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0 answers
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Could laser collisions be used as an interstellar dust deflector?

4 votes
7 answers
2k views

What would the effects of a space based laser weapon system capable of tracking and destroying any projectile posing a threat to human life?

4 votes
6 answers
978 views

How would a scaled-up ballista designed to launch 50-foot spears function?

0 votes
3 answers
219 views

Designs for copper-gold-silver armor

4 votes
4 answers
818 views

What causes my expedition RTG to produce way less power when deployed in a magic realm

8 votes
4 answers
1k views

How to recreate a "land" harp that can work in the deep sea?

9 votes
7 answers
2k views

Super broad gauge railway vs double wide/multi track railway

5 votes
5 answers
296 views

Is it possible to use rail guns or mass drivers as some kind of anti orbital weapon?

14 votes
12 answers
6k views

How would computers develop in a society where a Cherokee-like language is the dominant lingua franca?

9 votes
3 answers
973 views

Could methane be a suitable "lifting gas" for medieval-tech airships?

14 votes
19 answers
4k views

Why have non-magic technology when there is already a magic solution?

14 votes
15 answers
3k views

Would Artificial Gravity With Short Range Be Possible?

3 votes
5 answers
372 views

Tongue Keyboard

5 votes
4 answers
1k views

Possibility of solar powered space stations around a red dwarf

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