> Seems questionable that Rayleigh would have known that oil molecules are hydrophobic on one end and hydrophilic on the other. That's not a true thing, so it

> Seems questionable that Rayleigh would have known that oil molecules are hydrophobic on one end and hydrophilic on the other. That's not a true thing, so it kinda doesn't matter. Surfactants (soaps, emulsifiers) have hydrophobic and hydrophilic ends. Oils are just straight up hydrophobic and nonpolar and don't have a water-loving end.