Monthly Archives: February 2023

Does the hoop hop?

Posted on February 28, 2023 by Andy Rundquist

I greatly enjoyed this recent video from StandUpMaths: The set up is a hoop with a mass attached at one point. It’s rough so it rolls without slipping. It’s released with some angular momentum with the extra mass starting at … Continue reading →

Posted in general physics, math, mathematica, physics | 1 Comment

Planetary tunnel oscillators

Posted on February 26, 2023 by Andy Rundquist

Pick a point on the earth and start digging. It doesn’t have to be straight down. Keep it straight (careful! it’s harder than you might think) and keep going until you come back to the surface. Ok, now drop a … Continue reading →

Posted in general physics, mathematica, physics, teaching | 2 Comments

Dropping ladders

Posted on February 25, 2023 by Andy Rundquist

My friend Rhett Allain has really got me interested in this ladder drop posted by Veritasium: Here’s Rhett’s awesome explanation: Of course I wanted to see if I could model it with Mathematica, and, after finding I could run Mathematica … Continue reading →

Posted in general physics, mathematica, physics, teaching | 2 Comments

Mathematica for free

Posted on February 23, 2023 by Andy Rundquist

In this post I’m going to try to capture the steps I took today to get a Jupyter Notebook to run Mathematica commands. I did it on a Windows laptop so if you’re on a Mac of Linux you’ll have … Continue reading →

Posted in computational data science, mathematica, programming, teaching | 12 Comments