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Posts by brendt‭

7 posts
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Q&A In what era or tech level in earth's history did people have the ability to cross a super-earth's ocean 50,000 km wide?

I have a huge planet with two continents separated by a wide ocean. Inhabitants think that their continent is the whole world because the other side is too far and they never visited it. What if pe...

16 answers  ·  posted 6y ago by brendt‭  ·  last activity 6y ago by brendt‭

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Q&A Is it safe to have an earth-like temperature for a 48-hour day-night cycle on a big planet?

I want this planet to be very earth-like on all aspects except for its size and the day-night cycle. The circumference is three times greater than the earth's circumference. The day-night cycle las...

2 answers  ·  posted 5y ago by brendt‭  ·  last activity 5y ago by brendt‭

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Q&A How Would Weightless Creature Steer Itself In The Air? (Can It Sail?)

Gravity does exist in this world, and so does air and clouds. But this creature only has enough weight to stay in the air without falling or being lifted up. It's big like a whale and it does have ...

5 answers  ·  posted 5y ago by brendt‭  ·  last activity 5y ago by brendt‭

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Q&A How Fast Can A Weightless Human 'Swim' On Air Using Medieval Tech?

This world has gravity, air, and clouds. If humans are weightless yet still has mass, it's gonna take some force to accelerate them. How fast can they move on air, say, if they had fins like divers...

4 answers  ·  posted 5y ago by brendt‭  ·  last activity 5y ago by brendt‭

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Q&A How to catch creatures that can predict the next few minutes?

These creatures have the ability to see all possible outcomes within their vicinity within the next 30 minutes or so. This is not the same as foreknowledge that they have no choice over. Even if ...

14 answers  ·  posted 5y ago by brendt‭  ·  last activity 5y ago by brendt‭

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Q&A What plausible reasons why people forget they didn't originally live on this new planet?

It's a major step forward for humanity when they can finally live on a new planet. Maybe they went there out of desperation to survive, or maybe they simply want to explore. Either way, they sudden...

16 answers  ·  posted 5y ago by brendt‭  ·  last activity 5y ago by brendt‭

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Q&A How to trap medieval humans in a land using geology?

These humans must never see the ocean and should still be able to survive. They can only get out of the land if they improve the technology level. Is it even possible? The lakes or seas should prob...

7 answers  ·  posted 5y ago by brendt‭  ·  last activity 5y ago by brendt‭