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A Norwegian musician set out to find micrometeorites—specks of space dust
              that fall to Earth. The dust specks he found will help scientists learn more about
              the universe. In this image, micrometeorites are seen through a scanning
              electron microscope.


              for enemies to interfere with the guidance, the signal would hop
              through different frequencies. She and her collaborator, Holly-
              wood composer George Antheil, got a patent for the idea, which
              would later become known as spread spectrum. Today it allows
              communications technology such as Wi-Fi, Bluetooth, the Global
              Positioning System (GPS), and more to work without interference.


              Passion and Enthusiasm
              Today passion and enthusiasm may lead an amateur to become
              an expert in just about any field, even without a formal scientific
              education. These amateurs educate themselves along the way,
              learning mainly from experience. When Jane Goodall first entered



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