Joe HeafnerJul 21, 2023
What is the most innovative STEM textbook you have seen and/or used? What makes it innovative? I want to make sure I’m not missing something great. #ITeachPhysics #ITeachMathematics #ITeachAstronomy #ITeachSTEM
Joe HeafnerJul 6, 2023

The paper by Margaret Stautberg Greenberg in the July AJP ticks all the boxes for me. It’s the marriage of everyday observational astronomy, theoretical astronomy, astro/phys education, mathematics, and computation. #ITeachAstronomy #ITeachMathematics #ITeachPhysics #Mathematics #Computation

https://pubs.aip.org/aapt/ajp/article/91/7/519/2897366/Using-rotation-matrices-to-calculate-the-locations

Using rotation matrices to calculate the locations of sunrise and sunset, the hours of daylight, observed path of the Sun, and its elevation angle for any latitude

During the course of one year, I photographed 95 sunrises along the east bank of the Columbia River from my home on the west bank in Richland, WA (46.3° N latit

AIP Publishing
Joe HeafnerApr 11, 2023
Cummings' real analysis text begins with sets. I remember learning about sets many, many years ago in elementary school (I think). I had no idea they were so foundational in formal mathematics. #ITeachMathematics
Joe HeafnerApr 6, 2023
Just discovered the series of math methods books by John Bird. I’ve never heard of him before. #ITeachPhysics #ITeachMathematics
Joe HeafnerJan 26, 2023

How many meanings does "affine" have in mathematics? So far I've seen affine coordinate systems, affine vector spaces, and affine differential equations.

#ITeachMathematics #Mathematics