Engineering the City: How Infrastructure Works : Projects and Principles for Beginners
How does a city obtain water, gas, and electricity? Where do these services come from? How are they transported? The answer is infrastructure, or the inner, and sometimes invisible, workings of the city. Roads, railroads, bridges, telephone wires, and power lines are visible elements of the infrastructure; sewers, plumbing pipes, wires, tunnels, cables, and sometimes rails are usually buried underground or hidden behind walls. Engineering the City tells the fascinating story of infrastructure as it developed through history along with the growth of cities. Experiments, games, and construction diagrams show how these structures are built, how they work, and how they affect the environment of the city and the land outside it.
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19th century acid rain ADULT SUPERVISION RECOMMENDED ancient aqueducts aquifers arch bridges Archimedes screw beam bridge boats bottom brass fasteners building built burned cable-stayed bridges cables canal carbon cardboard cars catenary city’s coal compression connect create cross deck disc dowel dump earth edge Egyptians electricity engine feet Figure flow friction garbage gases glass glue groma ground heat hole horizontal inches Infrastructure Activities invention lake land landfill layer light lines litmus paper magnetic MATERIALS Mediterranean Sea miles mountain moving needed ocean paper pipes plants pollution problem pull push rail railroad recycling reservoir river roads Roman sewage sewers shape sheet soil span steam steel stone string surface suspension bridges tape Thomas Edison tongue depressors towers town track train Transcontinental Railroad truss tube tunnel underground vibrations voussoirs weight wheel wires wood