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2019-12-22
Too bad there's not a prize for finding everyone early...
Seth
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/blog/69
Archive
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2026
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A new puzzle every day
Mixing Wordle with other games
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2025
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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
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Zines, pt. 2
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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
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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
Christmas card 2021
Nov 2021
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Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy 2+g-φ-5√2 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
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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
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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
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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
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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
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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
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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
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Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
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Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
pythagoras
thirteen
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newcastle
probability
partridge puzzle
puzzles
manchester science festival
kings
game of life
bubble bobble
news
boundary element methods
datasaurus dozen
matrix multiplication
computational complexity
finite element method
matrices
logic
golden spiral
warwick
harriss spiral
coins
triangles
braiding
royal baby
christmas card
the aperiodical
dataset
logs
live stream
rhombicuboctahedron
geometry
captain scarlet
numerical analysis
speed
crossnumbers
a gamut of games
trigonometry
polynomials
gaussian elimination
binary
christmas
zines
tennis
radio 4
pascal's triangle
estimation
frobel
sorting
tetris
latex
hyperbolic surfaces
turtles
electromagnetic field
determinants
cross stitch
guest posts
approximation
crosswords
python
fonts
mean
go
noughts and crosses
nine men's morris
reuleaux polygons
games
talking maths in public
pokémon wordle
reddit
machine learning
simultaneous equations
anscombe's quartet
chalkdust magazine
platonic solids
map projections
edinburgh
golden ratio
numbers
tmip
stirling numbers
geogebra
plastic ratio
inline code
sobolev spaces
world cup
alphabets
dates
countdown
palindromes
asteroids
royal institution
european cup
coventry
kenilworth
pokémon
friendly squares
menace
statistics
wool
convergence
mathsteroids
bodmas
finite group
propositional calculus
exponential growth
youtube
sport
video games
nonograms
gerry anderson
london underground
mathslogicbot
wordle
bempp
data visualisation
hannah fry
chess
wave scattering
matrix of cofactors
draughts
rust
sound
quadrilaterals
books
accuracy
london
logo
crochet
weather station
advent calendar
hexapawn
fractals
pizza cutting
flexagons
cambridge
php
final fantasy
curvature
regular expressions
databet
raspberry pi
game show probability
bluesky
recursion
javascript
programming
mathsjam
arrangement puzzles
weak imposition
gather town
oeis
light
football
graph theory
errors
pac-man
standard deviation
24 hour maths
dinosaurs
misleading statistics
inverse matrices
realhats
preconditioning
signorini conditions
big internet math-off
hats
bots
crossnumber
squares
ternary
martin gardner
matt parker
pi
matrix of minors
craft
arithmetic
folding tube maps
correlation
ucl
folding paper
pi approximation day
graphs
rugby
stickers
fence posts
dragon curves
runge's phenomenon
error bars
people maths
chebyshev
manchester
interpolation
data
phd
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 2+g-φ-5√2 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
menace
finite element method
bodmas
pi
weak imposition
matt parker
phd
raspberry pi
nine men's morris
logs
crosswords
newcastle
wool
crochet
polynomials
binary
christmas card
people maths
convergence
hyperbolic surfaces
alphabets
estimation
arithmetic
folding tube maps
football
flexagons
dates
puzzles
dragon curves
frobel
reuleaux polygons
london
rugby
squares
interpolation
bubble bobble
fractals
wave scattering
geogebra
determinants
european cup
arrangement puzzles
national lottery
dataset
error bars
london underground
advent calendar
tetris
numerical analysis
kenilworth
mathslogicbot
python
tennis
numbers
golden spiral
cross stitch
manchester science festival
sound
map projections
asteroids
anscombe's quartet
weather station
mean
machine learning
books
chess
guest posts
noughts and crosses
probability
inverse matrices
quadrilaterals
rust
php
trigonometry
royal institution
kings
sobolev spaces
standard deviation
triangles
pokémon
oeis
crossnumbers
hexapawn
final fantasy
latex
realhats
pizza cutting
plastic ratio
pokémon wordle
regular expressions
correlation
coventry
games
video games
mathsteroids
sport
craft
rhombicuboctahedron
bots
signorini conditions
databet
game of life
crossnumber
inline code
cambridge
matrix of minors
folding paper
news
golden ratio
speed
live stream
friendly squares
logic
harriss spiral
electromagnetic field
preconditioning
dinosaurs
recursion
hats
graph theory
reddit
youtube
errors
manchester
chebyshev
gather town
edinburgh
turtles
datasaurus dozen
gerry anderson
the aperiodical
24 hour maths
thirteen
bluesky
platonic solids
royal baby
fence posts
tmip
ternary
pascal's triangle
accuracy
graphs
nonograms
matrices
wordle
javascript
propositional calculus
gaussian elimination
martin gardner
pac-man
data visualisation
zines
geometry
pi approximation day
partridge puzzle
finite group
big internet math-off
sorting
go
exponential growth
radio 4
curvature
misleading statistics
christmas
fonts
hannah fry
light
countdown
warwick
coins
statistics
matrix of cofactors
talking maths in public
bempp
stirling numbers
game show probability
captain scarlet
a gamut of games
braiding
palindromes
mathsjam
computational complexity
simultaneous equations
ucl
pythagoras
logo
stickers
programming
chalkdust magazine
approximation
data
draughts
world cup
boundary element methods
runge's phenomenon
matrix multiplication
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on /blog/69