How do 3 gear work?
Mesmerised by the 3D printed gears on Numberphile: “If you move two of these, the third one appears to be hovering in mid-air!”, Simon made a similar construction of his … Continue reading How do 3 gear work?
Month: March 2019
Simon’s Pi Composition
Simon has finished working on his Pi Composition, a piece of music entirely based on Pi (in the treble clef). Simon used only the digits of Pi he knew from … Continue reading Simon’s Pi Composition
Physics Experiments: Double Slit
We have wanted to do the Double-Slit experiment for a long time. Finally, last Friday, armed with a suitable box, we ventured outside. To our common disappointment, light just wouldn’t … Continue reading Physics Experiments: Double Slit
Multiplicative Persistence in Wolfram Mathematica
Simon has tried Matt Parker’s multiplicative persistence challenge on Numberphile: by multiplying all the digits in a large number, looking for the number of steps it takes to bring that … Continue reading Multiplicative Persistence in Wolfram Mathematica
Recaman Sequence in Wolfram Mathematica
Simon has created the Recaman Sequence audio in Wolfram! First with 70 notes, then with 300 notes.
Physics Experiments: Making Holes in Soap Membrane
This demo is inspired by a recent video on Steve Mould’s channel. It’s about creating a movable hole in soap film with a loop of cotton thread (the photo shows … Continue reading Physics Experiments: Making Holes in Soap Membrane
MathsJam 19 March 2019
What a monstrous logic problem, this was just too much to crack.
Simon teaching Neva
Some false proofs with infinite sums and infinite fractions:
A Fun Fibonacci Puzzle
Here is a fun math trick! Simon and Neva have made a 8 x 8 cm square (with an area of 64 cm²) and cut it into four pieces, turning … Continue reading A Fun Fibonacci Puzzle
Domain Coloring with Complex Functions in Wolfram Mathematica
Simon has been completely carried away by Wolfram Mathematica. He keeps starting new projects, just to try something out. After working on his Knot Theory book for days, and making … Continue reading Domain Coloring with Complex Functions in Wolfram Mathematica
Geeks out of the box 