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I was recently learning about pressure in my high school science class. I will admit that I am not extremely well educated in the subject and thus this may be an extremely stupid question. But anyw...
I am writing a short story and would like to know what would be the most realistic way to introduce a human to robot interface (exchanging data with an AI robot)? I was thinking of some kind of a c...
While on a space mission to Neptune, you accidentally broke your tether on the way. After a couple of hours floating, you were hit by an asteroid. You passed out. When you are conscious again, yo...
Modern cities are built from concrete with steel rebar because it is abundantly available and provides enough tensile strength. Concrete requires cement. Cement is made from limestone. Limestone is...
Supposing you are trying to colonise planet that has no life what-so-ever but is otherwise an earth analogue. First thing that I realised is that there would be no oil. So they would need to make ...
In this situation, humans have used ships to colonize other worlds very distant from ours but still maintain a interplanetary equivalent of our World Wide Web. These future humans have not yet disc...
Let's imagine America some years in the future where technology has advanced to the point where we can easily create a nation wide underground aqueduct system. Pavement is porous and allows a certa...
The orcs in my world are humans who have been infected by two different diseases: An airborne mutagen that permanently denatures their myostatin receptors, which prevents their muscles from being...
Assume the observer was on the ground, 4 km from the base (bottom) of the Space Elevator. Assume a "standard" Earth Elevator "tethered" at <= 20 degrees of equator, made of diamond nanothread...
Now I love huge living creatures and fantasy settings, this just might be reflected in my questions, so I had the idea to make a massive living island. I saw a similar question, but unfortunately i...
Lets say in 2069 a big interstellar corporation needs to create a "love potion" to subdue a religious pacifist rebel group that refuses to reproduce until they get independence. This love potion d...
I am writing a science fiction story that would greatly benefit from a plot device that causes a large localized darkness effect. I'm aiming to get at least 3 days of darkness that covers a signifi...
So let's consider a species of blind, sea dwelling, squid-like aliens. They are sentient, intelligent and highly social. As their societies develop and their available knowledge increases they req...
For this question, let's say we have a space faring civilization. They are at least 100 years more advanced than us, and are drawing up plans to send colonists to a neighboring star. The catch is,...
Suppose a civilization in which every possible appliance is a bio-machine. There are automobiles, but each one has a human-like head under the hood. Each datacenter is a bunch of over-grown brains....
The time is The Future. Humanity is spreading throughout the stars, aided by the invention of Schwarzschild gates. The gates allow for FTL travel by tearing open wormholes in space. There are thre...
This new idea/story includes an ancient subterranean race, but they need to survive harsh conditions. Developing a nervous system/brain is important. Are certain proteins necessary to form a comp...
The year is 3030 and the robots (who have replaced humanity as the dominant intelligent beings on Earth) have decided to build a Dyson sphere around the sun. They're planning on disassembling Venus...
If the ground end of a space elevator was severed, what would the unfolding event look like from the ground? What would the movement(s) look like, and over what period of time? I'm assuming that ...
Earth and Titan prove that ocean be made of water and liquid methane, respectively. Theoretical planets with oceans of liquid ammonia and sulfuric acid are believed to exist. But what about alcohol?
I was wondering if we could create science research submarines that are as large as military nuclear submarines. This is because I have not seen any large research submarines they all seem to be sm...
I have left a link to the NASA video in case you are not to sure what I am referring to or to get a better picture of what I am talking about. https://www.youtube.com/watch?v=bnKFaAS30X8 With th...
Because our moon is tidally locked with Earth, then the same half always faces the Earth regardless of where the Moon is in its orbit. As such, would a tidally locked satellite such as our moon (as...
A hypothetical organism is tetraploid and isogametous. To reproduce, four haploid gametes must meet and fuse into a tetraploid zygote. Any four individuals are sexually compatible, barring self-inc...
I am building a world where a rogue moon (or rogue planet or other larger celestial body) partially crashes into the main planet; the the residual shards would then form a smaller moon which become...
