Category Archives: mathematica

Harmonic drums neural network

I’ve written before about my research group’s efforts at trying to find harmonic drums. One of those students wants to continue that work as a independent study so I’ve been putting some more thought into it. This post is about … Continue reading

Posted in mathematica, programming, research | 2 Comments

Propellers with rolling shutter

I really loved Smarter Every Day’s cool video about propellers shot by digital video cameras: I especially like how he stuck with it over several years! I liked the explanation a lot about why the propellers take on such weird … Continue reading

Posted in fun, math, mathematica, physics, Uncategorized | Leave a comment

Blooming energy

Today I saw that the tree outside my office window had blossomed over the weekend: So I got to wondering how much energy it had used to do that. I asked the question on twitter this tree sprouted over the … Continue reading

Posted in fun, mathematica, physics, technology | 3 Comments

Lasers bouncing inside stuff

I’ve written before about how I sometimes like to imagine what would happen if you shot a laser in a fully mirrored room. Back then I did a bunch of cool stuff with flat walls, mostly by calculating the distance … Continue reading

Posted in fun, mathematica, physics | 3 Comments

Help us crowd-source our drums!

My students have been working hard this summer on a project I’ve talked about before. Here’s the gist: Normal drums aren’t melodic. They have resonant frequencies but they aren’t in a pattern that we think sounds good. That’s why they’re … Continue reading

Posted in mathematica, physics, research, Uncategorized | 1 Comment

Optimal race path

I ride my bike to work so I’m often thinking about the best path to take around corners. I know bike racers and car racers (and bob sledders) are often told to head into a corner wide, then cut the … Continue reading

Posted in mathematica, physics, Uncategorized | 5 Comments

Can a pendulum save you?

I’m so thankful to my friend Chija for pointing out this video for me: Here’s her tweet https://t.co/dE3xMo3lRc can't wait to analyze this video in class! #ilovephysics #soexcited — Chija Bauer (@bauerphysics) January 25, 2016 When I saw it I … Continue reading

Posted in mathematica, physics, twitter, Uncategorized | 3 Comments