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Comments in green were written by me. Comments in blue were not written by me.
2025-08-30
@
Chris B
: Oh never mind ???? I just went back there and found the correct way to move the squares. Duh, sorry!
(anonymous)
on
/blog/119
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A bad Puzzle for Today
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Big Ben Strikes Again
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Braiding, pt. 2
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Making names in Life
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Tube map Platonic solids, pt. 2
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Archive
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2026
May 2026
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Apr 2026
A new puzzle every day
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
▼ show ▼
▲ hide ▲
Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
▲ hide ▲
Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
▼ show ▼
▲ hide ▲
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 -26+eg 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
pi
triangles
european cup
correlation
countdown
binary
curvature
signorini conditions
london
fonts
nonograms
royal baby
thirteen
pokémon
squares
kings
dates
preconditioning
palindromes
chess
kenilworth
a gamut of games
harriss spiral
rust
menace
weak imposition
javascript
dragon curves
cambridge
runge's phenomenon
sobolev spaces
flexagons
ucl
tmip
tennis
advent calendar
propositional calculus
platonic solids
pi approximation day
boundary element methods
raspberry pi
quadrilaterals
world cup
talking maths in public
hexapawn
zines
martin gardner
graph theory
hats
crochet
warwick
pokémon wordle
guest posts
gather town
pac-man
frobel
geometry
simultaneous equations
regular expressions
geogebra
wordle
hannah fry
electromagnetic field
alphabets
pascal's triangle
speed
convergence
national lottery
stickers
probability
captain scarlet
tetris
logs
bots
standard deviation
fence posts
inverse matrices
numerical analysis
determinants
polynomials
youtube
wave scattering
go
datasaurus dozen
weather station
gerry anderson
matrix of cofactors
error bars
arithmetic
24 hour maths
books
video games
light
arrangement puzzles
hyperbolic surfaces
dinosaurs
accuracy
gaussian elimination
trigonometry
crossnumbers
draughts
manchester
folding tube maps
crosswords
wool
recursion
matrix multiplication
pizza cutting
approximation
craft
realhats
royal institution
plastic ratio
mathslogicbot
python
phd
folding paper
mean
noughts and crosses
newcastle
asteroids
misleading statistics
football
turtles
map projections
statistics
live stream
puzzles
logo
sorting
manchester science festival
estimation
rhombicuboctahedron
ternary
logic
matrix of minors
matrices
databet
christmas
anscombe's quartet
reddit
chebyshev
game of life
golden ratio
fractals
bempp
sport
coventry
finite element method
golden spiral
latex
dataset
sound
chalkdust magazine
machine learning
radio 4
edinburgh
mathsteroids
london underground
pythagoras
mathsjam
news
graphs
the aperiodical
coins
nine men's morris
programming
big internet math-off
matt parker
christmas card
friendly squares
data visualisation
partridge puzzle
rugby
finite group
exponential growth
games
php
inline code
interpolation
bluesky
cross stitch
bodmas
braiding
data
people maths
crossnumber
final fantasy
reuleaux polygons
bubble bobble
stirling numbers
oeis
errors
numbers
computational complexity
game show probability
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