The World’s Most Annoying Negative Sign

TL;DR If you want a quick way to gauge whether or not students understand the concept of potential energy, you can ask them to explain the origin of The World’s Most Annoying Negative Sign. It is merely a consequence of the very definition of potential energy, which is almost never explained coherently. In all of […]

Different Test or Assessment Questions

TL;DR In this pandemic year, cheating has been a major concern. One way of mitigating its effect is to ask questions beyond the traditional “Calculate…” type of physics problem. I present a list of possible questions that can’t be easily searched online and even if they’re found the answers are not as likely to be […]

The Hypocrisy of Traditional Tests

TL;DR Traditional tests require students to work a few (hopefully) appropriately chosen, illustrative problems to demonstrate proficiency. What does it matter if they do these few problems early in the semester or later in the semester? What does it matter if they do them with us watching or not? What makes one essentially random problem […]

A New Model for Academics I

TL;DR It is time for academics, particularly those in a community college environment, to define a brand new model for teaching and learning that has the same status as private practice for medicine, law, art, healthcare, consulting, and numerous other occupations. The community college environment has become so disorganized and complicated due to mission creep […]