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Q&A

Posts tagged hydrodynamics

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Q&A How would utility fluids move and stay together?

The concept of utility fogs is actually pretty old. The idea is a swarm of fairly small micromachines (about 100 micrometers in length) that would be able to mimic most materials and objects. Each...

1 answer  ·  posted 1y ago by Mr. Mistoffelees‭  ·  edited 1y ago by Canina‭

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Q&A Aerodynamics of propeller vs screw/fin based aerial propulsion

Would it make sense to use screw- and fin-like bending surfaces for propulsion (like what eels or the king of herrings have but in the atmosphere) instead of regular propellers or even flapping win...

1 answer  ·  posted 3y ago by user72590‭  ·  last activity 3y ago by user72590‭

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Q&A Diffusion and Organic Reactions in Mist

Basic scenario: An abundance of a simple Lipid is introduced to a large body of liquid (water for simplicity), there's some motion; wind or gravity or whatever, and the Lipids bump into one another...

2 answers  ·  posted 3y ago by Darius Arcturus‭  ·  last activity 3y ago by Darius Arcturus‭

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Q&A How to safely construct deep underground harbors on a Snowball Earth?

A radical shift in the Earth's orbit has made the Earth much colder, with all the oceans freezing over, and the atmosphere liquifying and falling as rain. Humans live deep underground in areas of h...

2 answers  ·  posted 3y ago by ak7‭  ·  last activity 3y ago by ak7‭

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Q&A How dense of an atmosphere do I need to "float" an ocean of liquid at 1000 ft elevation?

I recently watched a special on cave divers in the Yucatan Peninsula and part way through that show the divers encountered a feature called a Halocline, a meeting of two different water masses of d...

5 answers  ·  posted 5y ago by Josh Belmont‭  ·  last activity 5y ago by Josh Belmont‭

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Q&A Meteor Impact Events and Magnetohydrodynamics

Siberia was formed as a result of a massive hotspot volcano (Siberian Traps) ~250 million years ago (mya) and so was India ~64 mya (Deccan Traps). So, I was working on a random planet generator fo...

2 answers  ·  posted 7y ago by punkerplunk‭  ·  last activity 7y ago by punkerplunk‭

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