[quote=@Zeal] Can we please cool down...there's no reason to create an argument of something like that. [/quote] I don't see the need for an argument, either. [quote=@whizzball1] Well, more like he wanted to teach a class on it. The textbook publishers said there were no such textbooks and then asked him to write it. And he has certifications and often blogs about the subject and his forays into teaching. He's a huge fan of MLP. [/quote] PMing, then. I didn't figure that "Wow" was against me, but meh. 'Tis a sad day when ponies get put into physics textbooks.