Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Viscous fingering occurs when a thinner fluid pushes a thicker, more viscous fluid in a porous medium, like underground rock, ...

Students aren’t necessarily missing the math, they’re missing how to make sense of the problem itself. Once we see ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...