Skip to main content
celtschk's user avatar
celtschk's user avatar
celtschk's user avatar
celtschk
  • Member for 9 years, 9 months
  • Last seen more than 1 year ago
12 votes
7 answers
2k views

Expanding your empire's space from the inside — can it be useful?

12 votes
5 answers
2k views

Could higher land-based life exist on a planet with a pressure of about 1 MPa?

9 votes
9 answers
4k views

How would a disabled person earn their living in a medieval-type town?

8 votes
4 answers
724 views

How to make elections magic-proof?

7 votes
5 answers
374 views

Animals for weightlessness

6 votes
2 answers
759 views

How to make Varus win the battle of the Teutoburg Forest?

6 votes
11 answers
761 views

In a world without science, what would cause society to widely lose belief in the fundamentals of its religion?

5 votes
5 answers
1k views

How can a clairvoyant do good and at the same time protect himself?

4 votes
9 answers
1k views

What could have caused the end of magic? [closed]

4 votes
1 answer
808 views

What are the key questions you have to answer when designing a fictitious society? [closed]

4 votes
1 answer
619 views

Can there be planets with extremely strong magnetic fields?

4 votes
8 answers
7k views

What would a relativistic kill vehicle hitting the moon look like from earth?

1 vote
2 answers
326 views

Making Mars more massive

1 vote
2 answers
291 views

Would self-flying cars fly?

1
2