App State Physics and Astronomy students Tyler Foley, Matthew Pegram, and Zachary Jenkins, working with faculty members Brooke Hester and Jennifer Burris, have developed a physics demonstration that uses lasers and shampoo to demonstrate several principles including total internal reflection, electrostatics, and non-Newtonian fluid dynamics (including the Kaye effect). Their design is featured in this month's eddition of The Physics Teacher and is featured on the jounral's front cover. You can read more about it here.