Stories play a huge role in learning. Our brains suck them up. We should use stories in physics lessons. In … More

Recently, I have written about the importance of frequent problem solving for physics students. Thomas Kuhn, the philosopher of science, wrote … More

The more abstract a concept is, the less useful learners find definitions or explanations. There is no lightbulb moment. Rather, our … More

In my last flurry of blogs (here, here and here), I wrote about the limits of definitions for learning . … More

Current is a nice simple word; it means the rate of flow of charge. So you need to explain rate … More

Yesterday I wrote about electric charge and its confusing meanings (here). I had intended to write about voltage and current … More

My heart has never been in definitions. It was set against them in Africa 20 years ago, when I was … More

If you haven’t heard of comparative judgement (CJ), it is the latest fashionable way for judging the quality of student … More