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The problem of manipulating and controlling things on a small scale is discussed. The question of how to write the entire 24 volumes of the Encyclopaedia Britannica on the head of a pin is examined. The question of how to read it is also discussed, focusing on the need to make the electron microscope more powerful. Other aspects of miniaturization and of making things on a small scale are discussed, including miniaturizing the computer, miniaturization by evaporation, problems of lubrication, and rearranging atoms.<
Note: This document is the transcript of a talk given by Richard P. Feynman on 26 December 1959, at the annual meeting of the American Physical Society (APS) at the California Institute of Technology, and was published as a chapter in the Reinhold Publishing Corporation book, Miniaturization, Horace D. Gilbert, Ed. It is reprinted with the consent of Van Nostrand Reinhold, New York, NY 10003.