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user4239
  • Member for 7 years, 11 months
  • Last seen more than a month ago
62 votes
12 answers
12k views

How can I get my DeLorean to 88 miles per hour without a train?

55 votes
24 answers
8k views

Need to start a religion with a predefined self-destruct

24 votes
8 answers
2k views

How would Earth-Mars trade work with a Musk-like colony?

18 votes
17 answers
2k views

How can I establish a stable and growing church where everyone is chaste (no sex)?

16 votes
7 answers
2k views

What's a plausible way for a three biological sexes setup to develop for a dominant intelligent species?

15 votes
8 answers
499 views

How do you protect against granted prayers?

14 votes
7 answers
2k views

What is the likelihood that inhabitants of an alien planet similar to Earth geologically would have races?

14 votes
3 answers
991 views

Would a civilization that is trying to colonize a landless world be able to do so?

12 votes
6 answers
1k views

How can I convince skeptical rationalists that afterlife is for real and needs to be striven for?

11 votes
4 answers
4k views

How would human society develop if humans had gills?

7 votes
2 answers
285 views

Cosmological consequences of a world with super-high refraction and atmosphere opaqueness

4 votes
6 answers
341 views

What shape would religion take in a world of hallucinations?