a moving electron digs a hole through the conductor

Categories: Comparisons

An example of a metaphor used to explain a scientific idea:

"By repelling the clouds of electrons around the positive ions, the moving electron digs a hole for itself as it goes, easing its passage through the solid."

Alan Holden

Holden, A. (1965). The Nature of Solids. Columbia University Press.

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.