28
science-based
× 7 |
10
tools
|
4
terraforming
|
2
artificial-intelligence
|
20
spaceships
× 4 |
9
space-travel
× 3 |
4
universe
|
2
climate-change
|
20
stars
× 3 |
8
language
|
4
space-colonization
|
2
economy
|
15
genetic-engineering
× 2 |
8
algorithms
|
4
space-constructs
|
2
virtual-reality
|
14
technology
× 2 |
8
astronomy
|
4
natural-resources
|
2
time-manipulation
|
14
gravity
|
8
conlang
|
4
kardashev-scale
|
1
far-future
× 2 |
14
momentum
|
7
planets
|
4
mining
|
1
dyson-spheres
|
14
microgravity
|
7
simulation
|
4
civilization
|
1
creature-design
|
13
space
× 4 |
5
science-fiction
× 3 |
4
astrophysics
|
1
magic
|
12
hard-science
× 2 |
5
nanotechnology
× 2 |
3
cybernetics
|
1
medieval
|
10
reality-check
× 2 |
5
power-sources
|
3
trans-humanism
|
1
robots
|
10
middle-ages
|
5
wormholes
|
2
energy
× 2 |
1
viruses
|
10
furniture
|
4
warfare
|
2
black-holes
|
1
space-warfare
|
parasoup
