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2020-01-02
Where did the coordinates for Wally come from? Are they meaningful, or are they just some random coordinates thrown together?
Michael T
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/blog/72
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2026
May 2026
World Cup stickers 2026
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 -62+e+gτ-√3 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 approximation day
big internet math-off
folding tube maps
nine men's morris
24 hour maths
pythagoras
misleading statistics
matrix multiplication
propositional calculus
javascript
alphabets
newcastle
royal baby
hexapawn
radio 4
determinants
approximation
light
mean
statistics
countdown
coventry
christmas card
london
game of life
zines
manchester science festival
bodmas
news
flexagons
anscombe's quartet
curvature
sorting
boundary element methods
electromagnetic field
crossnumbers
craft
pac-man
arrangement puzzles
thirteen
noughts and crosses
european cup
braiding
graphs
platonic solids
hannah fry
errors
dinosaurs
manchester
dataset
matrices
captain scarlet
ternary
quadrilaterals
triangles
matrix of minors
cross stitch
partridge puzzle
go
standard deviation
a gamut of games
logo
preconditioning
turtles
speed
accuracy
nonograms
reddit
live stream
menace
map projections
tennis
christmas
martin gardner
logs
talking maths in public
interpolation
regular expressions
golden spiral
polynomials
dates
arithmetic
trigonometry
gerry anderson
raspberry pi
chebyshev
stickers
mathslogicbot
kings
databet
weak imposition
python
sobolev spaces
crosswords
youtube
chess
warwick
reuleaux polygons
ucl
tetris
mathsjam
recursion
data
crochet
rust
harriss spiral
datasaurus dozen
pascal's triangle
royal institution
correlation
programming
php
gather town
pokémon
matt parker
chalkdust magazine
finite element method
pi
asteroids
advent calendar
wool
estimation
phd
exponential growth
dragon curves
sound
machine learning
national lottery
folding paper
matrix of cofactors
fractals
convergence
football
squares
wordle
latex
pokémon wordle
the aperiodical
weather station
bubble bobble
bempp
binary
books
fonts
world cup
wave scattering
video games
draughts
plastic ratio
geogebra
pizza cutting
geometry
realhats
golden ratio
probability
inverse matrices
logic
graph theory
palindromes
hats
puzzles
games
game show probability
numerical analysis
bots
runge's phenomenon
fence posts
stirling numbers
tmip
frobel
rugby
error bars
gaussian elimination
hyperbolic surfaces
signorini conditions
computational complexity
cambridge
friendly squares
mathsteroids
rhombicuboctahedron
edinburgh
data visualisation
bluesky
crossnumber
guest posts
coins
final fantasy
people maths
sport
kenilworth
oeis
inline code
numbers
finite group
london underground
simultaneous equations
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on /blog/72