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Posts by neph‭

8 posts
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Q&A Methods of containing/combating "grey goo" Von Neumann nanomachines?

The grey goo end-of-the-world scenario in which lots of little microscopic Von Neumann self-replicating machines basically eat everything to make more of themselves. Eventually everything is grey ...

7 answers  ·  posted 10y ago by neph‭  ·  last activity 7y ago by neph‭

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Q&A What political structure would develop within an interplanetary civilization?

Conquest and discovery has been an important part of developing the global political structure of today's Earth. After we expand and settle other planets, whether within the same solar system or n...

4 answers  ·  posted 10y ago by neph‭  ·  last activity 7y ago by neph‭

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Q&A Is there any way to truly hide a spaceship?

Space is two things: empty and (mostly) dark. This makes it really, really hard to hide in it, because to do anything in it, chances are, you'll be shining a big bright light through it. Even if ...

12 answers  ·  posted 10y ago by neph‭  ·  last activity 5y ago by neph‭

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Q&A How would a completely urbanized city-planet support its population?

Related: How would a completely urbanized city-planet be maintained? How would the global environment of a completely urbanized city-planet be affected? Why would a completely urbanized city-plan...

5 answers  ·  posted 10y ago by neph‭  ·  last activity 10y ago by neph‭

Question urban logistics
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Q&A How would the global environment of a completely urbanized city-planet be affected?

Related: How would a completely urbanized city-planet support its population? How a completely urbanized city-planet be maintained? Why would a completely urbanized city-planet exist? The prope...

3 answers  ·  posted 10y ago by neph‭  ·  last activity 9y ago by neph‭

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Q&A Why would a complete urbanized city-planet exist?

Related: How would a completely urbanized city-planet support its population? How a completely urbanized city-planet be maintained? How would the global environment of a completely urbanized city...

5 answers  ·  posted 10y ago by neph‭  ·  last activity 10y ago by neph‭

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Q&A What is the maximum size of a flying creature?

Giant winged beasts such as the Roc and the western dragon feature strongly in mythology. Is there a maximum size on a biological winged flying creature? How would an atmosphere different from Ea...

3 answers  ·  posted 10y ago by neph‭  ·  last activity 10y ago by neph‭

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Q&A What social structure would be developed by an intelligent species with distinct functional physical differences?

Racism has been a defining trait in how human civilizations have interacted and developed in regard to each other. It, however, is founded on differences which separate us visibly but not function...

3 answers  ·  posted 10y ago by neph‭  ·  last activity 10y ago by neph‭