Why Lissajous Figures?
Lissajous figures may be drawn by moving some type of marking tool back and forth in one direction with… [more]
Group Theory and Indigenous People
The mathematics of Group Theory arises in so many contexts! Not all of them are expected. The kinship… [more]
Compute Integrals by Taking Derivatives!
When I first learned this technique in undergraduate Quantum Mechanics at the University of Minnesota… [more]
Descartes sank my battleship? Well, not exactly. But, the Cartesian coordinate system is very useful… [more]
Review: Lost in School by Ross W. Greene
I immensely enjoyed the narrative portions of this book. Ross Greene does an exceptional job showing… [more]
Book Review: Descartes' Secret Notebook by Amir D. Aczel
Descartes' Secret Notebook by Amir D. Aczel was thoroughly enjoyable. Even if mathematics is not your… [more]
Book Review: The Fly in the Cathedral by Brian Cathcart
I thoroughly enjoyed this historical book about Cockcroft and Walton and the first time an atomic nucleus… [more]
Book Review: Learning to Love Math by Judy Willis, MD
I just bought the book Leaning to Love Math by Judy Willis MD. The reason I bought it is because I… [more]
ChemSketch for Science Teachers
When teaching Chemistry or Biology (Living Environment, etc.) the preparation of professional-quality… [more]
Custom Chemical Storage Shelving
While overall I found myself with excellent lab facilities I found the shelving in one storage cabinet… [more]
Laboratory Safety with Flinn Scientific
It doesn't matter how much time you have spent in a chemistry lab, when you are the one who is responsible… [more]
Emergency Chemical Spill Center
Shown is an image of the Emergency Chemical Spill Center that I created for a high-school chemistry lab. … [more]
I choose to teach!
Our culture is the exponentially growing collection of knowledge and invention that we pass from one… [more]
Why is my logo an apple with a funny diagram on it?
I wanted an attention-grabbing logo for my web site, but it had to be reasonably simple. I merged a… [more]
Explore Particle Physics
symmetry dimensions of particle physics I, Dr. Rob, am a particle physicist. While theoretical… [more]