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Imagine the population of our planet is given free (almost) and unlimited energy. What kind of technologies would go mainstream which are not feasible today due to prohibitively high energy requir...
Over four and a half billion years ago, Theia, a rogue planet the size of Mars, slammed into the infant Earth. This impact is believed to have resulted in the birth of many things, from the moon t...
The year is 2089. The political shenanigans of the day have gotten more out of hand than usual and violent zealots have detonated the Earth's largest deposit of plotium devicide, an extremely versa...
I have this player with some portal based technology that wanted to build a moving base. His technology works like this: You need 2 portals connecting two spaces, both go in both ways, and conserv...
Ever since grade school, we have been taught to visualize time in the form of a time-line. This model works particularly well considering the fact that, according to widely accepted scientific theo...
I am considering a human-like species that has a consciously controlled womb- like organ. These beings would be able to gestate and give birth to any smallish creature that fitted their purpose. Na...
You all probably know what a starfish is. When a starfish is ripped in half, if each half has part of the central disk, then it can regrow into two starfish. Worms can do something similar, if they...
Would a creature similar to semi-aquatic slime mold living on a mostly freshwater planet with shallow seas be able to build technology to the extent that modern humans do? Assuming that each indivi...
So here's the premise: We have an Earth-like planet, with a civilisation at roughly the same state as ours today. Scientists have been monitoring the atmosphere for centuries, what with forecastin...
I am trying to make a fake metric-time app to prank some friends when we take a trip to Canada soon and would like to know how I could make this work conceptually. I already know that the time is ...
I have decided to change the numbers to make it easy on Hohmannfan. These two planets, for all intents and purposes, are identical to Earth, with he moon replaced by another Earth. So now the quest...
It is well known that our working memory (in our brains) is limited to about 7 items, the magical number 7, + or - 2. This is the Miller's law. (our working memory is not at all like the RAM of a ...
So, I have five habitable planets in my planetary system. These five planets are all in the Goldilocks zone, orbiting their star. However, only two are relevant to this question. The star is exactl...
The 'Before' Picture Imagine if African Wild Dogs developed the ability to float. There is no scientific explanation to how they can float; it's just happened and we do not need to know why. The d...
Related to this question, which deals with the no-papers visitors. However, in my case, instead of a character with no paperwork whatsoever -- we're dealing with someone from an alternate reality ...
My NASA-like scientists in a system far, far away, but otherwise similar to us today, understand that their nearest sister planet, Sunev, is habitable for mankind. With one exception: it is almost...
I was reading more Laundry stories and just went through Equoid. The humorous "Procurement Specification" got me thinking. In a rational SF approach (as opposed to magic), imagine a civilization d...
For my current world in progress, I have devised a variety of species possessing multiple, unique DNA chains that can receive copious amounts of short-term energy due to their large stores of sugar...
You have undoubtedly played them. Games with floating land and platforms, "falling out of the world", high jumping, floating and slowly revolving objects, and wingless flying enemies. Question: W...
It's just my typical luck: I discover and recover the billion-dollars worth of gold on a sunken galleon on the same day my arch-nemesis decides to detonate a one Megaton hydrogen bomb right above m...
Imagine a sentient species with these attributes: not very advanced (think primal tribes) can breathe underwater good swimmers feed on seafood (fish, algae) live in a high fantasy world with orcs...
I am designing a video game in which Alcubierre Drives will be obtainable by the player. I would like this game to be somewhat scientifically accurate in this way. Specifically, I am interested i...
Now, bear with me because I know very little of mycology. I just know that mushrooms taste good, and that fungi is very complex with lots of different uses. For my fantasy story, I want a societ...
On Kepler Bb these are the average temperature and duration in region 1 which is a warm temperate zone(subtropical if you want to call it that): Winter: Temp: 35 degrees Fahrenheit (2° C) Durati...
So, if you haven't looked at my previous question: Would a sentient species be able to thrive when mating means the death of the male partner? Please do, as the information in it directly pertains...
