Let's talk about foam.

You know, all day.

Ever been to a foam party? Me neither. Looks fun though, right?

https://cdn.vor.us/event/289791/og/9895ae4553614c939fc40111d93fa77b.image!jpeg.464015.jpg.FoamFest4.jpg

And for the boffins amongst us, the science part.

http://www.scienceofhealthyskin.org.uk/foamQuiz.cfm

More foam here

http://www.thomasnet.com/articles/plastics-rubber/foam-information