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Activity for Monica Cellio‭

Type On... Excerpt Status Date
Answer A: What would have to happen in order to force us to live in the ocean?
Broadly speaking you need three things: (1) something that makes it infeasible to keep living on land (most people won't move unless pushed), (2) the inability to evacuate from the planet, and (3) enough time to build and move into those underwater habitats. For (1), other answers have proposed radi...
(more)
about 10 years ago
Question What are the power options for intelligent humanoid robots?
In my future setting on Earth (or an Earth-like planet; haven't decided), the fields of robotics and AI have taken off and we have intelligent, ambulatory robots. (They were initially thought of as machines, but, as is common in such settings, they have advanced and they are considered "human-equiva...
(more)
about 10 years ago
Question Expanding occupied underground habitations safely?
I have a colony of humans living underground in man-made catacombs on another planet. They are, essentially, digging/blasting as they go; they did not create a complete underground city first and then move in. Thus, I need for them to be able to expand "in place", without harming themselves with ei...
(more)
about 10 years ago
Question Does living without access to sunlight for extended periods have known physical or psychological effects on humans?
Humans (even programmers :-) ) are used to having some access to natural light, but in a colony in space, on the dark side of a tidally-locked planet, or underground (for example) this won't happen. Are there known (documented) effects on people's health (physical and psychological) as a result of l...
(more)
about 10 years ago
Question How do I figure out how many people my domed city on a hostile planet can support?
I have a colony of humans on Mars, living in enclosed cities to maintain breathable air. (If they need to leave, they suit up.) Assuming modern-day technology, how do I figure out how many people a city of volume V can support? Or, to reverse the question, how large a domed city would I need to su...
(more)
about 10 years ago
Question How would having multiple moons affect tides?
We know that planets can have multiple moons, sometimes quite a few (like Jupiter). Assuming that a planet with several moons were habitable in the first place and has significant oceans (greater than 50% of the surface), what effect would multiple moons with independent orbits and revolution speeds...
(more)
about 10 years ago
Answer A: What Factors Could Cause a World to See "Northern" Lights Much Closer to the Equator?
On Earth, solar flares can lead to displays of the aurora that are both more spectacular and visible farther south. Flares in September 2014 led to the aurora being visible in Maine, which is around 45 degrees latitude, so that's halfway between the pole and the equator. (More typically you need to...
(more)
about 10 years ago
Question In space, do "shipping lanes" make sense?
In settings with space travel we often see stories that rely on ships encountering each other, such as space piracy (which means you need to know where to wait in ambush), or distress signals that actually get answered by passing ships. Now on earth the idea of shipping lanes make sense because of c...
(more)
about 10 years ago