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I was thinking of an organism that lives its entire life in interstellar space It eats, defecates, moves, grows, ejects eggs, attracts mates, and has sex in interstellar space. It has skin that p...
The setting is a moon-sized body with solid surface, thick (but mostly transparent) atmosphere and magnetosphere. But most heat from the space is supplied with relativistic charged particles impact...
Setting: In my world I've introduced some science-defying material. I use it to grant the ability of flight to airships that are less Hindenburg-y and more ship-y. They are not literally ships that...
The situation is as follows: there is a city with different districts, each provided with electric power from a different power plant: Thermal power plant nuclear power plant Hydroelectric power ...
Food for thought from /r/worldbuilding: If the dominant race (typically human) of a given world, without any other context, has a huge cultural diversity, then is racism surely going to appear? If...
I was thinking of an organism that lives its entire life in outer space. It would be shaped like a rocket and have skin to pressurize its insides so that its internal organs are pressurized even w...
____________Useless Backstory_________________________________________________ In my world, A hurricane has washed a group of 8,000 pachyderms off of Afro-Eurasia and onto a large island cl...
Given an Earth-like planet, what sort of geological features or weather systems are required for a place to have the same average day and night temperatures throughout the whole year? Is such a thi...
I'm writing a setting for some fantasy novels, and came up with an idea about weather and climate. The world I'm imagining has an elliptical orbit around a binary system, giving it basically 2 st...
In my alternate history, during the Islamic golden age (in this case, 9th century Arabia - present day Oman), my characters are building a series of glass towers. They are like lighthouses travers...
I've read a number of questions about how a dragon would or could breathe fire, and what substances would allow them to do so, and alcohol or ethanol has always been mentioned and shot down as alco...
Same base as in my question about feeding an underground base (in Abbeville, SC). As you go underground, the air heats up. What would be a reasonable depth so that (a) it could be easily cooled,(b...
This is the Alps back home, cornering the Italian Peninsula and dominating the nations of Switzerland and Austria. The tallest, Mont Blanc, stands 15,780 feet above sea level. In this alternate...
Not sure if this is too broad, but I am currently in the process of making a few flying alien species and, of course, didn't want to use the old insect or bat-like wings. Of the types of wings (or...
Introduction: Welcome to a world where hominids developed to have two different sized hands (similar to the male fiddler crab). We have developed societies, art, and naturally war. But, how exactl...
In my con-world I went lengths to introduce a plausible lighter-than-air element and did rather large amounts of thinking about landmasses in order to promote the development of airship technology ...
I am attempting to devise a mechanism whereby a species may reproduce in a communal manner. A number of individuals, ranging from two to arbitrarily high, may contribute gametes to a mass spawning ...
Isogamy: "sexual reproduction by the fusion of similar gametes." Not to be confused with Isogyny, "marriage between people of similar status or age." All such species on Earth lack tissue-level or...
In the future (based on present/emerging tech) someone builds what is effectively a mountain bunker to survive a nuclear winter. But bunkers don't have natural light. So, the plan is to build a b...
In a story of mine mankind has established a permanent base on the earthward-side of the Moon complete with a beanstalk dangling into Earth-Luna-L1 for easy transport of material off Luna. Getting...
Aside from very simple or colonial organisms, all animals on Earth have only one mouth for eating. Many organisms have multiple spiracles or even multiple anuses, but not mouths.
From what I've read, a planet without axial tilt wouldn't have seasons, at least the way we experience it today. But from my understanding, monsoons are periodic inversions of the direction of the...
I'm worldbuilding a continent that's mostly desertic (still trying to decide if sand or rocky desert, but definitely a hot desert). All the rain would fall on the edges of it, through a chain of mo...
The pangolin is a fascinating creature. Belonging to the only group of mammals with scales, they are arboreal and are not hindered by them in any way. However, these animals have a very complex evo...
Imagine a SupraWorld being built around a gas giant like Jupiter. To have a 1g gravity on the surface the resulting SupraWorld would have to be less than twice the radius of the giant (my calculati...
