Freestanding units -- upright appliances about four feet tall that look like hair dryers from "The Jetsons" era -- power the invisible beams of harmless light.
In a testament to the power of the invisible hand, the rough-and-tumble success of the Chinese bus lines is attracting new competitors, and the industry is becoming less dodgy in the process.
Holland (1920), Justice Oliver Wendell Holmes followed this logic to declare that no "invisible radiation from the general terms of the Tenth Amendment" applies to the Treaty Power.
But you have overlooked the invisible yet heavy hand of the Egyptian military establishment, which has controlled the succession of power since Egypt gained its independence in 1952.