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ihaveideas's user avatar
ihaveideas
  • Member for 1 year, 1 month
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22 votes
Accepted

What factors would determine the behaviors of post-scarcity society?

20 votes
Accepted

How easily could a pre-scientific people purify a substance and hence grow a pure crystal?

18 votes

Could a society develop without any time telling device?

16 votes

Is it possible to design a bottle that can always be "full"?

14 votes

My Medieval kingdom has birth control, why is the population so high?

13 votes

Will disallowing inheritance reduce corruption?

12 votes

How to stop empires with non-electrical communication from collapsing?

12 votes

How long would it take for a civilization to forget how it began?

12 votes

Would it be at all possible for a civilization to not have a concept of a god real or fake?

12 votes

Is there any way to justify very different levels of technological development within a few thousand miles?

10 votes

What would a vehicle with these properties look like? A nomad's caravan

10 votes

What AI force strength would be needed to defeat modern humanity?

10 votes

How to design a vehicle’s locomotion for regular roads, cross-country and driving across the bottom of a river

10 votes

Labour-Intensive staple crop

8 votes

How could I make literacy universal in a medieval society?

8 votes

KBC Void Stupendously Massive "Vacuum Hydrogen" generators- How to convert the Anti-Hydrogen into Hydrogen?

8 votes

How would people protect themselves in a world where scientific laws may be modified almost omnipotently with specialized applied math?

7 votes

Digital camouflage

7 votes

Can ecological collapse happen in a person's lifetime?

6 votes

How would remnant tech impact the formation of a tribal "big man" government?

6 votes
Accepted

How much space do I need to fit 1 million people in an isolated city?

6 votes

Super broad gauge railway vs double wide/multi track railway

6 votes

How does a government that uses undead labor avoid perverse incentives?

6 votes

Can too much data cause brain failure?

6 votes

How would sensible waste disposal be accomplished for terrestrial creatures in a primitive society?

5 votes

Why can't autonomous delivery drones solve world hunger?

5 votes

How can a pre-industrial civilization effectively defend against aerial attacks from large, fire-breathing creatures without the use of magic?

5 votes
Accepted

Can a Green Sahara co-exist with a Mediterranean Salinity Crisis?

5 votes

Spiritual beings think and feel, but don't have a nervous system?

5 votes

What event, short of a war or apocalypse, could cause social and technological regress?