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I am a fictional writer and need info on a poison that can be put in food and is undetectable in autopsy. Symptoms also can't be too messy, no specific time in how long it takes to take effect.
I am writing a story where a freak magical accident causes a fully-formed landmass to pop into existence like it was there all along. For the purposes of this question, let's assume: the contine...
Each technology, that is evolving, begins with simple piece of programming code that starts with variables of certain data types. It is interesting to note that many calculative and computing techn...
I was thinking about how one of the reasons humans have been so successful is that we can adapt to live almost anywhere. A big part of this is that we can put on more clothes when it's cold, and ta...
How might a fictional parasitic superorganism like the Halo franchise's "Flood" function? Put plainly, how would the biology of a parasitic superorganism that grows by converting the biomass of o...
This question is focused on a purely chemical messaging system for humans that provides the same degree of nuance that spoken human languages convey now as well as all the information that smells c...
In a not-so-distant future, around 2300, mankind finally find a way to keep the body intact over hundred of years, allowing a limited number of humans to travel over hundreds of years in order to j...
A world, I am building, had been flooded, causing a species of fire ant that makes ant rafts to evolve a collective behavior, ditching anthills and becoming an ant-hill (I'm not sorry). Over thousa...
I'm trying to imagine mystery setting when amateur astronomer stumbles upon a torrent which contains a 3D map of the Milky Way galaxy. The map contains all large objects: star systems, planets, ne...
Entropy in a casual definition is the tendency of things to progress from order to disorder. There are a variety of specific definitions in different arenas of thought. For example, heat will diffu...
So, to make it normal for a human to have tetrachromacy, having four color receptors, would make our night vision nonexistent. In an answer in the question linked above, someone brought up the tap...
Inspired by this question, suppose that the Earth decided to move its orbit much further out to reduce the effects of, say, global warming or the effects of a dying sun (or far enough to make this ...
In a world where man entered North and South America without causing a mass extinction, all of the paleofauna which became extinct ~10,000 BC in the Americas are still around. There are several fam...
I have an idea for a scify/lost technology world, that I would like to check the plausibility of. What I want A terran world of large size. The crust of the world is thin, and hostile gas-organis...
For this scenario Satellite means an object that orbits the planet, and my satellite is going to be a moon and the structure would be a giant tube going to another planet. What would the people on ...
I sometimes tell my kid that when he grows up, he might be living on the moon. Last night he was worried that Santa won't be able to bring him presents there. To which I replied that sure, Santa ca...
I'm designing planets for a hard (ish) science fiction RPG setting. So I want to find out if there are any clues or theories as to what proportion of planets with life will have the basic biochemis...
Say a terrestrial planet is orbiting two stars as if they're a single gravitational well.(I haven't worked out the distance yet as I still on the phone...) I don't need the planet to be habitable b...
I've discovered some ways of coloring the atmosphere through personal research: The atmosphere could be colored by particles or colored gases (as on Mars, unless I'm wrong) The atmosphere could b...
So this sentient supercomputer is lonely. It wants to create human beings. It created many things but creating a human being is at the top of its list. And it is super determined to figure out what...
Today, most mammals have dichromatic vision, meaning that they have two color receptors. Which color depends on which species you're asking. For example, the real reason bulls charge at matadors ...
For story reasons, I'd like one planet habitable, plausible, but in some noticeable way older than Earth. Just not all planets are 4,5 bilion years. Tidally locked planet that orbit red dwarf, save...
My city's founders had the short-sightedness to place it on the coast. Now, for mysterious reasons, the sea level is rising. The municipal government has decided that building dikes is "too Dutch" ...
This question is based on the articles saying that the Mongoloid body plan was all due to an individual mutation from 35,000 years ago. In science fiction, humanoid aliens that aren't of the human...
Supposing that we can create an entire synthetic being, what material would be best to make its bones of attending to: Weight Strength Durability Reparability Let's set some scenarios: Case 1...
