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Ancient Technologies: Innovations of the Past, Lecture notes of Welding Technologies

Discover the ingenious technologies that shaped ancient civilizations, from the wheel and aqueducts to early metallurgy and irrigation systems. These innovations laid the foundation for modern engineering and continue to inspire technological advancements today.

Typology: Lecture notes

2023/2024

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Kinds of Technologies
people use hundred
years ago
A century ago, the world was experiencing a period
of rapid technological advancement and
innovation. Here's a glimpse into some of the
technologies and methods people used around the
1920s.
Electricity
- By the 1920s, electricity had begun to
transform daily life. Many suburban homes
were wired for power, and new electric gadgets
like vacuum cleaners and washing machines
became commercially available.
Communication
- The telephone was becoming a common
fixture in homes, and radio technology was in its
pf3

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Kinds of Technologies

people use hundred

years ago

A century ago, the world was experiencing a period of rapid technological advancement and innovation. Here's a glimpse into some of the technologies and methods people used around the 1920s.

  • Electricity
    • By the 1920s, electricity had begun to transform daily life. Many suburban homes were wired for power, and new electric gadgets like vacuum cleaners and washing machines became commercially available.
  • Communication
    • The telephone was becoming a common fixture in homes, and radio technology was in its

infancy, setting the stage for regular broadcasts in the years to come

  • Transportation
    • The automotive industry was revolutionized by Henry Ford's Model T, introduced in 1908, making cars affordable for the masses. The era also saw the rise of airships and the continued development of aviation following the Wright Brothers' first powered flight in 1903
  • Chemistry
    • Advances in chemistry led to the introduction of electric refrigerators and air-conditioning units. Neon lighting debuted in Paris, changing advertising forever.
  • Medicine
  • Significant medical breakthroughs included the discovery of insulin and penicillin, which are still crucial today.
  • Household Items
  • Everyday items that were new or gaining popularity included Bakelite plastic, escalators, teabags, cellophane, instant coffee, and disposable razor blades.