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Assuming all the energy in our solar system (solar energy, heat, etc) was converted into matter, and then using all the matter in the solar system, how big of a city sphere could be built? What I ...
In the great apes, there are two worlds--ground and treetop. Representing the ground is the largest primate on Earth, the genus Gorilla. Representing the treetops is genus Pongo, the orangutan. ...
In laying out the groundwork for a series of stories I'd like to write, I'm positing a somewhat modernly-realistic take on the "well-aged human empire in the stars" type of setting the classic auth...
I understand that the wind is caused by a differential in atmospheric pressure, but say that a city built in an extremely flat landscape is constantly threatened/harassed by the wind and wind-relat...
In the event that both planets of a binary planet system were life supporting, and both ended up developing a sapient, tool using species, at what technological level would they be able to start ef...
In my world magic is conferred genetically. Their are five "types" of magic, which never mix. You either have one type, or you have another (or none at all, the sixth option), you never have a mix ...
In film "The Day After Tomorrow", a giant snowstorm seizes the Earth for days and freezes nearly everything. What I want to know is, that is this possible in current Earth climate and geology? It d...
Let's suppose Paleozoic marine creatures (Trilobites, early fish, and many else) has appeared in oceans of 2017. What kind of advantages and disadvantages will they have when they compete with mode...
How could humans survive underground for centuries? People have built multiple underground facilities around the world to prepare for a catastrophe. Just to be careful they overcalculated their res...
Okay, I just asked a question, in which mother nature transformed all animals (or brain containing living beings, if that fits better for you) into a being twice as big in order for them to kill of...
I'm trying to come up with a history for a planet that's more-or-less Earth-like that was colonized by a small group of humans ~1000 years ago. Human civilization on this planet has an understandi...
So, a little bit of pseudo backstory first. Imagine mother nature would be some godly being, that actually exists. Somewhere. In spiritual form. Now imagine humankind would be a big thorn in her ...
Is there a limit (and if so, what is it) to the size (mass) of terrestrial planet that could be "captured" as a moon by a migrating gas giant? I'm writing a novel where a colony ship crashes on su...
I have designed the "blueprint" of an spaceport. I know that in Earth solar energy is 1.200W/m^2 approx., but my spaceport is in the space (no atmosphere). Information - My blueprint has 60 s...
Would it be possible for a single motorcycle to harm a world so much that it would cause significant change? Conditions: Unlimited Amount Of Time The Planet Is Not Earth (No other cars, factory...
Is it possible for under water Atlanteans to make explosives? These Atlanteans have no magic but do have gills. They look like normal people other than the gills and webbed hands and feet. They...
The concept is simple: I want to create a horse species, that are like the Superman of horses and can easily pull of acts, we've seen them done in movies. One of the many steps in this is to cr...
I need a planet where the day cycle is short, in particular 16 hours. I read What determines the length of a day on a planet? and Is it physically possible for a planet to have seasons of different...
The Scenario: My late Victorian Era mad scientist wants to domesticate the dinosaurs and mammalian megafauna of his "Lost World" island getaway, for use as companions, guardians, draft animals, and...
I am working on a solar system for a world where I intend to place my stories. This world should work by the laws of physics as we understand them so that, even though magic is a thing that exists ...
When it comes to processing hearing and visual signals, our brain has different capabilities. While it seems to be able to execute a spectral analysis for sounds, so that when we hear the superpos...
I know A LOT of this gonna be a stretch and that I'm probably misunderstanding or exaggerating current real-life trends in science, but that's kind of why I'm asking the question. We know it's poss...
So in my world of Horizon, there is a sentient species known as the Jar'keth that lives in the inner ocean of Enceladus. They resemble a mix between eels and catfish, and are slightly smarter than ...
My current story is set inside a hollowed out dwarf planet (i.e. Ceres) with an artificial gravity generating "mesh" within the shell. This Gravity Mesh can generate a gravitational field that can...
