...Sitting with seedlings in his hands in a crowded train, he did not feel cramped, his mind freely floated over ancient Egypt, continuing to think through the details of his discovery. Where were the drums on which the chain was stretched? It’s very simple: one drum is located in a special room (“engine room”) at the top of the pyramid, where it is maintained by a special person. The second drum is right next to the pier. Between them, from top to bottom of the pyramid, a saw is stretched. What force rotates the drum? The answer is obvious: the drum was rotated by the water of the mighty Nile. Here’s the answer, it turned out to be so simple! Nikolai laughed with pleasure. His mother-in-law looked at him from behind a tomato bush. Zinaida Ignatievna flashed her glasses offendedly. Nikolai really wanted to share his discovery, he opened his mouth, but Zinaida Ignatievna interrupted him, saying: “Decency is not in honor now” and began to tell a new story from “Arguments and Facts”...