Author Archives: Andy "SuperFly" Rundquist

About Andy "SuperFly" Rundquist

Professor of physics at Hamline University in St. Paul, MN

Homework in Standards-based grading

One of my biggest struggles last year teaching general physics 2 (calc-based) using Standards-Based Grading was my inability to convince students to practice problem solving. On the first day when I was laying out my philosophy someone said “so there’s … Continue reading

Posted in syllabus creation | 9 Comments

Rugby ball bouncing

A friend of mine was telling me that when you play rugby, you can count on the ball bouncing up nice and high for you every third bounce. He showed me in the gym how that’s basically true and I’ve … Continue reading

Posted in mathematica, physics | 1 Comment

How to drill a well

In one of my courses this semester students were learning about the coriolis and centrifugal forces that things seem to experience on the earth. There’s a problem at the back of the chapter that asks when a dropped rock would … Continue reading

Posted in mathematica, physics, teaching | 7 Comments

In class versus screencast

Something happened in class on Friday that I wanted to get down before I forgot about it. It’s a good follow up to my last post about the value of class time. On Fridays we do a review of the … Continue reading

Posted in syllabus creation, teaching | 1 Comment

Back flip doesn’t help students who miss class

In my Theoretical Mechanics course the other day we were talking about noninertial forces (like centrifugal and coriolis forces) on the surface of the earth. We did all kinds of examples related to weather, cannons, and cars driving. However, we … Continue reading

Posted in sbar, sbg, syllabus creation | 8 Comments

Genetic algorithm for randomizing oral exams

I’ve written before about using genetic algorithms to solve problems, but I wanted to show how flexible they can be by writing here about how they helped me this week. My problem was that I wanted to assign standards to … Continue reading

Posted in mathematica, syllabus creation | 8 Comments

Stepper motor with Arduino motor shield

We have a bunch of Ardunio-brand motor shields and I wanted to jot down what it took to drive a stepper motor with them. The documentation really only tells you how to hook up DC motors, though it does say … Continue reading

Posted in arduino | 1 Comment