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Why airplane windows are round, not square — the 1954 disasters that killed 56 people and changed aviation forever

The de Havilland Comet was the world’s first commercial jet airliner — a 1949 ...
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This is why plane windows are round

Today, all passenger windows on aircraft are round or a form of rounded rectangle. No windows have sharper edges. It wasn't always this way with the first jet-powered airliners featuring square ...