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Gustav Hertz
Gustav Hertz (1887 - 1975) demonstrated the relationship between series of spectral lines and the energy losses of electrons in collision with atoms. He received the Nobel Prize for Physics in 1915 ...
Johannes Robert Rydberg
Johannes Robert Rydberg (1854 - 1919) most important work is on spectroscopy where he found a relatively simple expression relating the various lines in the spectra of the elements (1890).
Seyfert Galaxies
The key to classifying a galaxy as a Seyfert Galaxy is the presence of broad emission lines from the bright, star-like nucleus. They are often strong radio and infrared sources. The first such active ...
James Clerk Maxwell
James Clerk Maxwell (1831 - 1879) is regarded by most modern physicists as the greatest scientist of the 19th century. His work included the formulation of electromagnetic theory based on Faraday's ...
How Phone-line Networking Works
A brief description of how Phone-line Networking works from HowStuffWorks.com. Considers advantages of different networking solutions, including using existing phone lines and wireless networks.