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1108

Which got wrecked worse by Lake Superior? Tom Fitton or the Edmund Fitzgerald? (lemmy.world)

submitted 1 day ago by [email protected] to c/[email protected]

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[–] [email protected] 17 points 8 hours ago (1 children)

https://en.wikipedia.org/wiki/Wetting

Wetting is the ability of a liquid to displace gas to maintain contact with a solid surface, resulting from intermolecular interactions when the two are brought together.[1] These interactions occur in the presence of either a gaseous phase or another liquid phase not miscible with the wetting liquid.

[–] [email protected] 10 points 7 hours ago (1 children)

Fair enough. I was not expecting something I could not understand

[–] [email protected] 13 points 7 hours ago (1 children)

Basically, the process of making something wet requires a liquid (usually water) to actually stick to it, through intermolecular forces. That's slightly more narrow a requirement than the "needs to touch water" that's commonly thrown around. A lotus flower or water repellent jacket doesn't get wet, even if you spray water on it, the droplets don't actually stick to the surface.

Now, water molecules stick to each other as well, that's called surface tension. But wetness, at least in physics, is defined at an interface between two mediums, a liquid and a solid, or two liquids that don't mix

[–] [email protected] 3 points 7 hours ago

I learned something new today