Maxwell’s Equations and the Wave Equation

Rhett Allain
11 min readApr 12, 2023
Photo: Rhett Allain. Maxwell’s Equations and the Wave Equation

There’s a bunch of math here, but it’s kind of a big deal. In short, it shows something really important — that light is an electromagnetic wave.

Well, let’s just get to it.

Maxwell’s Equations

I’m going to give my very brief review of Maxwell’s equations. Really, you spend one whole semester of physics just getting to this…

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Rhett Allain

Physics faculty, science blogger of all things geek. Technical Consultant for CBS MacGyver and MythBusters. WIRED blogger.