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Electromagnetic spectrum - Wikipedia
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.. The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 10 25 hertz, corresponding to wavelengths from thousands of kilometers down ...
Electromagnetic Spectrum - HyperPhysics Concepts
The Electromagnetic Spectrum Click on any part of the spectrum for further detail.
Electromagnetic Spectrum : The electromagnetic spectrum covers a wide range of wavelengths and photon energies. Light used to "see" an object must have a wavelength about the same size as or smaller than the object.
Science - NASA
Explore a universe of black holes, dark matter, and quasars... A universe full of extremely high energies, high densities, high pressures, and extremely intense magnetic fields which allow us to test our understanding of the laws of physics.
The Electromagnetic Spectrum Video Series ... - Science
This unique NASA resource on the web, in print, and with companion videos introduces electromagnetic waves, their behaviors, and how scientists visualize these data.
Electromagnetic spectrum - Types of electromagnetic waves ...
An easy-to-understand introduction to the various kinds of electromagnetic radiation, from light to ultraviolet, infrared, X-rays, and gamma rays.
The Electromagnetic Spectrum - Gamma Rays, X-rays ...
This webpage describes the electromagnetic spectrum, including gamma rays, x-rays, ultraviolet light, visible light, infrared light, microwaves, and radio waves.
Andy Darvill's Science site: Home
This site gained the first "Outstanding" award for a web site from Educate Online, January 2000
Visible spectrum - Wikipedia
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light.
Introduction to the Electromagnetic Spectrum
The Electromagnetic Spectrum Overview continued Curriculum Overview: Introduction to the Electromagnetic Spectrum In the matter of physics, the first lessons should contain nothing but what is