Pebbles to Computers

Please allow 10 working days to process before shippingNavy double knee work pants — 30" inseam 7.25 oz Twill, 65% Polyester / 35% cotton  Pebbles to Computers: The ThreadUsing an exciting synthesis of text and pictures, photographer Hans Blohm and scientist Stafford Beers present a graphic exploration of the connections between prehistoric and antique technologies and those of our modern world. In this inventive book, a Byzantine sun-dial and a modern satellite signal receiver are among the many images that have been chosen to show the 'thread' connecting our efforts down the ages to use and record information. The story of computation emerges as the central theme. By tracing its development from the earliest use of pebbles through the abacus, the slide rule and finally to the most sophisticated modern circuits, the authors present a convincing argument that 'high tech' does indeed go back to the dawn of time. Blohm and Beers have traveled from Stonehenge to the Pyramid of the S