He looked back at the screen. A final prompt waited for him:

A line of English finally appeared in the middle of the violet void:

The file began to "write" to his surroundings. His bookshelf reorganized itself by the weight of the ideas within the books rather than their size. The air began to taste like ozone and citrus. He realized with a jolt of both terror and wonder that the old version of the world—the one with friction, decay, and predictable physics—was being overwritten.