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Cassie Newland explores how the steam engine changed the world. She visits Queen Street Mill in Burnley, one of the first factories in the world. In the 19th century, factories like this powered a revolution in Lancashire, transforming it into one of the greatest industrial centres on the planet. Before this, weaving was a cottage industry, but the steam engines changed everything. People were no longer the providers of energy; instead they now operated the machines that could do the job far faster and more efficiently.