American chemist Charles E. Munroe discovered that cutting a cavity into the face of a high explosive block focuses the explosive energy into a devastating, hyper-velocity jet. This phenomenon, known as the Munroe Effect, took place at Newport, Rhode Island, United States, and laid the foundation for shaped charge technology. It allowed industrial workers to cleanly punch through thick steel or rock using a fraction of the explosive material normally required.

The concept of focusing raw, chaotic power into a singular, piercing point offered a compelling metaphor for late-Victorian and early modernist writers. Poetic works often used the shaped charge as a symbol of human focus and hyper-concentrated intellectual intent.