Gelled propellants are produced from liquid propellants with the addition of gelling agents. They are solid at rest, for example in a tank, and become flowable under the influence of shear stress, as ...

From big voluminous ‘80s perms to short spunky bobs in the ‘90s, Reba McEntire has worn her signature red hair in a variety of styles over the years. But there’s perhaps one style that looks ...