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1 vote
2 answers
75 views

Do I need to add other passive defenses against my character's (human) lightning superpowers?

16 votes
4 answers
6k views

Medieval Crop Yields

1 vote
2 answers
313 views

do these living expenses make sense compared to the costs of the products?

3 votes
3 answers
393 views

The Anu Project, #1: What would the mass of a Gas Giant have to be to support 25+ Moons?

3 votes
3 answers
2k views

Will water extracted/farmed/distilled from poisonous clouds be (more) potable if 'strong alcohol' was mixed in?

7 votes
7 answers
1k views

Why would chemical weapons never be used in a science-fiction setting?

3 votes
2 answers
395 views

How to build a giant city in a harsh environment?

8 votes
4 answers
1k views

Would a barbed sword be off-balance/practical

-1 votes
0 answers
40 views

Review my idea : an endoceres-like tripod scavenger

3 votes
5 answers
330 views
+200

Preventing sunburn from a thick enough ozone layer

7 votes
12 answers
3k views

How to not get blood on you in close-quarters combat?

4 votes
15 answers
853 views

Animal to have as an efficiently modified enemy to humans

1 vote
3 answers
236 views

My crab-like creature underneath a 5 km thick ice: Please review my idea

13 votes
12 answers
4k views

What can cause (military) rank DEflation instead of rank INflation

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