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In several RPG campaigns, I've seen player characters try to either make investments or borrow significant amounts of money. This made me wonder: which sorts of worlds should have interest rates th...
Gamma diversity is defined as the entire species diversity of a landscape or region. Assuming we have a region of 100 square miles of temperate deciduous forest inhabited by cretaceous fauna. How m...
I was thinking that the character would be a moderately active teenage girl that's 5"8 and 160 lbs. The speed itself is a super-power and she is otherwise a normal human. I'm defining safe as a spe...
What would cause a nuclear power plant to break down after 2000 years, but not sooner? The setting is a society in a dark age. Their ancestors were considerably more advanced than earth currently...
This is my first question here so I would like to apologize if this is sloppy or in the wrong place or the like. I have searched and found nothing that answers the exact question I think, so though...
This is a continuation of a question I made earlier! The atmosphere consists of 80% N2, 17% O2, 1% CO2, 1% NH3. I am not extremely familiar with the chemistry of ammonia, but I do know that it beh...
For the purposes of this question, let's use the definition of nanotechnology from the tag wiki excerpt: "technology that works with sizes of less than 100 nanometres". An EMP can vary in frequenc...
I was reading some questions on Quora and I found this claim: The polar regions have a very odd reason for them to have so much oxygen production. You see the Polar aurora run day and night in ...
I have a world where there are two types of beings. One type, let's call them X, exist in our "dimension," and the other, let's call them Y, exist in another "phase" or dimension. Only 10% of X b...
I have a situation in my imaginary setting, and I am specifically interested in how this situation would affect the weather. The situation is as follows: Positioned above a large landmass of m...
I am looking for a (if only semi or even the tiniest bit) scientifically explainable way to make a spaceship travel fast enough that interplanetary travel (take the average distance between any 2 o...
I was going to sort this all out beforehand, and then write the book, but when the writing flows... you make hay. I am a perfectionist/details-oriented person, but you lose me on math/hard science....
Consider a large flat disc, at least two thousand miles in diameter. It is thin and has comparatively little weight or mass, but it is also opaque and does not let any light through. This flat di...
I want to make a human able to fly, much as Superman or any other superhero can (meaning without wings or any other non-human physical characteristics), but respecting the physical laws otherwise. ...
Hypothetically speaking, if there was a substance you could drink/inhale (in an alternate reality) with superconducting properties, how would it influence the brain and the body? The superconduct...
Let's say there is another planet in our solar system that harbours sentient life and this sentient life can build castles, buildings, and other such structures. When would we notice that? We ca...
If a spaceplane were to try to simulate the look of aerial flight in the vacuum, would it be difficult or easy for the pilot to manually simulate aerial maneuvers, using just a contemporary reactio...
The setting I'm building has a race of people, derived from modern humans, whose primitive survival as a species relies partly on very fast reproduction, and I think I want them to have a tendency ...
The question is just as simple as it sounds. Would it tuck them under like a bird? make running motions like it does when running on the ground? some other movement that actually aids in fligh...
It's a basic fact that most plants need sunlight to generate growth. Sure, they also need water and nutrients, but their reliance on sunlight is the one sole thing that separates them from animals...
I am currently working on world-building a planet, and I wanted to try to diverge from Earth's atmosphere a little bit, but not extremely. I am planning on still having it be a oxygen-nitrogen rich...
Our empire has been at the mercy of violent marauders who are not working with the Will of Dozin and instead trying to break away from our cosmic union. In our archives, we have found a xenoformin...
Could 2 moons that orbit same terrestrial planet never see each other if they orbit the planet at same time? Moons have different mass and gravity.
Assuming a turtle or tortoise evolved adaptations to become large comparable to that of sauropods. How large could they become (in weight or potentially carapace size)? The turtle needs to be prima...
Consider a planet very similar to Earth, with the same radius and the same mass. In a very simplified model of its interior, 70 % of its mass is magnesium silicate and the remaining 30 % is iron. T...
