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PostPosted: Fri Jul 06, 2018 10:45 am 
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Link: https://www.popularmechanics.com/milita ... ate=070618


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PostPosted: Sat Jul 07, 2018 2:57 am 
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Hydrophobic? Doesn't that mean fear of water?

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In 1757 Admiral John Byng was shot "pour encourager les autres". Voltaire


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PostPosted: Sat Jul 07, 2018 8:07 am 
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No, that means that the contact between the coating to the water is reduced maximally. The word is usually used to describe a characteristic of chemical compounds, e.g. fat is hydrophobic and therefore does not mix with water, but swims on the top of it. Other thingss are hydrophilic, i.e. they mix well with water, e.g. alcohol.

See:
https://en.wikipedia.org/wiki/Hydrophobic_effect

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PostPosted: Sat Jul 07, 2018 8:42 am 
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Last edited by EJFoeth on Sun Jul 08, 2018 3:22 am, edited 1 time in total.

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PostPosted: Sat Jul 07, 2018 11:29 am 
Fear of water is the literal translation of hydrophobic.

Love of water is the literal translation of hydrophilic.


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PostPosted: Sun Jul 08, 2018 1:55 am 
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But the literal translation is not helpful regarding the characteristics of the sub coating ;)

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PostPosted: Sun Jul 08, 2018 3:20 am 
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PostPosted: Sun Jul 08, 2018 8:33 am 
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@ EJFoeth: Why you removed your explanation? That was very interesting!

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PostPosted: Sun Jul 08, 2018 2:47 pm 
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I tried editing on my phone and lost patience :heh:


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PostPosted: Tue Jul 10, 2018 12:34 am 
Metaphorically:

Oil fears water, therefore it will not mix with it.

On the other hand, alcohol loves water, it mixes readily with water.


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