2500 years??
Who was collecting data about sunspots then?
Algore??
Too many liberal RATs graduating engineering and giving it baaaad name!
I wager it's not rats graduating engineering, but rather rats graduating poli sci and education, and oozing forth with informed-sounding pronouncements on engineering and hard science issues.
You'd be shocked (well, probably not) at how many people take seriously the opinions of a PdD in Education (or a JD) on the subjects of chemistry, thermodynamics, or economics.
It's repulsive.