"hidden workings" is a correct and usable phrase in written English.
It refers to the internal mechanisms or processes that are not easily seen or understood. Example: "The scientist was fascinated by the hidden workings of the human brain, conducting countless experiments to unravel its mysteries."
These strange composites echo the complicated, hidden workings of human memory, in which moments many decades apart sit side by side, or one on top of the other, oblivious to the passing of time.
Faces appear, dissolve and disappear again and technology renders the apparent hidden workings of the human body.
Occasionally over the years, the hood on the climate denial machine has been lifted to reveal its hidden workings.
Glaeser, a Harvard economist, travels through history and around the globe to explain the hidden workings of cities and the role of urban density in fostering human achievement.
Troemel gravitated toward artists whose work falls under the label of institutional critique, which takes as its subject the hidden workings of the art world itself.
His lesson didn't enlighten me about the hidden workings of a ten-dimensional "shadow universe" where enigmatic particles, some of them hypothetical, like Wino and Zino, have the names of space creatures from a children's book.
Instead, citizens have been treated to a puzzling shell game one that seems designed to hide the workings of a signature piece of economic policy from the public.
They relied on thermoresistors, or devices that change electrical resistance with temperature, or infrared radiation to measure temperature, and their inner workings were hidden behind a plastic case and a digital display.
I really think the author needs to use an alternative and more direct method to support each of the conclusions, since much is hidden by the inner workings of the decoder.
Windows 7 and 8 now employ several different techniques that hide the internal workings of the operating system from attackers.
As much as Web sites try to hide their inner workings from hackers, some pages reveal information in signs as subtle as how quickly they load.
