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Moreover, the oldest airline is KLM, the Koninklijke Luchtvaart Maatschappij voor Nederland en Koloniën (Royal Airline for the Netherlands and Colonies). It began operations in 1919 and in 1920 operated the first commercial flight from Amsterdam to London. Back then, the cabins weren't closed, so the planes flew low. After World War II, cabin pressure systems were developed. And development has not stopped since then.
Scottish engineer James Watt presented the first steam engine in 1769. However, the origins of the steam engine go back many centuries where water vapor could be used to move things was illustrated by Heron of Alexandria, a 1st-century Greek inventor, who wrote a treatise describing the machine called an aeolipile which basically consisted of a sphere into which he had put water and a pair of injectors located in opposite directions. Steam Engine
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Highlights

From the Editor - Ruchika Rawan

From the Editor - Ruchika Rawan

The Inventions that have changed the world

The Inventions that have changed the world

‘The War of Currents’ - Thomas Alva Edison Vs Nikola Tesla

‘The War of Currents’
- Thomas Alva Edison Vs Nikola Tesla

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