cheap coal industry water power mills

Coal freed factories from the need to stand beside rivers

Early factories powered by waterwheels had to be located near rivers with suitable flows. Steam engines fueled by coal allowed manufacturers to generate mechanical power in many more places. Factories could move closer to workers, customers and transport networks, helping reshape the geography of industrial cities.

Something can affect behavior without entering awareness

In some experiments, a stimulus changes what a person does even when the person says they did not consciously see or notice it. Under some conditions, the effect can even become stronger as conscious identification gets worse. What affects behavior and what reaches awareness are not always the same.

Madagascar was settled by sailors from across the Indian Ocean

Madagascar lies just off Africa, yet some of its earliest settlers came from Southeast Asia. They crossed thousands of kilometers of open ocean roughly 1,500 years ago. Their descendants helped shape the island’s language and culture, which still preserve strong connections to Southeast Asia.

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cheap coal industry water power mills

Coal freed factories from the need to stand beside rivers

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