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

Simon working on a book about Knot Theory

These are just a couple of pages from Simon’s new book/ digital presentation on knot theory that he’s currently working on: I see him scavenging the internet in search of … Continue reading Simon working on a book about Knot Theory

What Does it Feel Like to Be Light? And Why the Infinity Tunnel is Actually Finite.

We were reading Steven Hawking’s A Brief History of Time, and Simon asked: “If the speed of light is the same relative to any body, is it the same relative … Continue reading What Does it Feel Like to Be Light? And Why the Infinity Tunnel is Actually Finite.