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user535733
  • Member for 7 years, 3 months
  • Last seen this week
23 votes

Feasibility of "in situ" ammunition production and salvage

23 votes

Would ground-based vehicles become obsolete in the age of space combat?

22 votes

If this earth were cube shaped would it be possible during Magellanic era using a float ship to figure out that the earth is cube shaped?

21 votes

Can the number of letters in alphabet suggest how advanced civilization is?

21 votes

How many slaves do I need to keep my mountain palace supplied?

20 votes

Harvesting automated war machines

20 votes

Mechanized infantry of the medieval age

19 votes

Could a small private island protect its sovereignty?

18 votes

U.S. Army/Military's response time to an army appearing in the middle of a major city

18 votes
Accepted

Defending a planet's surface from ships in orbit

18 votes
Accepted

Occupation Forces

18 votes

What weapon of mass destruction could theoretically vaporize a whole solar system?

18 votes
Accepted

Replace pens by typewriters

17 votes

Humans are gone - what can I harvest from their cities 30M years later?

17 votes

How can an absolute ruler in a large country keep their regional governors/politicians in check?

17 votes

Universal Language

17 votes
Accepted

How functional/versatile would airships utilizing perfect-vacuum-balloons be?

16 votes

Modern warfare theory in a medieval setting

15 votes

A nation is using a dragon in sieges. How could they neutralize ballistas without putting the dragon in danger?

15 votes

How to find out if someone is guilty of adultery?

15 votes

Can FTL travel be achieved with mid-20th century technology?

15 votes

A wizard develops transmutation -- but is it of any real use?

15 votes

Would a squad of soldiers who can shapeshift into T. Rexes be useful in a modern battle?

15 votes

How useful would a hydroelectric power plant be in the post-apocalypse world?

14 votes

Real "Alchemical Transmutation" of Some Other Mineral Into Gold?

14 votes
Accepted

What is the most efficent way of killing prey much larger than yourself?

14 votes

How can a male klepton species sustain a settlement without kidnapping women?

14 votes

Logistics of a steam-powered subway system

14 votes

How to prevent guerrilla warfare from existing

14 votes

How could physics possibly explain the sun hanging motionless in the sky?

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