A novel changes my perception of radio waves

By Robert W. Lucky

As an engineer, I found the current best-selling novel All the Light We Cannot See nostalgic and thought provoking. The story is about a young German boy, Werner, and a blind French girl, Marie-Laure, during the German occupation of France in 1939.

Before I read the book I assumed that the title had to do with the blindness of Marie-Laure, but instead the title refers to radio waves, as illustrated by this passage from the book: “What do we call visible light? We call it color. But the electromagnetic spectrum runs to zero in one direction and infinity in the other, so really, children, all of light is invisible.”  …[Read more]