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David Sedlák

    Přijímačky v pohodě : příprava na jednotné přijímací řízení SŠ. Matematika
    Přijímačky v pohodě 9: příprava na jednotné přijímací řízení SŠ. Matematika
    Přijímačky v pohodě : příprava na jednotné přijímací řízení SŠ 2024. Matematika
    Water for All
    Water 4.0
    • Water 4.0

      The Past, Present, and Future of the World's Most Vital Resource

      • 352pages
      • 13 heures de lecture
      4,3(34)Évaluer

      Turn on the faucet, and water pours out. Pull out the drain plug, and the dirty water disappears. Most of us give little thought to the hidden systems that bring us water and take it away when we’re done with it. But these underappreciated marvels of engineering face an array of challenges that cannot be solved without a fundamental change to our relationship with water, David Sedlak explains in this enlightening book. To make informed decisions about the future, we need to understand the three revolutions in urban water systems that have occurred over the past 2,500 years and the technologies that will remake the system. The author starts by describing Water 1.0, the early Roman aqueducts, fountains, and sewers that made dense urban living feasible. He then details the development of drinking water and sewage treatment systems—the second and third revolutions in urban water. He offers an insider’s look at current systems that rely on reservoirs, underground pipe networks, treatment plants, and storm sewers to provide water that is safe to drink, before addressing how these water systems will have to be reinvented. For everyone who cares about reliable, clean, abundant water, this book is essential reading.

      Water 4.0
    • A fresh look at the world’s water crises, and the existing and emerging solutions that can be used to solve them

      Water for All