User user98816

30 votes

17 answers

7k views

Are there ethical ways to profit from uplifting?

asked Jan 23 at 16:15

27 votes

4 answers

6k views

Would extracting hydrogen from the sun lessen its lifespan?

asked Oct 9, 2022 at 13:46

18 votes

14 answers

2k views

Are artificial genes discernible from natural ones?

asked Feb 10 at 22:03

16 votes

15 answers

3k views

Justifying why a nanoassembler can only produce inorganic things

asked Jan 14 at 9:52

14 votes

15 answers

2k views

Designing a portable space elevator

asked Feb 8 at 15:15

14 votes

16 answers

5k views

Justifying why mind uploading destroys the brain

asked Jan 20 at 22:43

13 votes

7 answers

4k views

What genetic enhancements would maximise “luck” in humans? [closed]

asked Feb 26 at 20:57

13 votes

17 answers

3k views

Why do pantropy (genetically modified humans) and terraforming both exist?

asked Dec 17, 2022 at 15:44

12 votes

6 answers

2k views

Under what conditions could a gold planet form?

asked Dec 25, 2022 at 17:48

12 votes

8 answers

2k views

Minimising the environmental effects of my dyson brain

asked Mar 2 at 20:55

12 votes

5 answers

3k views

Could aquatic aliens use bubbles in microscopes?

asked Nov 7 at 8:46

11 votes

5 answers

2k views

How fast does this planet have to rotate to have gravity thrice as strong at the poles?

asked Jun 10 at 19:14

11 votes

2 answers

5k views

Could a planet have 1/2 the Earth’s mass but 1 g surface gravity?

asked Feb 1 at 14:05

11 votes

13 answers

3k views

How would a holographic “touch-screen” work?

asked Jan 2 at 20:10

10 votes

3 answers

679 views

Is it a good idea to harvest the sun to terraform Venus?

asked Oct 7, 2022 at 16:18

9 votes

14 answers

3k views

How do we create an interstellar communications system?

asked Oct 29, 2022 at 20:28

9 votes

1 answer

2k views

How could crustaceans evolve lungs?

asked Nov 27, 2022 at 21:26

9 votes

15 answers

668 views

Explaining the need for human representatives in an AI controlled society

asked Feb 18 at 10:13

8 votes

5 answers

2k views

Would a brain transplant suffer immunorejection if the new body was cloned from the original?

asked Jan 20 at 16:19

8 votes

4 answers

2k views

How can I get a huge Saturn-like ringed moon in the sky?

asked Nov 3, 2022 at 7:14

8 votes

8 answers

2k views

What would the easiest planet to terraform look like?

asked Jan 4 at 15:55

8 votes

4 answers

946 views

Would a rotating habitat work on the surface of a moon?

asked Dec 30, 2022 at 9:17

8 votes

7 answers

4k views

How can I deliver 4 x10^19 kg of hydrogen to a planet in 30 years?

asked Jan 8 at 19:29

7 votes

4 answers

1k views

What do Titanians drink instead of alcohol?

asked Dec 24, 2022 at 13:22

7 votes

7 answers

2k views

Creating a second earth: How to make a continent?

asked Feb 1 at 18:11

7 votes

11 answers

5k views

Could a race with 20th century computer technology plausibly develop general-purpose AI?

asked Jul 17 at 10:11

6 votes

4 answers

367 views

How long is a terraformed mars likely to remain habitable without plate tectonics?

asked Apr 5 at 16:24

6 votes

4 answers

694 views

Why would bioluminescence evolve in a Europa-like world?

asked Mar 18 at 14:17

6 votes

2 answers

678 views

Can a habitable planet have rings? [duplicate]

asked Feb 5 at 11:01

6 votes

4 answers

418 views

Maximum size for this dome habitat

asked Jan 27 at 9:21

Stack Exchange Network

139 Questions

Are there ethical ways to profit from uplifting?

Would extracting hydrogen from the sun lessen its lifespan?

Are artificial genes discernible from natural ones?

Justifying why a nanoassembler can only produce inorganic things

Designing a portable space elevator

Justifying why mind uploading destroys the brain

What genetic enhancements would maximise “luck” in humans? [closed]

Why do pantropy (genetically modified humans) and terraforming both exist?

Under what conditions could a gold planet form?

Minimising the environmental effects of my dyson brain

Could aquatic aliens use bubbles in microscopes?

How fast does this planet have to rotate to have gravity thrice as strong at the poles?

Could a planet have 1/2 the Earth’s mass but 1 g surface gravity?

How would a holographic “touch-screen” work?

Is it a good idea to harvest the sun to terraform Venus?

How do we create an interstellar communications system?

How could crustaceans evolve lungs?

Explaining the need for human representatives in an AI controlled society

Would a brain transplant suffer immunorejection if the new body was cloned from the original?

How can I get a huge Saturn-like ringed moon in the sky?

What would the easiest planet to terraform look like?

Would a rotating habitat work on the surface of a moon?

How can I deliver 4 x10^19 kg of hydrogen to a planet in 30 years?

What do Titanians drink instead of alcohol?

Creating a second earth: How to make a continent?

Could a race with 20th century computer technology plausibly develop general-purpose AI?

How long is a terraformed mars likely to remain habitable without plate tectonics?

Why would bioluminescence evolve in a Europa-like world?

Can a habitable planet have rings? [duplicate]

Maximum size for this dome habitat