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My Kepler Bb world has in total 8 seasons. 4 of those are transition phases. Their year begins on the first day of spring and their months with 9 day weeks are 65 days long. But that is just in Kep...
In my Fantasy world I thought it would be interesting to have a creature whose eyes would be precious gemstones or crystals. I want to understand how that could be possible, and if any ramification...
Assume humans have the technology and motivation to genetically engineer humans capable of breathing underwater and on land. Also assume for this example mechanical technology is somewhat constrain...
One of the oddest of cryptids is an octopus haunting the lakes of Oklahoma, a landlocked state. The reason this is odd is that although freshwater mollusks are common, Cephalopoda (the class consi...
First I'm going to expand on what I mean by this generator: the photo-electric effect means that metal spaceships will slowly become positively charged as they fly across space, but for the purpose...
This question is about a phenomenon in the Dark Forest, part of the Three Body Problem science-fiction trilogy often considered 'hard science'. Be warned: there are major spoilers below for those w...
We are in the future in northern North America (U.S or Canada). The land has "risen" (or more accurately, filled in) with several hundred feet of earth and sand and silt so that a modern city will ...
Say you have an interstellar spacecraft packed full of advanced technology, such as: Fusion generators Androids A sublight drive capable of ~0.5C Various robots, holograms, and other automated sy...
First of all, yes I'm Australian, and yes I am using a kangaroo to type this up. If you take a look at Australia, it's a pretty sad place geographically. Very flat, very dry, mostly desert and for...
Assuming a spinning space station shaped like a wheel. With the inhabitant living on the inside of the Wheel to get spin gravity. Something like the station discussed in this post. The needed spee...
If all the rain for the next 24 hours fell in one go, say over 5 seconds, how would the world be different? We're assuming the same volume of rain falls in each place on the Earth as does now, for...
I am working on a story where ships are tricked and crash land on a volcanic planet due to some sort of electromagnetic interference. The survivors of the landing essentially become gladiators on ...
Let me pitch you a setting: The year is 2015 and a team of scientists are trying to create a device that allows a person to "Save" right before a major event (in this case, a job interview). Let's...
The readership of science fiction gets smarter over time, so making your SF "smart" (even if it's not hard SF) is an ever-moving target. This earlier question makes me think about Conservation of ...
Your company has just been contracted to develop a purpose built AI. The purpose of this AI is to control a mining station that will be anchored within an asteroid belt. The space station will be e...
Background: I'm writing a nomadic society that lives in the shadow of their planet's rings. These rings are as wide as possible to grant them the biggest shadow. The planet has an incredibly long y...
I wanted to make a setting that has a "space tower" of some kind, not necessarily a space elevator (it might be a fountain for example, or even just a gigantic upward pointing mass driver). It mak...
Generally, when you run a long distance or do something particularly strenuous, you start breathing heavily because of a decrease of oxygen in your blood. Your gasping and weezing is in an effort t...
This would only comprise death by natural causes, no accidents, suicides, homicides etc. As Wikipedia says: A death by natural causes is one that is primarily attributed to an illness or an ...
It has become common knowledge among mammalologists that the origins of our most iconic rides, the horse, stemmed from the tarpan, a breed of wild horse that became extinct as recently as 1909 CE. ...
Is there a limit in physics/chemistry I need to change by inventing Unobtainium? Or is it just a matter of economy by making regular fuel much harder to extract, and chemical explosives much common...
I'm looking to devise an extraterrestrial parasitic organism that perpetuates itself by infecting entire stellar biospheres before moving on to colonize other inhabited star systems. This organism ...
Acording to current scientific knowledge, birds descend from theropod dinosaurs. This evolution had, as usual, some transitional forms, like Archaeopteryx. Following this evolutionary path, we not...
Your people have been displaced by war, and have wandered for many months looking for a new home. Yesterday, you came across something truly marvelous. You are camped at the edge of a huge ravine, ...
Anytime one thinks "flightless bird" and "aquatic bird" put together, one would immediately think of Sphenisciformes, the penguins. But during the Late Cretaceous, there swam a different kind of f...
