I have emphasized experiments more than theory. Of course, we need some theory when thinking of soft matter.
Surfactants allow us to protect a water surface and to generate these beautiful soap bubbles, which are the delight of our children.
Usually a fiber, after being dipped in a liquid, shows a string of droplets, and thus, for some time, people thought that most common fibers were non-wettable.
What do we mean by soft matter? Americans prefer to call it 'complex fluids.' This is a rather ugly name, which tends to discourage the young students.
For un-subscribe please check the mail footer.