This was the last mural of the Hogue/Bywaters series, and is the most contemporary. It represented the Dallas Police Department's fleet of radio equipped cars. The technology was made possible by the electronic vacuum tube.
A significant parallel event in Dallas was the invention of the integrated circuit by Jack Kilby of Texas Instruments in the 1950's. His original patent drawing is shown in the center of the artwork. A technician in a "clean suit" examines a microchip of the 1990's containing hundreds of integrated circuits.
Marie Curie is quoted in the center: "One never notices what has been done; one can only see what remains to be done."