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London Bridge, any of several successive structures spanning the River Thames between Borough High Street in Southwark and King William Street in the City of London. The Old London Bridge of nursery rhyme fame dates from 1176, when Peter of Colechurch, a priest and chaplain of St. Mary’s of Colechurch, began construction of the foundation. Replacing a timber bridge (one of several built in late Roman and early medieval times), Peter’s structure was the first great stone arch bridge built in Britain. It was to consist of 19 pointed arches, each with a span of approximately 7 metres (24 feet),
Recent improvements in artificial intelligence have generated speculation about whether, someday soon, the way that new technologies are developed may be fundamentally altered. Contemplating the possibilities of such a novel paradigm shift in one of the key drivers of longrun prosperity is challenging but also extremely important. Examining historical experience can provide one tool, albeit limited, through which we can approach difficult questions about the future. As we consider the potential consequences of future changes in the process of technology development, it can be useful to search for similar changes in the past. Of course, history does not repeat itself. Historical experience can, however, provide perspective, a fixed point of reference that can be useful as we navigate into an uncertain future.