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Anixx
  • Member for 9 years, 5 months
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3 votes
2 answers
168 views

A planet with huge rotation speed but also huge gravity?

3 votes
3 answers
125 views

Artificial oxygen oasis in an otherwise CO2 atmosphere

2 votes
10 answers
2k views

Worlds with different mathematics and logic [closed]

2 votes
4 answers
797 views

Chosing civilization types for an interstellar galaxy-wide world [closed]

2 votes
0 answers
181 views

You are alone on Earth. You are immortal. You are tasked to destroy all traces of civilization as quick as possible. What do you do? [closed]

2 votes
3 answers
432 views

Will artificial selection for religiosity make the gods real? [closed]

2 votes
1 answer
213 views

How much perfluorocarbons can a space-worthy civilization produce? Will this substance become indispensable resource for terraforming? [closed]

2 votes
1 answer
968 views

Plants or animals lighter than air [duplicate]

1 vote
7 answers
3k views

How Earth can defend herself in a future war with Mars? [closed]

1 vote
4 answers
387 views

Is gravity well crucial for interplanetary warfare?

1 vote
2 answers
190 views

Using birds to lift a cabin to the air

1 vote
5 answers
374 views

Is it possible to genetically modify people so that they felt more pleasure without drugs? [closed]

1 vote
3 answers
250 views

Real-time planned economy with feedback

1 vote
0 answers
53 views

Without biological research, would be people ever able to come to an idea of neural networks? [closed]

0 votes
4 answers
296 views

How one can verify if they are protected by the system (universe) without taking any risks? [duplicate]

0 votes
1 answer
282 views

What weapons and technology can be used in alternate history set in late 1980s? [closed]

0 votes
1 answer
132 views

Is using light as a reactive mass in a rocket engine possible? [closed]

-1 votes
1 answer
132 views

What a reasonable person should conclude from these circumstances? [closed]

-2 votes
1 answer
179 views

How much the world would change if room-temperature superconductivity is dicovered? [closed]

-2 votes
3 answers
400 views

How a hero can detect or test his own immortality? [closed]

-2 votes
1 answer
83 views

What thing comes next? [closed]

-2 votes
8 answers
1k views

What could make the technology to be conserved at the level of mid-late 21th century for centuries? [duplicate]

-3 votes
2 answers
160 views

Will there be antisemitism in 35th century? [closed]

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