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Comments in green were written by me. Comments in blue were not written by me.
2025-12-11
@
Matthew
: ... yes the clues are correct and once you get to the end, a couple of them are redundant. Who knows what I was thinking when I did that.
Matthew
on
/blog/120
×1
2025-12-13
@
Matthew
: Update: I've made some sneaky edits to the clues from tomorrow onwards to remove the redundancy of clues. All will be gradually revealed soon
Matthew
on
/blog/120
2025-12-12
@
Matthew
: Don't worry, we'll still do them all! Thanks!
Seth Cohen
on
/blog/120
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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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Archive
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Feb 2026
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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
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Dec 2023
Christmas card 2023
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Christmas (2023) is coming!
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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
▼ show ▼
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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 -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
wave scattering
fractals
go
edinburgh
rugby
logic
ternary
inline code
crossnumber
dataset
crossnumbers
live stream
folding tube maps
crochet
determinants
hannah fry
matrix multiplication
world cup
finite element method
numbers
martin gardner
cambridge
pi
braiding
gaussian elimination
advent calendar
electromagnetic field
matrix of minors
pac-man
talking maths in public
palindromes
christmas card
programming
signorini conditions
stickers
national lottery
golden spiral
dragon curves
geogebra
speed
statistics
harriss spiral
pythagoras
sport
hats
asteroids
crosswords
manchester science festival
trigonometry
graphs
tennis
reddit
numerical analysis
weather station
approximation
ucl
christmas
correlation
newcastle
mathsjam
gather town
hyperbolic surfaces
raspberry pi
pizza cutting
probability
games
bempp
anscombe's quartet
royal institution
logs
kings
turtles
sobolev spaces
video games
standard deviation
radio 4
friendly squares
bubble bobble
golden ratio
regular expressions
bluesky
map projections
computational complexity
wool
wordle
menace
matrix of cofactors
coventry
football
propositional calculus
alphabets
manchester
error bars
javascript
polynomials
data visualisation
news
binary
hexapawn
mathsteroids
countdown
big internet math-off
royal baby
game show probability
chess
finite group
tetris
frobel
matt parker
a gamut of games
exponential growth
reuleaux polygons
squares
pokémon
runge's phenomenon
coins
24 hour maths
bodmas
triangles
misleading statistics
pokémon wordle
data
geometry
nonograms
gerry anderson
simultaneous equations
sound
inverse matrices
final fantasy
boundary element methods
matrices
bots
zines
folding paper
craft
errors
oeis
kenilworth
partridge puzzle
rhombicuboctahedron
datasaurus dozen
chebyshev
realhats
preconditioning
accuracy
books
fence posts
convergence
nine men's morris
phd
puzzles
logo
fonts
flexagons
php
draughts
python
weak imposition
machine learning
latex
captain scarlet
sorting
tmip
recursion
pi approximation day
european cup
graph theory
plastic ratio
chalkdust magazine
stirling numbers
london
rust
cross stitch
dinosaurs
databet
interpolation
quadrilaterals
arithmetic
mean
mathslogicbot
warwick
dates
pascal's triangle
platonic solids
game of life
arrangement puzzles
estimation
curvature
youtube
people maths
guest posts
london underground
noughts and crosses
light
thirteen
the aperiodical
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on /blog/120