This boundary is known as the Bullen discontinuity, or sometimes as the Lehmann discontinuity. A few years later, in 1940, it was hypothesized that this inner core was made of solid iron; its rigidity was confirmed in 1971. The outer core was determined to be liquid from observations showing that compressional waves pass through it, but elastic shear waves do not â or do so only very weakly.
Flannery Literary is a Chicago area literary agency representing writers of books for children and young adults because the most interesting, well-written, and time-honored books are written with young people in mind.
Flannery O'Connor, Some Aspects of the Grotesque in Southern Fiction (1960). I think that if there is any value in hearing writers talk, it will be in hearing what they can witness to and not what they can theorize about.he great novels we get in the future are not going to be those that the public thinks it wants, or those that critics demand. They are going to be the kind of novels that interest the novelist. And the novels that interest the novelist are those that have not already been written.