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Confederation of Oregon School Administrators: Waves and Their Applications
Every second billions of waves-sound waves, radio waves, light waves-pass through or bounce off our bodies. Over time people have developed technologies that make use of these natural phenomena to accomplish their goals such as creating...
PBS
Pbs Learning Media: The Electromagnetic Spectrum: Frontline
This video segment adapted from FRONTLINE introduces the electromagnetic spectrum and explains how the various types of electromagnetic waves are distinguished by the amount of energy each wave carries.
NASA
Nasa: Imagers: The Electromagnetic Spectrum
NASA site provides information on waves, electromagnetic waves and their wavelengths.
University of Colorado
University of Colorado: Physics 2000: Cat Scans: Projecting Shadows
This page and the three pages which follow discuss how X-ray technology can be used to produce an image of the human body. Discussion is understandable and highly intriguing. Several interactive animations allow the visitor to explore...
The Franklin Institute
Franklin Institute Online: Guglielmo Marconi
Wireless communication was around in the 1800's. Learn about Guglielmo Marconi, his discovery of wireless communication and his rewards.
National High Magnetic Field Laboratory
Magnet Academy: Karl Jansky
Karl Jansky discovered extraterrestrial radio waves while investigating possible sources of interference in shortwave radio communications across the Atlantic for Bell Laboratories, and is often known as the father of radio astronomy....
Oklahoma Mesonet
Oklahoma Climatological Survey: Overview of Radiation
This site details what radiation is, the physics of radiation, and radiative transfer as it occurs in nature. Content explores the electromagnetic spectrum, electromagnetic waves, properties of radiation, and solar radiation.
Florida State University
Florida State University: Nature of Electromagnetic Radiation
This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...
NASA
Nasa: The Inspire Project
An educational site devoted to the study of radio signals in our environment. The project seeks schools, classrooms, and individual students and teachers who are willing to participate in the collection and analysis of radio signal data....
Harvard University
Harvard Smithsonian Center for Astrophysics: 1.2 Meter Millimeter Wave Telescope
Describes the collection of 1.2m millimeter wavelength radio telescopes that are operated by the Millimeter Wavelength Group at Harvard Smithsonian. It details some history of radio astronomy and of the telescope itself, gives great...
California Institute of Technology
Submillimeter Wave Astrophysics at Caltech: Caltech's Submillimeter Observatory
Homepage of a radio telescope operated by Caltech in Hawaii. This radio telescope focusses on submillimeter frequencies. Be sure to look at the General Information link for info on telescope and the Astrophysics link to find information...
National High Magnetic Field Laboratory
Magnet Academy: Lodge's Experiment
Sir Oliver Lodge's experiment demonstrating the first tunable radio receiver was an important stepping stone on the path toward the invention of a practical radio.
TeachEngineering
Teach Engineering: Exploring the Electromagnetic Spectrum
Students learn the basics of the electromagnetic spectrum and how various types of electromagnetic waves are related in terms of wavelength and energy. In addition, they are introduced to the various types of waves that make up the...
Ducksters
Ducksters: Physics for Kids: Types of Electromagnetic Waves
Kids learn about the types of electromagnetic waves in the science of physics including microwaves, infrared, ultraviolet, radio, x-rays, and gamma rays.
NASA
Electromagnetic Spectrum: Ultraviolet Waves
Ultraviolet (UV) light has shorter wavelengths than visible light. Though these waves are invisible to the human eye, some insects can see them. The specific wavelength values are given. Uses and applications of these waves are explained.
Other
Marconi Corporation: Marconi Calling
Read about Guglielmo Marconi's life and his scientific achievements in the realm of radio and communications. Hear wireless transmissions, and use the interactive timeline to see the development and use of Marconi's achievements.
Other
Lee De Forest, American Inventor: The Complete Lee De Forest
An extensive site covering all aspects of Lee de Forest, his inventions, writings, and personal life. Find drawings and pictures of his audion tube and find out about his legacy, especially in the world of electronics.
University of Wisconsin
The Why Files: 3 2 1 Contact, Don't Touch That Dial
A discussion of reflecting telescopes and their use in radio astronomy. The types of information gained from and the research emphasis fueled by such telescopes is described. Site uses Hollywood references and a humorous style.
National High Magnetic Field Laboratory
Magnet Academy: John Daniel Kraus
For a man whose career involved the entire known universe, John Kraus had a remarkably insular upbringing. He was born and raised in Ann Arbor, Michigan, and earned his bachelor's, master's and doctoral degrees in physics, all at the...
Florida State University
Florida State University: Molecular Expressions: Electromagnetic Radiation
This Florida State University page introduces light as an electromagnetic wave and discusses the frequency and wavelength range of the various regions of the electromagnetic spectrum. Includes links to some interactive Java applets.
Sophia Learning
Sophia: Electromagnetic Spectrum: Lesson 2
This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 2 of 4 in the series titled "Electromagnetic Spectrum."
Sophia Learning
Sophia: Electromagnetic Spectrum: Lesson 3
This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 3 of 4 in the series titled "Electromagnetic Spectrum."
Sophia Learning
Sophia: Electromagnetic Spectrum: Lesson 4
This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 4 of 4 in the series titled "Electromagnetic Spectrum."
Sophia Learning
Sophia: Electromagnetic Spectrum: Lesson 1
This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 1 of 4 in the series titled "Electromagnetic Spectrum."
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