4.12.22.4.18.0.'s user avatar
4.12.22.4.18.0.'s user avatar
4.12.22.4.18.0.'s user avatar
4.12.22.4.18.0.
  • Member for 2 years, 3 months
  • Last seen this week
  • In the plane of the ecliptic, at around 1AU from the Sun
6 votes
3 answers
226 views

Optical telegraph that can be seen as far as 90 km. How?

5 votes
3 answers
303 views

How would you design a space station able to ricochet off railgun bullets?

5 votes
3 answers
910 views

Can my 3-Dimensional-Space character orbit around a 4-Dimensional-Space planet?

5 votes
2 answers
151 views

Does a ship traveling faster than c0 (speed of light in a vacuum) emit Cherenkov radiation?

5 votes
3 answers
170 views

For my alternate earth, what could cause the position of the axis to change?

4 votes
1 answer
94 views

Write short stories before your main story to help the worldbuilding process

3 votes
3 answers
407 views

In space is it better to use cannons instead of railguns?

1 vote
4 answers
987 views

In a parallel reality, what is stopping a contemporanean nation from jamming its enemies to hell and back? [closed]

0 votes
1 answer
153 views

Is Alagaesia a climatically realistic world?