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Open Curriculum
Open Curriculum: Relativity and Magnetism
Understand and learn about the properties of space and time and the concept of relativity.
Open Curriculum
Open Curriculum: Electromagnetism
This article helps explain the concept of electromagnetism as well as magnetic fields and the properties of the speed of light.
Khan Academy
Khan Academy: Light: Electromagnetic Waves, Electromagnetic Spectrum and Photons
This article discusses the properties of electromagnetic radiation and photons.