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Comments in green were written by me. Comments in blue were not written by me.
2021-12-22
Wonky solution for #9? On a blank start page, answering "16" gives you red and white puzzle completions, yet we _know_ that 16 is an incorrect answer. Strange?
Attika
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Log-scaled axes
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PhD thesis, chapter ∞
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PhD thesis, chapter 1
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Harriss and other spirals
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A bad Puzzle for Today
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Braiding, pt. 2
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Electromagnetic Field talk
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Tennis maths
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New machine unfriendly £1 coin, pt. 2
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2013
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Assorted christmaths
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"Uncanny" royal coincidence
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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Archive
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2026
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Mixing Wordle with other games
Feb 2026
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2025
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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 ▼
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
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Sep 2023
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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 ▼
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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
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Dec 2021
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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 -4+τ 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
oeis
javascript
martin gardner
london
nine men's morris
arithmetic
determinants
game show probability
interpolation
regular expressions
pizza cutting
books
folding tube maps
errors
golden ratio
wordle
crosswords
draughts
news
fractals
latex
anscombe's quartet
platonic solids
probability
braiding
rugby
crochet
signorini conditions
dates
crossnumbers
alphabets
craft
chebyshev
asteroids
dataset
edinburgh
hexapawn
wool
stirling numbers
national lottery
gather town
pi
accuracy
binary
folding paper
inverse matrices
crossnumber
matrix multiplication
quadrilaterals
hannah fry
weak imposition
stickers
tmip
wave scattering
datasaurus dozen
radio 4
trigonometry
curvature
ternary
reuleaux polygons
logo
exponential growth
big internet math-off
puzzles
electromagnetic field
hats
php
matt parker
matrix of cofactors
bluesky
european cup
polynomials
newcastle
propositional calculus
live stream
data
bempp
pokémon
boundary element methods
royal institution
warwick
palindromes
manchester science festival
pi approximation day
rust
error bars
bodmas
advent calendar
pac-man
plastic ratio
light
games
the aperiodical
arrangement puzzles
numerical analysis
noughts and crosses
estimation
manchester
approximation
squares
phd
tetris
recursion
runge's phenomenon
youtube
kenilworth
video games
menace
talking maths in public
kings
tennis
fonts
finite element method
inline code
machine learning
logs
sobolev spaces
a gamut of games
cross stitch
graphs
data visualisation
zines
football
pythagoras
convergence
databet
standard deviation
turtles
chess
coins
cambridge
python
flexagons
captain scarlet
chalkdust magazine
computational complexity
mean
24 hour maths
ucl
bots
london underground
christmas
matrix of minors
christmas card
realhats
geometry
harriss spiral
raspberry pi
map projections
royal baby
world cup
thirteen
nonograms
dragon curves
dinosaurs
gerry anderson
speed
sound
logic
bubble bobble
frobel
mathsteroids
simultaneous equations
coventry
misleading statistics
graph theory
golden spiral
reddit
pokémon wordle
fence posts
final fantasy
pascal's triangle
guest posts
programming
go
correlation
friendly squares
finite group
rhombicuboctahedron
mathsjam
game of life
sport
sorting
partridge puzzle
statistics
preconditioning
weather station
matrices
gaussian elimination
hyperbolic surfaces
countdown
numbers
mathslogicbot
geogebra
people maths
triangles
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