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Mind-Machine interfacing is fairly common across the width and breadth of sci-fi, from Science-fantasy to Hard Science-Fiction. The idea of connecting a human mind to a computer system especially t...
Faster than light travel is a really cool thing to have in sci-fi settings. It allows humans, in relatable time scales, to travel the galaxy and see a variety of worlds. It allows for conflicts spa...
Building on Josh King's answer to this question concerning the feasibility of a disease which dies with its host, can a disease be contagious by airborne means while not being contagious by fluid e...
How believable is a touch or fluid vectored bacteria which is so dependent on its host that the remains of a terminated victim become non-contageous within minutes of the host's death? I'm postula...
We all like hexapods, from the Centaur to the Griffin. A large problem with the realism of the hexapodal body plan is that there are not many reasons for a creature to have them and is still worth ...
If all the world's know nuclear cache were to be placed in a single location and detonated, how would it effect the opposite side of the world?
I have a world (around 3000-3500ad) where human race is spread across various planetary systems - so interstellar travel it's possible. The interstellar travel is possible via a Bussard Ramjet whi...
I am making a world with a gigantic structure the surface size of a smaller continent. This structure is suspended about a hundred meters above ground, and before the construction the area below wa...
Pando is a system of clones, each clone is connected and genetically identical to the others and they all share the same roots. Pando is the heaviest and oldest living organism, with a size of 4...
There are various arguments on the web stating that the domestication of zebras is impossible, because zebras are bad tempered and skittish, and/or animals elsewhere are even-tempered and friendly....
I have a captured planet/moon orbiting HD 37124 c, known as HD 37124 c m XVIII, and I was wondering: since the moon has 1.7 Earth masses, 1.1 Earth radii, a density of 7.038 g/cm^3 and a gravitatio...
I'm currently working on two connected continents for the world I'm building. They've created a convergent boundary where they meet, which has given rise to an east-west mountain range, in addition...
On Earth, life took on a quadruped body plan which has lead to many different sub body plans; 4 legged, 2 legs-2 wings, 2 legs-2 arms, etc. This has made me wonder what possible sub body plans can ...
A caveat I will begin this question with is this: this system MUST be entirely organic. In fact it must be EVOLVED. Therefore Ghost in the Shell or Metal Gear-style nanocomms or cranial implants ar...
Here's the set up: in my fantasy world, there is a species of tree similar to Banyan trees. There are several giant versions of these, and smaller ones are quite common. One of the biggest of the...
The setting: Very distant future, Earth is long gone/forgotten/just not around anymore. Humanity, whatever it may consist of (people, AI, something in-between) inhabits a single vast generation shi...
Alternatively, could DNA be a language (the normal coding that exists within DNA to tell it what to build) that is capable of telling us anything. This question is based off of this article about...
So I'm working on a story based on a binary system involving two Earth sized, Earth like worlds with very eccentric orbits. In the story, one of the major coastal cities is protected by a massive r...
How could a vertebrate animal evolve for extended flight before evolving land adaptations? Is that even possible at all? By extended flight, I mean breathing air and spending most of their time in...
In Pokemon, each individual Pokemon "evolves" into a new stage of its evolution. A lot people claim that this can be explained using mere metamorphosis, but there are no mammals that go through suc...
I'm making a species which has a gas-based circulatory system. How would one go about designing such a system, in which liquid blood is replaced by some kind of gas? What kind of blood vessels wou...
For certain categories of items, namely weapons, armor and machinery (that's pretty general, I know), how well would stone fare vs metal? Assume that any complications with shaping the stone are go...
Before the first nuclear weapon was dropped, a scientist (whose name has escaped me) had a thought: could it ignite the atmosphere? But this was during World War II, when they didn't have the maths...
Now maybe this belongs in physics, but I want it here because I'm interested in the impacts on our society if the speed of light (c) were to be 2x faster since the big bang. My first thoughts were...
Let's say I have been chosen to evaluate whether or not alien worlds contain sapient life before we terraform them. Just assume that we learned to work together and live as a species in peace, trea...
