TOOLS TO MEET OUR NEEDS We create tools to work for us: to dig foundations, to hoist steel girders for bridges, to record our words and thoughts for others or capture a likeness of another in a silver emulsion of an early photograph. Over the course of history, need drives those who make things to meet those needs by building tools to do the work. It is just who we are–two-thumbed, bipedal, big-brained inventors who get things done. And at every turning point when …

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