User Ewan - Worldbuilding Stack Exchange

54 votes

Would low-grade levitation be of any use?

answered Nov 15, 2018 at 15:36

29 votes

An object that is gold in one specific area but becomes worthless if you leave that area?

answered Dec 3, 2018 at 21:36

4 votes

What is the fastest way for a robot with superhuman capabilities to make money?

answered Jul 23, 2016 at 7:50

2 votes

Can you build the wall and still remain in club of the most powerful countries?

answered Jul 23, 2016 at 9:00

2 votes

Dangerous pending task in world managing A.I

answered May 4, 2018 at 16:00

2 votes

What's the ideal era for harvesting resources by an advanced society?

answered Oct 28, 2018 at 13:40

2 votes

How could indestructible materials be used in power generation?

answered Apr 3, 2019 at 9:37

2 votes

Does adamantium solve the giant mecha problem?

answered Dec 20, 2019 at 18:25

2 votes

If we discovered time travel, what would happen to the value of currency?

answered Apr 15, 2016 at 17:57

1 vote

Why would a very advanced Transhumanist Civilization ever need to have a military or wage wars?

answered Mar 20, 2020 at 12:39

1 vote

Favor based economy

answered May 7, 2015 at 15:41

0 votes

Selling Your Uploaded Copy of Yourself

answered Mar 27, 2016 at 9:46

0 votes

What would be a logical reason to explain space based families having more children than an earth based one

answered Dec 19, 2018 at 13:52

-1 votes

Does this time travel delivery service cause paradoxes, and if so how can I avoid them?

answered Oct 22, 2020 at 7:48

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14 Answers

Would low-grade levitation be of any use?

An object that is gold in one specific area but becomes worthless if you leave that area?

What is the fastest way for a robot with superhuman capabilities to make money?

Can you build the wall and still remain in club of the most powerful countries?

Dangerous pending task in world managing A.I

What's the ideal era for harvesting resources by an advanced society?

How could indestructible materials be used in power generation?

Does adamantium solve the giant mecha problem?

If we discovered time travel, what would happen to the value of currency?

Why would a very advanced Transhumanist Civilization ever need to have a military or wage wars?

Favor based economy

Selling Your Uploaded Copy of Yourself

What would be a logical reason to explain space based families having more children than an earth based one

Does this time travel delivery service cause paradoxes, and if so how can I avoid them?