Barnaby's user avatar
Barnaby's user avatar
Barnaby's user avatar
Barnaby
  • Member for 8 years, 11 months
  • Last seen more than 4 years ago
  • Zurich, Switzerland
3 votes

Is there a minimum population mass required for scientific/technological advancement?

1 vote

What is the limiting factor for a plant's growth?

14 votes

What cataclysm could make an entire interstellar species extinct?

2 votes

So we've survived the apocalypse. What's next?

0 votes

Interplanetary commerce: how do you compare currencies?

0 votes

A continent lost underwater?

0 votes

Could a technological society develop without agriculture?

1 vote

Do different star systems experience time differently?

14 votes
Accepted

Would a Type 2 Kardashev Civilization really build a Dyson Sphere around their own sun?

1 vote

Precious Materials in a Galactic Empire

1 vote

Can planets die of old age

0 votes

How long would it take for a new intelligent species to evolve if humans disappeared?

2 votes

Can two civilizations on nearby stars develop independently but be at a similar technological level?