Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

Let's explore some common examples of potential energy curves and what they tell us about the motion of an object: ...

If you’ve been making the same commute for a long time, you’ve probably settled on what seems like the best route. But “best” is a slippery concept. Perhaps one day there’s an accident or road closure ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...