All Questions

8
votes
4answers
1k views

What are some of the expected properties of metallic glasses and some steps to create them? (semi-ELI5)

I'm currently bouncing around ideas for a sci-fi / cyberpunk world and one of the major technologies in this universe is the manufacture and usage of metallic glass. I don't want to handwave too much ...
24
votes
12answers
7k views

Can an escape pod land on Earth from orbit and not be immediately detected?

I'm writing a soft scifi novel that has its fair share "fi" but every now and then I feel it important to acknowledge some "sci." In this scenario, a spaceship is in orbit and about to land on ...
-1
votes
0answers
57 views

A widespread epidemic occurs that only allows our reptilian brain to function, would society collapse? [on hold]

Writing a story where a rogue cybernetics company hacks our minds via AR contact lenses and causes mass hysteria. If they were able to hack people down to their reptilian brains only, what would be ...
5
votes
6answers
397 views

Is plausible to have subspecies with & without separate sexes?

I'm creating humanoid specie with two subspecies Hairy races - roughly based on humans, chiss, mirialans, with standard males & females sexes Tentacle races- roughly based on asari, twilek, ...
20
votes
19answers
10k views

How can religions without a hell discourage evil-doing?

God in this verse is similar to a super-computer, a very large power source that continuously feeds on human souls to sustain itself. All human souls come from God, and remain connected to it through ...
0
votes
2answers
106 views

What animals would be most suited to a tidally-locked world? [on hold]

Are there any species that would be able to sustain themselves on the sunlit face of the planet, the habitable Terminator-zone or even the freezing icy side of the planet? How would animals adapt to ...
-7
votes
1answer
96 views

Can we move markets away from single use plastic containers? [closed]

My thoughts are glass containers are best for the environment, however too heavy and fragile to be economically accepted. Therefore if plastic bottles are globally known to harm the environment, what ...
25
votes
27answers
8k views

Is it possible to have battery technology that can't be duplicated?

I'm creating a near future world where one faction is using high energy density batteries that enable their vehicles to outperform gasoline based technology. Like cold and silent aircraft and ...
18
votes
2answers
2k views

What would the consequences be of a high number of solar systems being within close proximity to one another?

What would the consequences be of a high number of solar systems being within close proximity to one another? I'm mainly interested in the consequences for life on multiple planets. When I say 'close ...
-1
votes
1answer
84 views

What would be the best genetic traits for a plausible bodyguard/enforcer? [closed]

I am writing a story centered around a very powerful alchemist whose speciality is genetic manipulation. He is a very hated and wanted man for obvious reasons, but he has one daughter who loves and ...
3
votes
3answers
128 views

Mechanical/Cybernetic Replacement for Eye and Optic Nerve

My character has a prosthetic, or technically you could say a bionic or cybernetic, left eye. For one reason or another, the replacement eye couldn’t be connected directly to the optic nerve. Instead, ...
7
votes
3answers
212 views

Realistic Bacta Tank Fluid

Ever since I watched Star Wars I have always been fascinated with the Bacta Tank: that tank with the funky blue liquid Luke Skywalker was submerged in. But now I'm wondering could it become reality? ...
0
votes
0answers
100 views

How to make gods different from omnipotent being the God [closed]

How do I make gods different from The omnipotent being the God. There are many gods like god of war, death etc but there can be only one God. Should they have different name or something? Because in ...
37
votes
20answers
10k views

Realistic, logical way for men with medieval-era weaponry to compete with much larger and physically stronger foes

I am currently writing/hard-core procrastinating on a fantasy novel that includes a race known as Orthaks. Basically an amended version of Orcs, they range from seven to nine feet tall, weigh between ...
-2
votes
1answer
94 views

What would be the effect on everyday life if a virus broke out and didn't have a cure yet? [closed]

I would like to know what would happen if a new virus broke out that didn't yet have a known cure. Information about the virus: It's spread through bodily fluids There isn't a known cure yet Side ...
8
votes
4answers
2k views

Most valuable information/technology for rebuilding after the apocalypse?

I’m a wealthy billionaire dying of terminal illness. The world I’m currently living in is clearly on the brink of a world ending nuclear war. I predict that the world ends next month. I am putting ...
4
votes
7answers
2k views

Wizard clothing for warm weather [closed]

Wizards in fantasy worlds are very often portrayed in thick robes and hats (and of course long beards and hair for the men). These don't seem very practical for summers or any kind of hot weather (...
16
votes
13answers
6k views

What plausible reason could I give for my FTL drive only working in space

I’ve created a fairly fleshed out, detailed FTL concept. Basically, you have a circular starship, with a ring of tungsten encircling that, held in place by an antigravity ring beneath it. The rim of ...
8
votes
9answers
558 views

How to destroy a galactic level civilization and still leave behind primitive survivors?

Basically, the problem is I want to leave behind isolated pockets of survivors. Also, I want these survivors to be a primitive culture - current real world level - compared to the original ...
5
votes
6answers
256 views

How can I prevent the creation of fruit-salad chimeras?

A Chimera is a creature made up of two different animals that are fused together in a process known as polymerization. This spell can combine animals to create an entirely new animal which contains ...
9
votes
5answers
573 views

How durable are silver inlays on a blade?

Motivation (fictional of course) Fantasy is full of references to silver swords and other weapons thought to make a poor lycanthrope‘s life miserable. Since silver appears to be too soft for blades, ...
3
votes
4answers
249 views

How can I measure the distance between two stars? [on hold]

So I am doing a write-up for a world setting set in our galaxy. I know the distance from Earth to the different stars in Light Years. However I am now trying to figure out how to measure the distance ...
4
votes
2answers
142 views

Realistic nuclear land mine in megaton range

Situation: there is an are of likely attack, something in line of Fulda Gap which looks indefensible in case of serious war, so classical approach would be just a barrage of tactical nukes the value ...
6
votes
1answer
82 views

Could a split cycle intercooled flamelicker have been a viable power source?

Flame lickers work by sucking hot air into a cylinder and then relying on the cooling of the air by the cylinder wall to create a partial vacuum to pull the piston back. see video In an alternate ...
-1
votes
1answer
66 views

What would be a good size for rideable creatures? [closed]

I'm making a world where fish, reptiles, and insects are extremely bigger than their real-world counterparts and I'm trying to find a suitable size that would be easy to make them all (like 70x bigger)...
3
votes
2answers
199 views

Anatomically Correct Ego Sword

I'm reading a comic set in a really unique fantasy game. One of the creatures that really caught my attention were a type of slime/sword called ego sword. In their normal form they're a blob but can ...
5
votes
3answers
138 views

What can I see on the flyers' world?

Planetary conditions: ~0.5x Earth gravity (guess: 0.9x Earth density, 0.777x Earth radius, so about 0.42 Earth masses... but that's probably not important). Atmosphere broadly similar to Earth but ~...
5
votes
3answers
155 views

Elevator on rotating wheel space station

Is there any reason an elevator, moving from the central hub to the outer ring, would not function on a rotating wheel space station with artificial gravity? Any parameter of the radius or rotation ...
68
votes
10answers
9k views

How can powerful telekinesis avoid violating Newton's 3rd Law?

Characters with powerful telekinesis are portrayed as being able to exert a superhuman force using only their minds. For example, they can throw a car. Based on what I remember from high school ...
1
vote
1answer
54 views

How to introduce/fit fantastical elements into a realistic story?(Article/Book recommendations) [closed]

"Follow the characters," this is the advice that I've been following after reading interviews with Stephen King's, Orson Scott Card's and Brandon Sanderson's advice. However, I noticed I have come ...
4
votes
1answer
109 views

How can I spread content from an ancient text without governmental supervision? [closed]

I am a social justice warrior on a crusade against my nation. For decades, I have watched our leaders ruthlessly expand their power under the guise of "protecting democratic interests around the world"...
2
votes
2answers
121 views

What is a required for a creature to be capable of diving into lava lakes? [closed]

So far along the lines of this matter, I've decided that if they were 5'8" and humanoid, composed of something similar to Tungsten, so they don't melt or burn, they would weigh around 3,846lbs/1,744....
8
votes
6answers
818 views

What would prevent chimeras from reproducing with each other?

There exists a polymerization spell that allows distinct animals to combine with each other, creating an entirely new creature. The beasts in question are held in transumutation circles linked by ley ...
-1
votes
1answer
97 views

World underwater: technical viability

I want to put a story in place where a country lived underwater, and I am wondering of its viability. Here is the world description: It is a square of 100 km*100 km on the ocean with the weather and ...
-2
votes
2answers
95 views

One man kidnapping job [closed]

I want person A to kidnap person B with no additional help. They're both women around 20 years old, and both fairly muscular, although person A is stronger. A should kidnap B while B is sleeping in a ...
3
votes
10answers
493 views
+100

Logical justification to wear black leather in the Post-Apot

So, let’s say we have a character like this: Living in a place like this: In many post-apocalyptic media, leather jackets and blue jeans are the main form of attire for characters, even ones living ...
24
votes
11answers
4k views

Why is long-term living in Almost-Earth causing severe health problems? [on hold]

The people of Magical Almost-Earth needed the Chosen One to be brought from our world. Now that the day has been saved, Chosen One would have liked to stay, marry some royal sibling and enjoy life in ...
-2
votes
1answer
107 views

Is there enough space in the US for every US teen go on a 2 week outdoors trip? [closed]

I am writing a piece of fiction that is a collection of short stories based around potential changes to the US Public School system and US policy on restricting access. (Book Title I think, ...
2
votes
0answers
117 views

I'm inventing a new calendar. What are good criteria for the choices of first day, first year, and first hour? [closed]

I'm inventing a new calendar: It will be used worldwide. It uses an intercalary (366th) day to be inserted every 4 years. If extremely successful (unlikely I know), it will replace the Gregorian ...
5
votes
5answers
367 views

How to weaponize gravitational waves

In the future, defensive technology has advanced so much that weapons strong enough to kill an enemy soldier tend to cause unacceptable collateral damage. Sure, we can make a weapon that generates ...
6
votes
1answer
199 views
+100

Vertical cyclones in a rotating space habitat

A common, matter-efficient, science-fiction habitat is a hollow cylinder or ring in space that is spun to simulate the pull of gravity on its interior surface. While for most purposes this artificial ...
9
votes
2answers
169 views

How long would this eclipse last?

For a moon orbiting a gas giant which is in turn orbiting a star, I want to know how long the eclipse would last for an observer standing on the moon when the planet passes between the moon and the ...
14
votes
3answers
225 views
+100

How to calculate the loss of primordial heat for a given age and mass of a planet?

I´m working on a computer program which generates realistic planets for worldbuilding purposes. I´ve run into an issue with calculating my planets heat loss. While radiogenic and tidal heat generation ...
3
votes
6answers
355 views

How could you make banking profitable during the middle ages?

I'm doing a medieval fantasy project and I wanted to include a banking faction. The main issues I've run into are: banks during the middle ages don't seem to be profitable. What factors would allow ...
6
votes
1answer
176 views

How could a foam habitat support animal life?

Knowing foam is formed by trapping pockets of gas in a liquid or solid, what could a foam able to support life on an earth-like planet be made of? This foam ought to be stable enough and large enough ...
6
votes
3answers
185 views

Smallest possible Victorian cogwheel size

In my late-Victorian-based world, mechanical contraptions are incredibly advanced due to the early discovery and quick popularisation of mechanical computation. The science of writing instructions ...
3
votes
2answers
179 views

Flying vehicles powered by superconducting magnets pushing off the Earth's magnetic field [duplicate]

Maglev trains are fun, but who wants to be stuck on a track? Dr. Acme had the brilliant1 idea of ditching the track and simply using the Earth's magnetic field as the base that would repel his ...
1
vote
5answers
174 views

Excavating Doggerland by floating a giant concrete bottomless box/boat, dropping it to the floor and draining. What are the main challenges? [closed]

The sea level was once 100m+ lower, rising to todays levels between 18000 and 5500BC. Recent evidence suggests the area in the North Sea, once landmass we now call Doggerland, was densely populated, ...
3
votes
3answers
195 views

What is the speed limit on nano-construction?

How fast can nanites work Tangential to the above question. This is for a novel about a somewhat near future. The conceit is that very advanced nanites, plus computers that are able to read our minds,...
1
vote
1answer
142 views

How do ghouls reproduce? [closed]

In this world, ghouls are real: undead, zombie-esque creatures that consume dead flesh to survive. Unlike typical zombies, these ghouls are as intelligent as humans; they tend to build lairs near old ...

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