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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
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.
