Elias froze. Behind him, the heavy security door of the archives—which required a biometric scan and a physical key—audibly unlatched. A soft, rhythmic dragging sound started in the hallway.
“Now that the file is open, the movement has begun. Do not look at the door.” m1.pdf
The PDF didn't contain physics equations or diagrams of pulleys and levers. Instead, it was a high-resolution scan of a handwritten journal from 1922. The script was frantic, bleeding off the edges of the page. Elias froze