Related topics: optical fiber

The shape of a bird's wing determines where it lives

Bird's wings generally become shorter and more rounded the closer they live to the equator. Birds with smaller wings are to a greater extent restricted to stay in the same area, because their wings have not evolved for long ...

Where are the foreigners of the first international age?

The Bronze Age in the eastern Mediterranean has long been considered by researchers to have been the 'first international age,' especially the period from 1600-1200 BC, when powerful empires from Anatolia, Mesopotamia, and ...

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