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wokopa
  • Member for 1 year, 11 months
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24 votes
13 answers
9k views

How can I give Henry Ford's customers what they want: a faster horse?

20 votes
11 answers
6k views

Could a submarine 'sail' the ocean currents?

12 votes
4 answers
4k views

Could a gene be added to people that would stop them drinking?

12 votes
16 answers
5k views

What defensive invention would have made the biggest difference in the late 1400s?

11 votes
9 answers
5k views

Can 21 sports kits be visually distinct?

10 votes
5 answers
2k views

What would a vehicle with these properties look like? A nomad's caravan

10 votes
14 answers
4k views

Is there any way to justify very different levels of technological development within a few thousand miles?

10 votes
6 answers
1k views

Why would hydrogen bubble up from the sea floor?

9 votes
4 answers
2k views

I live in a solarpunk world. What does my toothpaste tube look like?

6 votes
3 answers
1k views

Could an alternative form of photosynthesis be much more efficient?

5 votes
0 answers
148 views

How much smaller would the industrial revolution been if it had relied on wood/biomass? [closed]

5 votes
3 answers
866 views

How is this possible: a moon with A) large apparent size B) that spins C) spins in a 5:1 spin-orbit resonance?

5 votes
4 answers
939 views

What's the ideal spot on Earth for a planned city? [closed]

5 votes
3 answers
304 views

Could the 'underwater glider' concept be applied to a 4000-tonne, 80m submarine?

4 votes
2 answers
3k views

Could an electromagnetic pulse be made directional?

3 votes
6 answers
244 views

It it plausible to say my world exists as a result of the many-worlds hypothesis? [closed]

3 votes
9 answers
2k views

What is the least far-fetched way to defend against nuclear submarines? [closed]

3 votes
8 answers
918 views

Can a floating launch platform be built and deployed quickly?

3 votes
4 answers
1k views

What one change would put life on Easy Mode? [closed]

3 votes
13 answers
3k views

Why would/wouldn't *humanoid* robots become popular, rather than any other robotic body-form?

3 votes
2 answers
510 views

If mediæval people knew about copper IUDs, could they make them?

1 vote
1 answer
198 views

Realistically, how much redundancy needs to be added to crucial industries?

0 votes
1 answer
265 views

Could Tesla coils be used for missile defense?

0 votes
5 answers
222 views

What foods might yeast-based agriculture produce?

-1 votes
1 answer
146 views

What are some plausible justifications for why "there can be only one" immortal? [closed]

-3 votes
9 answers
445 views

Help me solve some paradoxes in this economic system

-3 votes
1 answer
216 views

What would be some consequences if >80% of people were women? [closed]