In "Machine that Saved the World" by Murray Leinster, the story unfolds in the far future of 1972, where Staff Sergeant Bellews grapples with mysterious broadcasts from space that wreak havoc on Earth’s technology. As these sinister signals destroy transmitters and disrupt his machines—once capable of learning and improving over time—Bellews is drawn into a conflict that challenges the very essence of human ingenuity and reliance on technology. This tale resonates today as it explores themes of technological dependency and the unforeseen consequences of innovation, reminding us of the delicate balance between progress and peril.