Questions tagged [science]

Questions about science and the perception of science in a fictional world. Use [science-based] for questions on how to explain fictional things based on real-world science. Use tags relating to specific fields (such as for example [space-exploration], [astronomy], [biology], [xenobiology], [mathematics], [sociology], ...) for questions relating to particular fields of science.

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5
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9answers
4k views

Would using carbon dioxide as fuel work to reduce the greenhouse effect?

I'm trying to find a plausible way to reduce global warming in a world past the tipping point. I recently read this article : https://www.sciencedaily.com/releases/2017/11/171127173225.htm. It ...
2
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4answers
179 views

Helping the Roman Empire with chemistry and metallurgy [on hold]

You are a modern chemist and metallurgist and unexpectedly get sent back in time to the era of Caesar Octavius Augustus. After spending a couple years learning ancient Latin, what changes or ...
2
votes
2answers
98 views

Is it possible for theoretical particles such as tachyons to interact and/or bond with normal matter

I understand that particles such as tachyons don't really exist and are unlikely, but say for the sake of this question they do. Would these particles bond or interact with atoms? By interactions I ...
-1
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1answer
115 views

what method for nanobot to control human body without affecting the brain? [closed]

i mean controling the external body like limb and such without internally going into human brain or mindcontrol using nanobot, or going inside human skin or nerve (contact with skin is fine but not ...
0
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0answers
53 views

Colonized planet… removing some citizens [closed]

Let's suppose that there's this new planet that has been mostly colonized with just the right number of people. Every now and again they chose to remove a few members from the colonized part of the ...
1
vote
0answers
85 views

Can a system of 10 planets be stable if star is not on the main sequence?

My star is 2.17 Solar masses. For narrative purposes, I decided this so it will collapse in the theoretical Quark star. Could such a big star that isn't on the main sequence (Because its an A type, ...
0
votes
1answer
178 views

What is left in physics for a scientist in the Star Wars galaxy to study? [closed]

I know this question may be considered too broad, but I legitimately wonder what physics science; scientists are working on in Star Wars. Many many people have said that there is no scientific ...
-2
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2answers
107 views

Extreme Adaptation

I'm writing a novel, and it has a lot to do with genetic experimentation. One of my characters has the ability of Reactive Evolution. But I have no idea how to scientifically explain that. How is ...
3
votes
0answers
64 views

Useable life span of different types of plastic and polymer [closed]

OK folks - here's one for you petrochemical types: World is set 200 years post an apocalypse that wipes the global population back to about 280 million (the population of the world circa 1000AD). ...
-2
votes
1answer
201 views

What is the opposite of lightning? [closed]

I want to know what is the opposite of lightning. To give you some background, it has to be something that makes up a large aspect of the universe and cannot be anything in this list: space, time, ...
1
vote
0answers
51 views

What would be day to day life like, for people during a renaissance like period in a world I'm building [closed]

Like I said, what would people eat, what would they drink, how'd they spend their time. I realise this isn't really a hypothetical question, rather a question that requires some information from an ...
1
vote
0answers
71 views

what effect if the world have a single massive world giant tree? [closed]

you know stuff like ygdrasil tree but just a normal tree but the biggest and tallest in the world, i wonder what the effect to the world ? for an example if the root grow to surpass the continental ...
20
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5answers
3k views

How would a physicist explain this starship engine?

In my world, interstellar vessels use a drive whose design mankind learned from an extinct elder civilization. While construction of the drives is possible, the physical principles making them work ...
11
votes
4answers
2k views

If quadruped mammals evolve to become bipedal will their breast or nipple change position?

As the title says, you know stuff like minotaur, lycanth or werewolf, cat or dog folk, etc especially for the female specimens. I want to know what happen if quadrupedal mammals which usually have ...
2
votes
1answer
110 views

Quaternionic electro-magnetism, world that it can exist in, and the appropriate equation system [closed]

The thing could not exist in real world; it is imaginary concept, expressed in a equations in a paper, that could run as a simulation on a PC. That could be interesting for people with some ...
-7
votes
1answer
126 views

Insterstellar Psycho - What damage can he do? [closed]

The Interstellar Psycho just wants to cause damage to others. He regularly shoots intense laser bursts in all directions into space from his base on Earth's Moon. He sends one every hour. Question ...
2
votes
3answers
99 views

Is it possible to dissolve copper piping with an acidic or alkaline solution? [closed]

A character of mine needs to cover up a murder inside an apartment without removing the body. The best solution I've come up with for this is faking a broken pipe that appears naturally eroded over ...
3
votes
2answers
302 views

How much land disappearing would it take to drop the sea level by 10 meters (30ft)?

THINK ATLANTIS There's an island. Maybe it is a continent, maybe not. I am not sure and that is why I need your help. If the size of my world is equal to Earth's, what landmass size would it take ...
36
votes
6answers
11k views

Why did Europeans not widely domesticate foxes?

So I've been thinking for a while about making a world where cats aren't as common and instead are more of a regional domesticated animal, replaced in (mostly Northwestern) Europe by foxes. How come ...
3
votes
3answers
158 views

What might be the nature of interstellar warfare given access to instant communication and Alcubierre drive technology? [closed]

The title really speaks for itself. Given what we know about Alcubierre drives (and yes, I know they're extremely hypothetical, but for this question let's just assume they can exist as we currently ...
23
votes
18answers
8k views

Can an alien society believe that their star system is the universe?

Throughout history, humanity has made a few scientific blunders where a scientific principle held as fact for hundreds of even thousands of years is found to be completely or mostly false. Our ...
3
votes
1answer
230 views

Can you forge iron from oxide dust?

I've been looking over the internet and on here to find some kind of evidence for this, but nothing conclusive, so I was hoping for people with a better understanding of smelting, chemistry and ...
23
votes
11answers
4k views

How can I define good in a religion that claims no moral authority?

Faith is defined as a belief in God based on spiritual apprehension rather than proof. Religion and science can be seen to oppose one another due to conflicts between people of those practices. In my ...
12
votes
12answers
5k views

Is it possible to make sharp wind that can cut stuff from afar?

You know the typical wind slash in anime or games where the swordsman slashes from afar either vertically or horizontally and the wind pressure or projectile cut the opponent, like in this image for ...
9
votes
7answers
4k views

Is there really no realistic way for a skeleton monster to move around without magic?

One of the solutions I think is making the muscle go inside the bone, something look like an exoskeleton creature. either mechanical or organic making the artificial muscle developed inside the marrow,...
9
votes
7answers
2k views

Is it logically or scientifically possible to artificially send energy to the body?

Is it possible to use a power plant-like machine to create small amounts of electrical (or other) energy directly inside the human body, making it such that the human has energy for activity without ...
6
votes
3answers
340 views

Which edge shape is better to cut things with for a chain sword type/style?

To help you get the idea of what I mean, here is an example of the edge. Imagine the edge can move like a chain sword or chain saw, so don't take it too literally. Don't consider the entire sword ...
2
votes
4answers
505 views

Can titanium chain mail stop a bullet?

Can a titanium chain mail stop a bullet? How thick the chains would need to be? Or a titanium plate would be more efficient? How thick the plate should be? Of course, against normal weapons, like ...
0
votes
1answer
87 views

How much colder would that asteroid make my planet?

I've seen some posts here (for example this one) for the effects of certain sizes of impactors, but I'm not finding any definite answer and all my google and google scholar searches have not turned up ...
4
votes
4answers
571 views

A world without atoms? [closed]

Well, not exactly: the world is still made of atoms, like (we think) our world is. But for some reason, there was no Democritus or Leukipo in this world, and, on the contrary, the mainstream ...
26
votes
11answers
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 ...
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 ...
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 ...
4
votes
2answers
504 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 ...
3
votes
1answer
106 views

How can I turn diamond into graphene?

The goverment of Africa decided that it would no longer tolerate the diamond mafia, so the corporation of DeBeers was hunted down and disbanded, to put it lightly. Now, all the diamond mines have been ...
23
votes
4answers
5k views

What happens when two flames meet from opposite sides?

What happens when two flames (whether from dragons or blowtorches) meet head on? Many films make it appears as a front where the two flames repel each other, but my intuition is that, in fact, the two ...
1
vote
1answer
208 views

Is it possible to divert a 1km Asteroid from Earth?

I am writing a scenario for a game that I am a fan of. It involves an asteroid heading for impact with the Earth in 2027. This asteroid's initial diameter is about 1km, but it is slowly disintegrating ...
6
votes
4answers
830 views

Potential system to system travel?

So one of the ideas I've come up with for system to system travel, in the early colony stage of my world, is using fuel boosters to start the journey and then to reach the required speed for the ...
2
votes
4answers
207 views

How can a wealthy and enlightened minority manage to create colonies on Mars and cheapen space mining in a world of mysticism?

Key setting elements and questions: In this scenario, A large majority of the population: Supports spending more money on religion than on the space colonization program. They are middle class: ...
5
votes
4answers
237 views

Emergency Spacesuits

I know a similar question was asked whether gas masks could be used to survive in space but it didn't quite focus on the parts I'm interested in. I'm building a world in which space travel is regular ...
0
votes
3answers
139 views

Can you tell me which are the things or the group of the things that the character of my story can use to paralyze his elder brother? [closed]

I am writing a fiction story. In that story, a man paralyzes his elder brother by lacing one of his food items, for example, milk or any other thing which he eats with a "thing" or a group of the "...
1
vote
1answer
113 views

Could humans wreck the world enough to tilt its axis? [duplicate]

Some Context My story idea is in the likes of Pacific Rim. If you didn't watch it, it's about a crack in the sea that spawns giant monsters called Kaiju, who really like to chew on buildings. ...
29
votes
21answers
12k views

How to make a metal with extraordinary property worthless?

In a RPG scenario, players will look for a MacGuffin Metal (aka MGM.), experiencing the farwest gold fever. Short Story: Context : Farwest(~1880), steam punk. First encounter : In a 3-5 minutes ...
6
votes
1answer
222 views

How would endo-skeletal systems adapt to the atmospheric pressures given?

Surface gravity: 1G Info regarding of altitude, pressure, and atmospheric density: ...
34
votes
4answers
5k views

The Heisenberg Uncertainty Ray - A Hyper-Scanning Doomsday Weapon

From what I know about the Heisenberg Uncertainty Principle, one of its consequences is that when you learn a great deal about the position of a particle, you greatly increase the uncertainty of the ...
10
votes
3answers
375 views

How could these giant animals travel oversea?

I've got these 2 giant apes like creatures who are too heavy to go on the ship to be taken to another continent. What are some ways that they could possibly get across the sea? This is a medieval epic ...
6
votes
3answers
480 views

Potential adaptions / features for life adapted to the level of atmospheric pressure given?

Atmospheric composition: | 2% Trace gases | 58% Nitrogen | 26% Oxygen | 11% Argon | 3% Carbon dioxide | Average surface temperature: 36 degrees Celsius Surface gravity: 1.36x Earth gravity ...
1
vote
4answers
143 views

Moon take off without rockets

Take-off in a craft with rockets allows a gentle acceleration that doesn't kill the occupants. Given that the Moon has no atmosphere: Is there any current technology that would allow safe takeoff ...
17
votes
17answers
6k views

Swimming in space. What is the mechanism?

A large (compared to Earth life) species of creatures live in space. They gain energy from interstellar dust and starlight. How they do this is a separate question so not relevant here. However they ...
4
votes
1answer
138 views

Lost in space with chocolate

A huge trading craft with a mixed crew of 100 has lost its main motor and communication systems in a collision and is on a heading to nowhere. They are adrift in an infinite ocean with no-one to help. ...