This article presents a detailed timeline of events in the history of computing. For a narrative explaining the overall developments, see the related History of computing.
Stephen White: A Brief History of Computing, http://ox.compsoc.net/~swhite/history. An excellent Computer history site; the above is a modified version of his timeline, used with permission.
... plus sugar yields carbon dioxide plus water plus energy. However, it is important to note that this chemical equation is highly simplified; in reality photosynthesis ...