Building on his work on the Difference Engine, Charles Babbage designed the Analytical Engine in London, a more sophisticated mechanical computer that incorporated many features of modern computers, including an arithmetic logic unit, control flow in the form of conditional branching and loops, and integrated memory. Ada Lovelace, a mathematician and writer, wrote an algorithm for the engine, making her the first computer programmer. However, like its predecessor, the Analytical Engine was never built due to a lack of funding and the immense complexity of the project. Babbage died a bitter man, his vision unrealized.

The Analytical Engine has had a profound impact on literature and poetry, serving as a symbol of the potential and the danger of machines. Ada Lovelace's role as the first programmer has made her a feminist icon, and her story has been celebrated in poetry and drama. The engine itself appears in the works of William Gibson and other cyberpunk authors, but its influence extends to poetry as well, with poets exploring themes of artificial intelligence, computation, and the nature of reality. The engine's failure to be built in its own time makes it a powerful metaphor for the gap between idea and reality.