Simon’s Halting Problem Gist

You can easily turn every statement into a program. If the program stops, or “halts”, then the statement is true, and if it never stops, or “loops”, the statement is … Continue reading Simon’s Halting Problem Gist

Our New Craze: Euclidea

Simon is obsessed with Euclidea https://www.euclidea.xyz/ — a learning environment for geometric constructions and proofs. He has also downloaded the Euclidea app (which has more features), so that he could continue engaging … Continue reading Our New Craze: Euclidea

Question Bot

Simon has built a question bot that will collect questions on The Coding Train Discord so that Daniel Shiffman can answer them during the following live session. This is something … Continue reading Question Bot

Math To Go

Thanks to our usual summer hang-outs (Dutch beaches, local playgrounds and terraces) being closed, we have discovered that Simon doesn’t hate small hikes in the woods after all. At least … Continue reading Math To Go

How Can Math Help Resolve Racial Segregation?

This is Simon’s contribution to #blacklivesmatter How Can Math Help Resolve Racial Segregation? This video and coding project is based on Segregation Solitaire by Thomas Schelling, an American mathematician and … Continue reading How Can Math Help Resolve Racial Segregation?

Physics Engine using Verlet Integration

Simon created a physics engine in Python with Turtle. He used Verlet integration (French pronunciation: ​[vɛʁˈlɛ]), a numerical method for integrating Newton’s equations of motion in calculating trajectories of particles in molecular … Continue reading Physics Engine using Verlet Integration

Watching Bob and Doug start a new era of space exploration

We watched both on Wednesday, May 27 and Saturday, May 30 when it actually happened: the historic launch of Crew Dragon Demo-2, a commercial state-of-the-art aircraft, marking the start of … Continue reading Watching Bob and Doug start a new era of space exploration

The Grand Quadratic Formula Quiz!

Simon has been pondering a lot about various ways to visualize or prove the quadratic formula. He eventually came up with a 4-meter-long quiz sheet, slowly revealing the logic behind … Continue reading The Grand Quadratic Formula Quiz!

Simon’s remix of one of Nicky Case’s playable essays

If you’re interested in why #covid-19 tracing apps are important and the most privacy-friendly way to implement them, please read this interactive essay by Nicky Case and play with the colorful … Continue reading Simon’s remix of one of Nicky Case’s playable essays

Dissecting Polygons

Every polygon can be triangulated into exactly n-2 triangles. So you’ve got the triangulation theorem and the totally opposite theorem in the math universe, Girard’s theorem (the formula for the … Continue reading Dissecting Polygons

Simon made a discord bot

Last Tuesday, May 19, was somewhat a historic day as Simon created his first Discord bot (actually, two bots: one that does polls and count-downs and another programmable one that … Continue reading Simon made a discord bot