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  • James Clerk Maxwell's Theory of Electromagnetic Waves
  • About 150 years ago, James Clerk Maxwell, an English scientist, developed a scientific theory to explain electromagnetic waves. 
  • He noticed that electrical fields and magnetic fields can couple together to form electromagnetic waves.
  • Because neither an electrical field (like the static which forms when you rub your feet on a carpet),
  • .. nor a magnetic field (like the one that holds a magnet onto your refrigerator) will go anywhere by themselves.
  •  But, Maxwell discovered that a CHANGING magnetic field will induce a CHANGING electric field and vice-versa.
  • An electromagnetic wave exists when the changing magnetic field causes a changing electric field, which then causes another changing magnetic field, and so on forever.
  • Unlike a STATIC field, a wave cannot exist unless it is moving. Once created, an electromagnetic wave will continue on forever unless it is absorbed by matter.
  • And that explains my theory on electromagnetic waves!
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