Category Archives: Uncategorized

Add Codes and Crashing Classes

The weeks before classes start is one of the most annoying times for professors. We get tons of emails, and most of them involve enrollment in classes. These are the top two questions: The semester hasn’t started. I tried to enroll in your class, but it’s full! Can I have an add code? I really need… Read More »

The Reason Trains Have Angled Wheels Is Incredibly Clever

The next time a subway car or commuter train rolls into the station, try to sneak a quick peek at its large metal wheels. You’ll notice that instead of being perfect cylinders, they’re actually angled. It’s a deliberate and clever design choice that allows your train to roll around corners without flying off the tracks.… Read More »

Confirmation Bias and the Rise of “Alternative Facts”

It’s an interesting climate that we live in these days, where “alternative facts” seem to rule over all else. Where does this come from? One would think that scientific evidence is all a person would need to understand real truths. The situation can be a bit more complex than that, as many people selectively choose arguments… Read More »

The Importance of Stupidity

All too often, we scientists and engineers feel that we must know everything, and if we don’t, we’re somehow lacking professionally. The truth is — and you can ask my parents if you need further verification — the smartest I ever felt was when I was in middle school. My world view was pretty limited, and what… Read More »

Trees and Wind

This research shows that all trees break at a critical wind speed. http://physics.aps.org/synopsis-for/10.1103/PhysRevE.93.023001