User Barnaby

14 votes

Accepted

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

answered Jan 20, 2015 at 21:54

14 votes

What cataclysm could make an entire interstellar species extinct?

answered Feb 7, 2015 at 12:36

3 votes

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

answered May 2, 2015 at 9:45

2 votes

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

answered Feb 4, 2015 at 14:52

2 votes

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

answered Jan 13, 2015 at 18:33

1 vote

Can planets die of old age

answered Jan 15, 2015 at 20:58

1 vote

Precious Materials in a Galactic Empire

answered Jan 20, 2015 at 0:04

1 vote

Do different star systems experience time differently?

answered Jan 21, 2015 at 1:02

1 vote

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

answered Apr 26, 2015 at 12:56

0 votes

Could a technological society develop without agriculture?

answered Jan 23, 2015 at 0:25

0 votes

A continent lost underwater?

answered Jan 23, 2015 at 22:06

0 votes

Interplanetary commerce: how do you compare currencies?

answered Jan 29, 2015 at 22:29

0 votes

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

answered Jan 14, 2015 at 19:41

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13 Answers

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

What cataclysm could make an entire interstellar species extinct?

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

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

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

Can planets die of old age

Precious Materials in a Galactic Empire

Do different star systems experience time differently?

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

Could a technological society develop without agriculture?

A continent lost underwater?

Interplanetary commerce: how do you compare currencies?

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