November 29, 2023

I choose to teach!

apple web size copyOur culture is the exponentially growing collection of knowledge and invention that we pass from one generation to the next.  Science and mathematics are especially rich components of our culture with millenia of contributions from many cultures and all regions of the globe.  Unlike other forms of inheritance which must be subdivided and are often distributed with inequity, this inheritance is the birthright of every person, and every person may consume as large a share as he or she would wish. Our world is one of science, mathematics and technology; literacy in these areas is essential for any individual who is to be engaged with and empowered in our world.  The curriculum is a subset of this inheritance which is distilled down and shared with students in the environment we call school.

The America that we know today was built by those who left their homelands because they were not first-born sons  and therefore had very limited birthrights.  Others came from situations where even first-born sons had few if any prospects.  With an education in America a person has prospects to not only survive but to thrive and to provide for children.  But if we measure the value of an education solely in terms of economic benefit, then we ignore the greater part of its value.Owl Box

In times past you might have been a  carpenter because  your father was a carpenter whether or not you were well suited for that occupation.  You might have been a mother and a housekeeper because it was expected,  but even learning to read was not a possibility.  Perhaps you would have been a field hand because that was the only option available.  Carpentry, parenthood  and farm work  are all important roles, and they bring joy to those who choose them.  However, with education you may choose to be a nurse, or a doctor or a software engineer because  the work suits you well.  And along the way you may sculpt your own identity;  you need not accept the identity that others force upon you.

Students do not always appreciate the awesome value of this cultural inheritance, so  a primary function of the teacher is to help the student understand the meaning of the curriculum with respect to the life of the student.  Once the student is engaged the teacher serves as  a guide.  Success is  achieved when the student is  able to function as the most important person in his or her own education.  A successful education system produces graduates who are life-long learners that are able to learn and grow with or without formal schooling.   I teach as a matter of social justice. I teach to empower students. I teach so that students may understand their world, be part of it, contribute to it and reap its rewards.  I teach because the rewards of working with students greatly outweigh the economic remuneration that comes with teaching.

Call Me Dr Rob logo

Why is my logo an apple with a funny diagram on it?

Call Me Dr Rob logo

I wanted an attention-grabbing logo for my web site, but it had to be reasonably simple. I merged a few different physics concepts, and this is what resulted. It’s not really important for everybody to understand what it means to me.

I started with an apple. That much might be obvious as many people know the story about Isaac Newton. He made the incredible leap that the motion of a falling apple and the motion of stars and planets are determined by the same force called gravity.

The diagram drawn on the apple is slightly distorted due to the curvature of the surface of the fruit. This is suggestive of Albert Einstein’s General Theory of Relativity which describes gravity as the warped geometry of space-time. I actually got that idea from staring at the cover of Gravitation by Misner, Thorne and Wheeler.

The diagram itself is a Feynman diagram from Quantum Field Theory describing the interaction of three photon-like particles through the exchange of electron-like particles. The numeric value of this diagram is actually infinite, and it would indicate that the various components of the Standard Model of Elementary Particle Physics should fail. However, the contributions of the Electromagnetic, Weak Nuclear and Strong Nuclear forces conspire in such a way that the offensive infinities cancel exactly.

This very strongly suggests that the parts combine in a unified theory and is the basis of the idea of the Grand Unified Theory (GUTs). While such theories have not yet been experimentally successful it is generally believed that unification is manifest, and eventually gravity will be part of the unified theory, and we return full-circle to gravity.

In brief, this image represents to me the past, present and future of physics.

While the concept is mine, I wanted help from an artistic person who could go far beyond my white-board doodling. I thank Sharon Neveu for her excellent work!


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