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user6511
  • Member for 9 years, 3 months
  • Last seen more than 7 years ago
105 votes
Accepted

If the insects declared war, who would win?

91 votes
Accepted

Plausible Reasons for usage of Combat Mecha

61 votes

Reasons to not allow an uploaded brain to be conscious?

22 votes

How do spaceship-mounted railguns not destroy the ships firing them?

22 votes

What if the speed of light were 100 times higher?

21 votes

How would a society develop that has no sense of value or ownership?

20 votes
Accepted

Safest, Quickest Way to Leave a Tall Building in an Emergency?

20 votes

Is Ternary an option for a tech future?

17 votes
Accepted

How would science handle inexplicable yet predictable behavior in an element?

16 votes

Pew Pew Lasers! What would directed energy weapons actually sound like?

13 votes
Accepted

Industrial Space Vehicle Naming - How to generate realistic names?

13 votes

How to modify the human eye to see into the ultraviolet and infrared bands?

13 votes

Science, Religion, Magic: Can they be maintained in equal and parallel opposition?

12 votes
Accepted

Space Mechs or Tanks or Planes or Marines - Fighting in space without blowing up each other's starships

12 votes
Accepted

How to handle dangerous, potentially unstable children/teenagers

12 votes
Accepted

Could large space ships land safely

12 votes

Could a human engineer comprehend alien electronics?

11 votes

What would it take to make thorium a prominent energy source?

10 votes

Is there a way to create a bomb to destroy a star?

9 votes
Accepted

Using an Alcubierre warp drive strictly for sub light travel

8 votes
Accepted

Could metal shields and armour be considered as reliable defences in a modern or near future army?

8 votes

How do you assassinate someone who is protected by precognitive people?

8 votes

Which Particles would make a particle beam weapon visible outside an atmosphere?

7 votes
Accepted

What would happen to an urban fantasy Earth hit with a supernatural, planet-sized EMP?

7 votes

Would a submarine make a great spaceship?

7 votes

Could all sentient species be considered "human beings" by humans?

7 votes

Can humans live on an Earth-like planet where the only difference is that the surface is ~50% water, instead of the ~75% of now?

6 votes

If future farming is largely automated by robots, what produce would still require human farmers?

6 votes

What if Earth was eaten by a giant slow moving alien creature?

6 votes

Technological applications of light only wormholes