How to draw the Golden Ratio (Phi)
Simon shows how to draw a segment that is Phi times longer than a unit segment. He learned from a video by James Grime how to draw the square root … Continue reading How to draw the Golden Ratio (Phi)
Category: Geometry Joys
Sunday Geometry
Simon proving that the three angles below add up to 90 degrees:
Simon’s True Gems
Just look at those precious mathematical jewels! And just think of all the tricks you can come up with! Simon’s favourite trick, something he learned from Matt Parker, is quickly … Continue reading Simon’s True Gems
The Euler Line in Triangles
Simon trying to get three dots in one line. Inspired by a Numberphile video.
Romantic Mobius Origami
Inspired by the videos by Matt Parker and James Grime: Simon also made the Borromean rings: And cubes (which Simon now uses to practice juggling!)
Football
Wait a minute, is that Simon actually playing football? We never thought we would see that happen. All the credits go to Matt Parker. He is the one who got … Continue reading Football
Catenary vs Parabola
Simon has been studying the differences between a catenary (the curve a free hanging chain makes) and a parabola (the trajectory of a thrown ball), via the SingingBanana math channel. … Continue reading Catenary vs Parabola
Pop-Up Dodecoration
Another paper dodecahedron, now a pop-up one! The idea comes from an old video on the SingingBanana math channel.
Simon and Daniel Shiffman
Today is one of the most beautiful days in Simon’s life: NYU Associate Professor and the creator of Coding Train Daniel Shiffman has been Simon’s guarding angel, role model and … Continue reading Simon and Daniel Shiffman
Geeks out of the box 