Polo and Galileo Since the art of making fire and creating handcrafted tools, our civilization has come a long way. Science and technology are making advances at an amazing rate. From telephones to the internet, calculators to computers, cars to airplanes, and rockets to satellites, we are submerged in a sea of discoveries and inventions made possible only by the desire to explore. Exploration is one of the oldest and most widespread of human activities. …
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showed last 75 words of 2064 total
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