70 Years of Electrification: The Evolution of the Berlin Subway The development of the Berlin subway system has been a remarkable journey, marked by significant milestones and technological advancements. In this article, we will delve into the history of the electrification of the Berlin subway, exploring how it has evolved over the past seven decades. We will examine the need for studying and understanding the process of technological evolution, the importance of developing a personal paradigm for perceiving the technological process of developing modern knowledge, and how these concepts can contribute to the survival of humanity and unity in a divided world. A Brief History of the Berlin Subway The Berlin subway, also known as the U-Bahn, was first introduced in 1902, with the opening of its first line. At that time, it was powered by steam engines, which were later replaced by electric trains in the 1920s. The subway underwent significant expansions and improvements throughout the 20th century, with the addition of new lines and the introduction of modern technology. Today, the Berlin subway is one of the most efficient and reliable public transportation systems in Europe, serving millions of passengers daily.

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