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Peter M. - stands for Monica's user avatar
Peter M. - stands for Monica's user avatar
Peter M. - stands for Monica's user avatar
Peter M. - stands for Monica
  • Member for 9 years, 8 months
  • Last seen more than a month ago
35 votes
Accepted

How would societies be if created and populated only by young people?

33 votes
Accepted

Von Neumann probes: feasible or not, now?

32 votes
Accepted

What could restrain post-singularity societies from spreading across the Galaxy?

30 votes
Accepted

How would the world be different if ice was denser than water?

24 votes

How could war be replaced by sports?

24 votes
Accepted

If somehow Mars suddenly had our exact atmosphere, could there be lots of life in a few million years?

24 votes

What single change would have given the best chance for the Axis to win World War 2?

21 votes

The melancholy of tinkerbella

21 votes

If we put humans on planets with atmospheres different from Earth's atmosphere, but still containing oxygen, would humans be able to breathe?

20 votes

What single change would have given the best chance for the Soviets to win the Cold War?

14 votes

Is one year a realistic timescale to learn an ancient language if every language you knew didn't exist yet?

14 votes

Planetary Scale Artworks

14 votes

Evolution of a non-human species with no concept of gender?

14 votes
Accepted

Could intelligent life on Earth have been seeded by precursor aliens?

13 votes

How might one "recycle" your world leaders?

13 votes

How would a child of a human and alien inherit abilities?

12 votes

Building a tank to fight a mech

12 votes
Accepted

Internet without space

11 votes
Accepted

How long could an age of medieval tech last?

11 votes
Accepted

Vanishing oxygen

11 votes

How might a carnivorous species subsist on a cycle of cannibalism

11 votes

In Space, how can they hear me scream?

11 votes

Is building giant ship-cities in a water world a good idea?

10 votes

Could we still live if Earth's spin speed slowed down by 90%?

10 votes
Accepted

What consequences would ancestral guidance have?

10 votes
Accepted

Are islands flying in space possible?

10 votes

Could a planet made completely of water exist?

10 votes

How long would it take to domesticate an alien beast?

9 votes

Are flying plants possible?

8 votes

Is it possible for a religion with >1 billion followers to die out?

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