressed air has even been delivered commercially as an industrial utility at times. But all existing compressed-...
9
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9answers
2k views

Theoretically could a powerful telekinetic person start a vehicle without keys?

The telekinetic in question seems to have fantastic line of sight telekinesis and even great out of sight telekinesis being able to even manage "having a sense of feeling" to said things ...
6
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3answers
853 views

Jobs/tasks needed to maintain an underground society indefinitely?

When a nuclear firestorm engulfed the world in 2029, those who caused it, the politicians, military officials, along with some scientists and engineers, retreated deep into a large, underground bunker....
5
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3answers
174 views

Ice moons and giants? That close to the sun?

As a world builder I like to make solar systems and sometimes when I see an interesting idea I can’t help but wonder could that actually work that way? For an interesting example here is a clip from ...
5
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2answers
251 views

Implications of early lens development

My culture had access to quality materials (lead oxide) for glass creation, high-enough grit materials for polishing glass, a basic understanding of magnification and mirrors, and about Kepler-level ...
11
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3answers
2k views

Can my vampires evolve black sclera?

I’m in the process of making my own original series where I have all types of biologically feasible cryptids and monsters in it. In this series, I’m planning on having vampires being a species that ...
26
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3answers
5k views

An island world where potatoes are the only land vegetation - can it support human life?

NOTE I have re-edited the title to make it clearer. I have also added some detail in the paragraphs below that does not invalidate any of the existing answers. Let us suppose that a group of humans ...
5
votes
1answer
127 views

Anatomical Review: Would the way I designed this semi arboreal Imp be biologically feasible?

Hello and thank you for taking the time to give me some advice or help. (Going back and reviewing I now realize I typed a lot) To briefly summarize what kind of creature I have designed, I took a shot ...
0
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1answer
94 views

Shipping Ganymede to Venus [duplicate]

So assume someone wants to terraform Venus. And for extra points the decide to get her a moon too. So, how could you get Ganymede to Venus with as little effort as possible but also as fast as it can ...
10
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3answers
2k views

Basing a civilization on maize, beans, and squash as staple foods?

In my world, an apocalypse happened, a nuclear war. Fast forward to the future. In places like Vegas, New Fresno, and Lost Angels (post-apoc LA) I was thinking about agriculture, and after doing a ...
1
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5answers
138 views

Could my island, its inhabitants, and its tunnels exist? If so, how? If not, how could I tweak it to make it so?

My island is on Earth. It is my intention that it was a part of a larger landmass at some point during ancient history, so not as early as Pangaea. That’s important because the island’s inhabitants ...
1
vote
2answers
105 views

Is it possible for primitive tribe of humans to live most of their lives in system of caves?

I have an idea for a society of humans who have a level of technology similar to that of the North Sentinelese Islanders: borderline stone age with maybe some ability to use metal. The population can ...

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