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2 votes
6 answers
2k views

Is a world laser possible?

5 votes
6 answers
1k views

What types of materials would be generated by a lava monster that has been cooled down rapidly?

3 votes
1 answer
331 views

Could alkaline digestive system work?

7 votes
6 answers
930 views

Are Liquid Brains Possible or Viable?

3 votes
1 answer
193 views

Are My Ocean Currents Realistic for a Supercontinent?

2 votes
2 answers
131 views

What parts of the human brain can a truth serum modify to prevent lying?

28 votes
14 answers
7k views

Can singularity be achieved in a PC without any external information?

2 votes
2 answers
206 views

What astronomical situation could account for the PERCEPTION of a very erratic day / night cycle for a planetbound population with limited science?

5 votes
4 answers
481 views

Pottery Without Using Heat

10 votes
6 answers
1k views

How might heat management in a large hab dome work?

13 votes
6 answers
1k views

How could a large spherical plant heat air inside to fly?

2 votes
1 answer
110 views

What's the maximum mass for an Iron Planet to have a magnetosphere like Mercury's?

7 votes
9 answers
3k views

Can a device that causes memory loss be created with near-modern technology?

13 votes
14 answers
4k views

Using our current understanding of science, is it possible for biologically plausible animals to be resistant to our current military weapons?

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