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    In 1843 Delany founded one of the earliest African American newspapers, the Mystery, devoted particularly to the abolition of slavery.Proud of his African ancestry, Delany advocated unrestricted equality for African Americans, and he participated in conventions to protest slavery.The tools we use and the things we wear are a big part of what separates us from other animals.Some objects are archetypal of human civilization all over the world.Background We think of a battery today as a source of portable power, but it is no exaggeration to say that the battery is one of the most important inventions in the history of mankind.

    Pioneers It is often overlooked that throughout the nineteenth century, most of the electrical experimenters, inventors and engineers who made these advances possible had to make their own batteries before they could start their investigations. the World was starting to emerge from the Stone Age. C., Mesopotamians (from modern day Iraq), who had already been active for hundreds of years in primitive metallurgy extracting metals such as copper from their ores, led the way into the Bronze Age when artisans in the cities of Ur and Babylon discovered the properties of bronze and began to use it in place of copper in the production of tools, weapons and armour.

    Martin Delany was born free in Charlestown, Virginia, on May 6, 1812.

    His parents traced their ancestry to West African royalty.

    Jewelry is interesting in that it has no value that isn’t social—it doesn’t keep us warm or help us find food.

    The earliest example of people displaying decoration for its own sake is from 100,000 years ago.

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