Humidity and the Tropic of Capricorn

Humidity is often high along the imaginary circular line which is the Tropic of Capricorn . As I write it is  86% humidity  in Campinas, Brazil. In Phoenix,  AZ, where I was a week ago humidity is just 27%. Why should I notice or care about the difference? I notice and care because the paperContinue reading “Humidity and the Tropic of Capricorn”

The Tropic of Capricorn is on the move

Most folks probably know this already but the Tropic of Capricorn (TofC) moves about 15 meters north every blessed year, just when I’d started to think some things are constant.  This fact has something to do with earth’s tilt as it orbits the sun…it’s really far beyond my reckoning. These seeds and pods were on theContinue reading “The Tropic of Capricorn is on the move”