A lullaby sequence
My son was born last September. While he doesn’t hate sleep as much as his sister did, he still needs a bit of help to drop off. I’m not at all musically inclined, and I seem unable to …
Writing
My robot draws TeX
For my birthday I got an EleksDraw pen plotter. It’s a cheap and cheerful example of the form: a pair of orthogonal metal rods with a pen on the end, attached to electric motors. The idea is …
The enormous difficulty of telling the truth about escalators with statistics
Earlier this year, when getting the train to work was still a thing for me, I noticed this statistic: 95% of the time escalators were working in the last four weeks.
This matrix joke is only barely worth your time
If you see me doing a maths thing, I’m probably wearing one of my maths t-shirts. I’ve got quite a few, but the one that reliably produces the much-sought-after look of total indifferen…
The Big Internet Math-Off
A competition to find The World's Most Interesting Mathematician. It's really a way of tricking people into telling me fun maths.
The curious mathmo talks to David Roberts
Way back at the end of last year I put out a call to mathematicians I know: hop on Skype and chat to me for a while about the work you’re doing at the moment. The first person to answer was D…
A day in the life of a maths e-learning officer
My wife’s school recently sent round a form with questions about “a day in the life” of people working in STEM careers, to show to their year 6 children. My job involves the M in …
Approximate a ratio by folding a piece of paper
Warning: you could make a very strong argument I’ve thought far too much about something inconsequential. If that makes your stomach turn, look away now. This morning in the shower, I had an …
Maths Objects
A series of videos about mathematical objects.
Wolfram|Alpha can’t. But CP can!
Christian Perfect has turned into a one-man plug for the holes in Wolfram|Alpha.
Watch out! I’m a blue whale and I’m about to land on you!
Christian investigates the possibility of a moving whale being able to warn you it’s coming.
Apparently I’m not a maths genius (or, On the Subject of Parcel Sizes)
Christian investigates the mystery of Hermes’ maximum parcel dimensions.
An enneahedron for Herschel
The Herschel graph has some pretty cool properties. Christian Perfect constructed the associated polyhedron, and it too has some cool properties!
Integer Sequence Reviews
My friend David Cushing and I used to review integer sequences for fun.
Art for a maths department
Christian was asked to find some art to decorate the walls of the university maths department he works in. Here’s what he found.
Aperiodical Round Up
This is a sporadic series of posts where I collect links to interesting or unusual maths things.
