## “The future is already here – it’s just not evenly distributed”*…

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Security, transportation, energy, personal “stuff”– the 2018 staff of *Popular Mechanics*, asked leading engineers and futurists for their visions of future cities, and built a handbook to navigate this new world: “The World of 2045.”

* William Gibson (in *The Economist*, December 4, 2003)

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**As we take the long view,** we might spare a thought for Charles Babbage; he died on this date in 1871. A mathematician, philosopher, inventor, and mechanical engineer, Babbage is best remembered for originating the concept of a programmable computer. Anxious to eliminate inaccuracies in mathematical tables, he first built a small calculating machine able to compute squares. He then produced prototypes of portions of a larger Difference Engine. (Georg and Edvard Schuetz later constructed the first working devices to the same design, and found them successful in limited applications.) In 1833 he began his programmable Analytical Machine (AKA, the Analytical Engine), the forerunner of modern computers, with coding help from Ada Lovelace, who created an algorithm for the Analytical Machine to calculate a sequence of Bernoulli numbers— for which she is remembered as the first computer programmer.

Babbage’s other inventions include the cowcatcher, the dynamometer, the standard railroad gauge, uniform postal rates, occulting lights for lighthouses, Greenwich time signals, and the heliograph opthalmoscope. A true hacker, he was also passionate about cyphers and lock-picking.