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S1 F1 – The Battle for Steel Supremacy
15. September 201244 Min.Steel is a powerful material. Without steel, neither knives, forks, pans and many tools would exist, nor would cars, bridges or electricity. Steel is a symbol of technological progress. Although today's technical standard is very high, the casting of steel remains a challenge of its own.Als Kauftitel verfügbarS1 F2 – The Triumph of the Turbojet
22. September 201243 Min.In the 21st century boarding an aircraft and flying from one place to another is an everyday feature of a highly mobile society. But only eighty or so years ago that is something no-one could have imagined. It took two ingenious inventors to revolutionize aviation: Englishman Frank Whittle and German engineer Hans-Joachim Pabst von Ohain.Als Kauftitel verfügbar