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Category Archives: fun
Best bingo board
My son is in the third grade and his math homework is to play games. The other night we played one that really got me thinking. Each player makes a 4×4 board and puts in any even number between 8 … Continue reading
Posted in fun, math, mathematica, parenting, Uncategorized
9 Comments
What does the conducting paper lab teach?
At my school we have a lab for electric fields/potentials where they measure potentials at different locations on a piece of conducting paper that has been attached to a power supply (the + lead and – lead of the power … Continue reading
Posted in fun, mathematica, physics
5 Comments
Evolution of the traveling salesperson
The traveling salesperson problem is a relatively famous math/geometry/computer science problem. The version I’ll be talking about in this post is where the salesperson has to visit several points on a map, minimizing the travel distance. Repeating a point on … Continue reading
Posted in fun, math, mathematica
11 Comments
Taking it up a notch: nail beds
About a month ago, I had an extraordinary experience: It was Bill Nye standing on me while I laid on a nail bed. Lots of fun, for sure, and I pointed out to the audience that it was the one … Continue reading
Posted in fun, physics, teaching
7 Comments
Human loop speed
Rhett Allain’s post about a human running around a loop has really got me (and him!) thinking (click through to see the video). I wondered if there was a more sophisticated way to do the calculation for the minimum speed … Continue reading
Posted in fun, physics, twitter
3 Comments
Clock hands symmetry
A long time ago, Dan Meyer took to the twittersphere with a question: "When do the three clock hands form three 120degree angles?" Fun problem from Bowen Kerins. http://t.co/afEAGP8 — Dan Meyer (@ddmeyer) June 30, 2011 Note, it seems that … Continue reading
Posted in fun, math, mathematica
4 Comments
Rubik’s cube test development
This week I was inspired by this intriguing post by my friend Ian Beatty. He talks about what it might be like to use a testdriven development process for teaching. Here’s the short version of what I got from that: … Continue reading
Posted in fun, physics, physics problem db, teaching
11 Comments