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Comments in green were written by me. Comments in blue were not written by me.
2022-02-26
I made a matchbox machine that learns to play 3x3 Nim almost 50 years ago. I still have it. (Based on Martin Gardner's article)
Tony
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Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
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Chalkdust issue 17
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Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
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▼ show ▼
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
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Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
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Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -6+τφ Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
▼ show ▼
▲ hide ▲
Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
World Cup stickers 2018, pt. 2
May 2018
A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
▲ hide ▲
Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
Big Ben Strikes Again
Mar 2017
The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
live stream
pascal's triangle
zines
edinburgh
crossnumber
propositional calculus
weather station
map projections
folding paper
chalkdust magazine
london
binary
game of life
latex
captain scarlet
golden spiral
programming
golden ratio
turtles
fractals
finite group
graphs
hyperbolic surfaces
php
rust
big internet math-off
mathsjam
mathsteroids
recursion
thirteen
chebyshev
flexagons
accuracy
cross stitch
stirling numbers
youtube
video games
curvature
standard deviation
python
matrix of minors
simultaneous equations
asteroids
draughts
phd
wordle
machine learning
ucl
matt parker
warwick
noughts and crosses
wool
pizza cutting
regular expressions
electromagnetic field
kings
matrix of cofactors
sound
sport
hexapawn
hannah fry
mean
craft
go
countdown
world cup
platonic solids
squares
reddit
puzzles
tennis
data visualisation
partridge puzzle
rhombicuboctahedron
logs
stickers
determinants
christmas
numbers
preconditioning
inverse matrices
gather town
royal institution
interpolation
quadrilaterals
estimation
cambridge
the aperiodical
christmas card
royal baby
people maths
rugby
newcastle
realhats
advent calendar
misleading statistics
nine men's morris
convergence
computational complexity
errors
nonograms
approximation
gerry anderson
dataset
tmip
coventry
logic
oeis
braiding
pac-man
pythagoras
bluesky
datasaurus dozen
crochet
hats
arrangement puzzles
news
tetris
triangles
dates
correlation
databet
friendly squares
sobolev spaces
trigonometry
24 hour maths
game show probability
alphabets
games
folding tube maps
speed
arithmetic
bodmas
pi approximation day
plastic ratio
error bars
geometry
palindromes
bempp
books
anscombe's quartet
bubble bobble
guest posts
geogebra
dinosaurs
football
mathslogicbot
runge's phenomenon
bots
crossnumbers
statistics
kenilworth
talking maths in public
inline code
national lottery
finite element method
menace
final fantasy
pi
matrix multiplication
matrices
coins
logo
manchester
polynomials
a gamut of games
harriss spiral
manchester science festival
sorting
weak imposition
fonts
signorini conditions
probability
reuleaux polygons
exponential growth
light
pokémon
graph theory
ternary
london underground
fence posts
wave scattering
raspberry pi
european cup
gaussian elimination
numerical analysis
radio 4
dragon curves
frobel
chess
crosswords
pokémon wordle
martin gardner
javascript
data
boundary element methods
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