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In my world, there's an era when only some 20 visible (big enough to see with the naked eye; all other animal life forms are microscopic) animal types lived on the planet. Mammals such as wolves, ...
For my story I have an alien species who are detrivore. They are also an intelligent species on par with humans. But many people have pointed out to me that intelligent detrivores don't work, becau...
As all of you know, humans eat for energy. While being able to maintain homeostasis is great, it's also human to want more. Maybe we want stronger muscles, or the ability to breath fire, or even to...
Is a planet with varying fields of gravity possible? Yes. Earth has varying gravitational fields at various different times due to various factors, mainly location based. How extreme can I make th...
My Keplerians are humanoids but they have a special organ and special hormones for protein storage. Not only that but they don't get muscle atrophy from injury. Take the abdominal muscles for examp...
Details: A culture of dryads has a strange death tradition. When a dryad dies there's usually a medic, or better say a "shaman" that rips a strange looking organ or gland off their head. The gla...
Imagine that, in the near future, pollution, overpopulation and war leads to a massive extinction where almost all chordates, some invertebrates and many plants are wiped out. Small, resilient plan...
Let's say that at an asteroid mining site, the workers live in a rotating wheel space station that can produce 1g. They use Earth's 24 hour day, and for 8 hours a day, people go to the asteroid to ...
My empire's flagship, the Persecutor class UJBHE1 Abhorrent, rides into the home system of my greatest enemy, Baron Obsequious, levels its Death Ray2 at his beloved home, and pulls the trigger.3 B...
I've been reading some texts about synthetic biology and how to produce Human Artificial Chromosome (HAC), and I was wondering if we could develop some kind of device that "reprogrammed" the genes ...
I am creating a species for my alien world that will be seen as 'holy' by the planets dominant religion. I'd like to know if my 'holy' species could viably exist biologically/evolutionarily. Assu...
I'm trying to find a way to explain an alien species' ability to control plants, specifically plant growth for crops, without it being 'magic.' So they can ensure the health and size of the plants ...
In the question Wind turbines in space The user asks about using solar wind to rotate turbine like things in order to get energy. Most answers say that using them to get energy would not work beca...
So, I was reading this article about how difficult it would be for any alien race to escape an exoplanet with about 10 times the mass of Earth. It states they probably would even lack satellites. ...
I am building an idea for a terraformed environment with 1/6 the gravity of Earth, with a permanent human colony that has been established and sustained for 40+ years. I have thrown around a few id...
The mountain in question is about the same height as the french alps. The headquarters in the should hold 500 people, is this possible?
The backstory for a key character in my story involves him receiving a harsh punishment for becoming corrupt. The tearing off of the wings themselves is easy to write. It's the state he's left in a...
My story is set in the future where space travel is cheap and humanity has colonized Mars and some parts of the asteroid belt. Asteroid colonies can grow their own staple food, but crops that requi...
In 2039, our company was the first to bring a safe and reliable solution to upload someone's mind to the cloud. Although it was 10 years ago, you probably remember the news, don't you? We guarantee...
At 4:56 in this video essay, Edgar states that at an axial tilt of 60 degrees, the tropic and arctic climate bands will be switched, so that equatorial regions would be cold and polar regions hot. ...
Essentially for my story my Evil Empire needs a constant and huge amount of new population to conscript for their armies. The way they accomplish this is by forcing every female member of society (...
Let's consider that the card game needs to be played, and equipment that may even kill you if you lose (via blades, electric shocks or the like, it could also even kill people by summoning supernat...
How do my PA civilizations rebuild after a depletion of the planet's natural fuels? Even with a wealth of information to rebuild, would civilization still be permanently stunted due to being unab...
While once living in Texas, my family and I had the privilege of watching a shuttle re-entry. It was breath-taking. I kid you not, it was like watching the finger of god drawing a line of fire th...
