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Comments in green were written by me. Comments in blue were not written by me.
2016-12-28
Thanks, Matthew! The puzzles were really fun, and piecing the clues was very interesting too!
Jack
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/blog/39
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A surprising fact about quadrilaterals
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Log-scaled axes
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PhD thesis, chapter ∞
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Inverting a matrix
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PhD thesis, chapter 1
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Visualising MENACE's learning
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A non-converging LaTeX document
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Proving a conjecture
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Harriss and other spirals
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
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World Cup stickers 2018, pt. 2
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A bad Puzzle for Today
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Building MENACEs for other games
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
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MENACE at Manchester Science Festival
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Big Ben Strikes Again
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The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
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Is MEDUSA the new BODMAS?
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Tube map kaleidocycles
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Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
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Euro 2016 stickers
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Proving Pythagoras' theorem
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How to kick a conversion
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How OEISbot works
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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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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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Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
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pi approximation day
signorini conditions
cambridge
geometry
gaussian elimination
sport
rugby
folding tube maps
kings
numerical analysis
books
accuracy
newcastle
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recursion
ternary
mean
bubble bobble
tmip
raspberry pi
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graphs
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harriss spiral
inverse matrices
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inline code
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Archive
Show me a random blog post
▼ show ▼
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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 -1+π 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
sobolev spaces
games
weak imposition
advent calendar
logo
hyperbolic surfaces
pythagoras
javascript
christmas card
sport
regular expressions
fractals
bodmas
simultaneous equations
bubble bobble
accuracy
london
statistics
exponential growth
raspberry pi
pac-man
gaussian elimination
rugby
chess
christmas
machine learning
hexapawn
countdown
oeis
hannah fry
propositional calculus
errors
video games
alphabets
logic
recursion
london underground
rust
misleading statistics
crossnumber
draughts
books
frobel
wave scattering
matrices
manchester science festival
quadrilaterals
game of life
pi approximation day
anscombe's quartet
a gamut of games
reuleaux polygons
coventry
arithmetic
geogebra
mathsjam
thirteen
approximation
matrix of minors
electromagnetic field
chebyshev
numbers
sound
golden spiral
24 hour maths
realhats
crochet
dinosaurs
european cup
matrix multiplication
crosswords
error bars
tennis
php
tmip
chalkdust magazine
light
pokémon wordle
bots
dates
palindromes
determinants
turtles
noughts and crosses
sorting
curvature
nine men's morris
phd
squares
programming
talking maths in public
bluesky
data visualisation
standard deviation
golden ratio
guest posts
stirling numbers
databet
bempp
game show probability
youtube
puzzles
craft
ternary
final fantasy
rhombicuboctahedron
plastic ratio
zines
estimation
cross stitch
crossnumbers
boundary element methods
friendly squares
platonic solids
asteroids
manchester
pascal's triangle
map projections
pokémon
big internet math-off
captain scarlet
polynomials
mathslogicbot
harriss spiral
latex
folding paper
royal institution
finite group
matrix of cofactors
tetris
people maths
preconditioning
dataset
gather town
speed
folding tube maps
the aperiodical
edinburgh
graph theory
football
gerry anderson
ucl
wordle
data
computational complexity
nonograms
pi
mathsteroids
world cup
dragon curves
numerical analysis
geometry
finite element method
mean
warwick
weather station
cambridge
fonts
interpolation
kenilworth
inline code
reddit
arrangement puzzles
probability
hats
fence posts
braiding
newcastle
matt parker
trigonometry
national lottery
coins
radio 4
menace
graphs
datasaurus dozen
martin gardner
live stream
partridge puzzle
royal baby
kings
go
binary
inverse matrices
flexagons
wool
signorini conditions
convergence
triangles
pizza cutting
python
logs
correlation
stickers
runge's phenomenon
news
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