Activity for martinkunevâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Effects of asteroid passing very close to the planet I am trying to think of a natural event that causes very big impact to human lives - massive movements of people, shift of power, etc. This event happens in a medieval period on an earth-like planet. I was thinking that a large asteroid passing very close to earth can cause significant perturbations... (more) |
— | almost 6 years ago |
| Question | — |
Conditions for a city on a mountain Cities usually emerge at places where transportation is easy (on a plain, near a sea or a river, etc.) so that people can come and go (facilitating trade) and water and food can be brought to the city. Under what conditions can a big city emerge on a mountain (for example in a valley)? How large can... (more) |
— | about 8 years ago |
| Question | — |
base-12 numeral system What could drive a human civilization to use base-12 system? As far as I know there have been such civilizations and they probably used their phalanges to count (instead of their fingers). I have found several possible reasons: the need to divide by 3 (probably the reason romans used base-12 fracti... (more) |
— | about 9 years ago |