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Posts by 絢瀬絵里‭

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Q&A Civilization of humans with monochromatic eyesight

I was wondering, how would a civilization of humans who can see only in grayscale live their life? There is none of them that can see color. Everyone sees every thing in gray. Yet, color actually d...

7 answers  ·  posted 8y ago by 絢瀬絵里‭  ·  last activity 8y ago by 絢瀬絵里‭

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Q&A How small in diameter a planet can be while retaining most of Earth's properties?

Suppose that I have a planet very similar to Earth. It has the same level of gravity, water-land ratio, temperature, air composition, rotation and revolution speed, tectonic activities, temperature...

2 answers  ·  posted 8y ago by 絢瀬絵里‭  ·  last activity 5y ago by 絢瀬絵里‭