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2 votes
4 answers
69 views

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

7 votes
7 answers
753 views

Would it be possible to rearrange a dragon's flight muscle to somewhat circumvent the square-cube law?

3 votes
3 answers
127 views

What's the largest population we could sustain indefinitely on a distant space station?

9 votes
4 answers
2k views

Would a lower gravity planet have deeper oceans and higher continents?

6 votes
9 answers
1k views

Under what circumstances would a species with 2 genders evolve into a species with 1 gender?

4 votes
2 answers
166 views

Is there any feasible way for Antarctica have hidden oases?

8 votes
5 answers
1k views

States causing cancer in enemy politicians, spies, world-leaders

2 votes
3 answers
127 views

What location options are available for a large-scale underground mining city

3 votes
2 answers
980 views

Could harvesting antimatter from a Gas giant's van Allen Belts be feasible?

8 votes
5 answers
2k views

What's a reasonable timeframe for civilian survivors to learn how to fly a helicopter on their own?

3 votes
1 answer
139 views

What is the altitude limit at which plants can grow on a low gravity planet?

1 vote
2 answers
98 views

What would be the optimal atmosphere for Earth's life and humanity?

4 votes
2 answers
179 views

How long can this planet hold its atmosphere?

3 votes
3 answers
98 views

How slow and and how close could a rogue planet pass by the Solar System not to have catastrophic consequences on Earth Orbit?

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