Quiz Jazz

After a good friend from Amsterdam invited us to take part in his self-made quiz show, this got Simon really excited about Kahoot.com and all the possibilities it has to … Continue reading Quiz Jazz

How to Play (with) Music

Simon is continuing to explore the world of music outside formal piano lessons (which he currently doesn’t attend due to Covid disruptions). He has learned polyrhythms on Adam Neely’s channel … Continue reading How to Play (with) Music

Go Girl!

Our living room has this air of an open source digital studio, sizzling with contagious creativity. I have always encouraged the kids to do their stuff in a shared space … Continue reading Go Girl!

DIY: Derive It Yourself

This is Simon’s preferred way of learning math and physics: try to work out the formulas independently. This time it’s the collision formulas which he attempts to depict geometrically. You … Continue reading DIY: Derive It Yourself

Some weekend combinatorics

Combinatorics problems (each one builds on the previous one): If there’s a sequence of tasks you need to do, and you know how many ways there are to do each … Continue reading Some weekend combinatorics

What is a fidget spinner’s actual speed, in km/h?

How fast can a fidget spinner spin? Is it not that fast or can you literally use it as a car wheel? Inspired by Matt Parker, who listened to the … Continue reading What is a fidget spinner’s actual speed, in km/h?

Integration Techniques for Physics Simulations

Simon has made a visual about what he calls “three different ways to make a physics simulation”: Blue: Modified Euler Integration (aka Backward Euler Integration); Green: Euler Integration (aka Forward … Continue reading Integration Techniques for Physics Simulations

Trig is About Circles

Simon’s really proud of himself for being helpful during The Coding Train’s tutorial recording sessions. He hopes to have converted Dan Shiffman to approach trigonometry as something about circles, not … Continue reading Trig is About Circles

Conway’s Game of Life

Simon’s version of John Conway’s famous Game of Life, a cellular automaton zero-player game whose evolution follows certain simple rules and mainly depends on its initial conditions. Cellular automata-like models … Continue reading Conway’s Game of Life

The Twelve Days of Christmas: How many Presents in Total?

I was looking up the lyrics of The Twelve Days of Christmas song (you know, the one that goes “On the first day of Christmas, my true love sent to … Continue reading The Twelve Days of Christmas: How many Presents in Total?

Merry Xmas! Simon’s Xmas Card.

You can turn the card around by using the mouse if you open it in p5.js: Simon made this card during Daniel Shiffman’s Processing Telethon last night, joining other programmers … Continue reading Merry Xmas! Simon’s Xmas Card.