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.
The Misfit and the Grandmother in Flannery Oâ Connor's A Good Man is Hard to Find - âA Good Man is hard to find,â a short story written by Flannery Oâ Connor, is one of the most interesting stories Iâve ever come across to in my life. Good Man Is Hard To Find-Flannery O'Connor's short story collection A Good Man is Hard to Find has many elements of a southern gothic work. Images of ancient castles with sliding panels create suspicious themes and settings that lead the readers into the dark and gloomy world of the southern United States.