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7 votes
2 answers
259 views

Chemical Coin Flipping as Divination

0 votes
1 answer
70 views

Artificial Satellites Orbit Around a Cube with Uniform Surface Gravity

1 vote
3 answers
103 views

Would a species with 3 sexes be more adept at warfare and hard labor compared to humans?

8 votes
1 answer
584 views

The Lost Continents of Atlantis and Mu reappear: Disruption to Transport

2 votes
6 answers
445 views

How to counteract a trojan horse when the horse is the anti-virus software?

5 votes
8 answers
6k views

Without taxes, who pays for roads/highways?

3 votes
3 answers
152 views

Is it possible for plant life to evolve (and adapt) on a low CO2 planet?

13 votes
23 answers
5k views

What goods yield the best profit for time-travel arbitrage?

7 votes
15 answers
2k views

What kind of pressures would make a culture force its members to always wear power armour

13 votes
10 answers
4k views

Would a freeze ray be effective against modern military vehicles?

23 votes
10 answers
5k views

Telekinesis resistant locks

1 vote
2 answers
115 views

How would a magic system allowing arbitrary organ transplants work?

4 votes
3 answers
763 views

Viability of laser cooling a person (trying to create a freeze ray)?

3 votes
2 answers
141 views

Could a wingsuit using fans be made with our current technology?

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