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13.1k posts
 
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Q&A Could we mine the Moon if we replaced the taken mass?

There is the strong theory that the Earth and the Moon were part of the same core at one point. This would lead one to believe that there are precious minerals under the surface of the Moon. Metal...

4 answers  ·  posted 8y ago by Sarfaraaz‭  ·  last activity 8y ago by Sarfaraaz‭

Question moons gravity mines
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Q&A Circular tree: possible?

In the never ending quest to get elves to live in trees, I am taking things one step further and attempting to get the entire city in a tree. Magic is not in the equation. The tree would start out ...

3 answers  ·  posted 8y ago by Thomas Myron‭  ·  last activity 8y ago by Thomas Myron‭

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Q&A What would society be like if the world was populated by a chosen set of clones?

It's 100 years in the future, and we've decided to end all war and crime. How do we plan to accomplish this? Through rigorous study of personality theory and human interaction, we've identified 5...

5 answers  ·  posted 8y ago by codebreaker‭  ·  last activity 8y ago by codebreaker‭

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Q&A How many plants does it take to breathe?

I'm working on a space story in which an astronaut is travelling to Neptune to validate our CurrentEarth™ corporation's findings regarding our Solar System. The setting is a moving ship similar to ...

3 answers  ·  posted 8y ago by Anoplexian - Reinstate Monica‭  ·  last activity 7y ago by Anoplexian - Reinstate Monica‭

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Q&A In long-lived races, how far should one track one's own family tree for relationship purposes?

Some background information: in this world there are races that are ageless. Meaning they stop aging at what humans consider age 30. This of course means that both men and women remain fertile, ess...

3 answers  ·  posted 8y ago by Fayth85‭  ·  last activity 8y ago by Fayth85‭

Question society immortality
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Q&A What form of currency to do transactions between us and droids?

Very soon I suspect we will see the rise of machine in the next couple of decades if people continue abusing Moore laws, suppose robot laws are hardwired into their core how can we make them believ...

11 answers  ·  posted 8y ago by user6760‭  ·  last activity 7y ago by user6760‭

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Q&A Is it possible for type II civ to resuscitate dying star?

I suppose there is sufficient time for us to achieve type 2 civ status on the Kardashev scale, that means we cannibalise the Sun! Joke aside would such a civilization level be sufficient to revert ...

1 answer  ·  posted 8y ago by user6760‭  ·  last activity 8y ago by user6760‭

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Q&A How would lower gravity affect motion?

In this context, my world assumes an infinite universe so parallel Earths are possible and probability isn't an issue. My planet has half the gravity of Earth but an atmosphere 12x denser, although...

4 answers  ·  posted 8y ago by Zac Walton‭  ·  last activity 8y ago by Zac Walton‭

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Q&A Best & least-well adapted flora & fauna in a high-Oxygen atmosphere

Positing a high (c. 35%) Oâ‚‚-level on a roughly Earth-equivalent planet (atmosphere about like the early Carboniferous), what types of lifeforms would flourish? Obviously, giant insects could be ...

3 answers  ·  posted 8y ago by fbonzo‭  ·  last activity 8y ago by fbonzo‭

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Q&A What would night look like on a planet orbiting Sirius B?

Assume the planet's orbit around Sirius B is much closer to its parent star than we are to the sun so it still receives enough light and heat to form an Earth-like environment. What does night look...

2 answers  ·  posted 8y ago by Z.Schroeder‭  ·  last activity 8y ago by Z.Schroeder‭

Question astronomy stars
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Q&A Space exploration without electronic devices, is it possible?

Let's suppose anti-gravity/gravity-manipulation/telekinetic technology is found in the near future. It allows to move large ships (thousands tons) into space from the surface of the Earth with re...

7 answers  ·  posted 8y ago by G.ogre‭  ·  last activity 8y ago by G.ogre‭

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Q&A Can AI learn human emotion from scratch as they live work close to human being, providing it has state of the art technology?

The AI is working as same principle as we know today. It is rational AI, which goal is to get the job done at most optimal ways. Their roles have nothing to do with human psychology, so the manufac...

6 answers  ·  posted 8y ago by Haha TTpro‭  ·  last activity 8y ago by Haha TTpro‭

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Q&A Non-magical protective talisman (or, sapient money)

There are two societies. One highly advanced with AI, posthumans, post-scarcity economy and off-Earth resources. So gold and platinum is what a Mercury base resident just calls "rocks". They hav...

4 answers  ·  posted 8y ago by JDługosz‭  ·  last activity 8y ago by JDługosz‭

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Q&A Would a planet be shaped any differently if it has a single non-dipole?

Earth's 2 poles, north and south, form a magnetic dipole that goes though the center core, and on a flat map we see the poles on the top and bottom. I have a world which consists of only a single ...

3 answers  ·  posted 8y ago by Memor-X‭  ·  last activity 8y ago by Memor-X‭

Question planets
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Q&A Planetary Surface of Trees?

Purely hypothetical question here. Would it be feasibly possible to have a planet entirely covered in a dense network of interlocking trees? The idea is that the trees themselves act as the 'cr...

4 answers  ·  posted 8y ago by Thomas Myron‭  ·  last activity 8y ago by Thomas Myron‭

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Q&A Using a brown dwarf for a gravity-assisted slingshot

Assuming the feasibility of utilizing a brown dwarf for a gravity assisted slingshot, or Oberth Maneuver, what sort of hazards/difficulties could one expect during such a maneuver? EDIT: To make ...

2 answers  ·  posted 8y ago by Brian‭  ·  last activity 8y ago by Brian‭

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Q&A Could a civilization without access to computers have cryptography?

There's a person who has enough working knowledge of our current real-world methods of cryptography (e.g. knows how a few modern algorithms work and could implement one or two from scratch). That ...

12 answers  ·  posted 8y ago by Sigma Ori‭  ·  last activity 7y ago by Sigma Ori‭

Question technology security
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Q&A Kinetic Energy Absorption

So I'm just wondering about something that was on my mind. I am writing a story that is inspired from the comic book genre and takes place in a hypothetical Marvel Universe. Now let's say one of th...

3 answers  ·  posted 8y ago by Marvelous Spidey‭  ·  last activity 8y ago by Marvelous Spidey‭

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Q&A How to keep a machine running for thousands of years

How would I future-proof a complex machine or set of machines so that they will still be running 2000-3000 years from now? Is this possible with our current level of engineering and we just don't d...

4 answers  ·  posted 8y ago by Z.Schroeder‭  ·  last activity 8y ago by Z.Schroeder‭

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Q&A FTL telescope-satellites

In this world, as soon as humans invent FTL, they launch "telescope-satellites" (I don't know what to call them) out in several directions. They travel at 10c, can communicate instantly with Earth,...

2 answers  ·  posted 8y ago by Durakken‭  ·  last activity 8y ago by Durakken‭

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Q&A Russia's Alternate Geological History

Since the geological history of the world's largest nation is as big as the nation itself, and since I don't have a master familiarity with Russia's formation over hundreds of millions of years, I'...

1 answer  ·  posted 8y ago by JohnWDailey‭  ·  last activity 7y ago by JohnWDailey‭

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Q&A What would happen at the core of a water world?

If there existed a planet that was made completely of liquid water, no solid matter at all, what would the core of such a planet be like? Let's assume that this planet has conditions similar to ear...

2 answers  ·  posted 8y ago by possiblySerious‭  ·  last activity 8y ago by possiblySerious‭

Question planets physics sea
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Q&A Preventing the instantly lethal zombie bite

A common thing we see in zombie movies in the ability to remove the infected area (usually the arm or leg) despite the fact that a blood borne illness would travel throughout the body. How could I ...

3 answers  ·  posted 8y ago by Uncle Tres‭  ·  last activity 8y ago by Uncle Tres‭

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Q&A Why might humans abandon the surface of their planet in favor of a subterranean existence?

In a future with great scientific advancements in architecture, engineering and science (where all three work together to create solutions to many problems that city planners, architects and civil ...

4 answers  ·  posted 8y ago by Fin Gallagher‭  ·  last activity 8y ago by Fin Gallagher‭

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Q&A Can charmspeak be scientifically explained?

Charmspeak is defined as mind control through the medium of speech - that is, the user tells the target what to do, and the target has no choice but to obey. Is there a way to explain such a phenom...

7 answers  ·  posted 8y ago by System‭  ·  last activity 8y ago by System‭