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Comments in green were written by me. Comments in blue were not written by me.
2023-12-09
The clue for today's puzzle just made everything make way more sense.
Seth Cohen
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/blog/107
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Archive
Show me a random blog post
▼ show ▼
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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
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 ▼
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
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2021
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Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
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May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy (3(ϕπ))-15 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
cross stitch
newcastle
bempp
youtube
noughts and crosses
european cup
data
numbers
chebyshev
golden ratio
pi approximation day
royal baby
gather town
misleading statistics
chess
rhombicuboctahedron
fonts
map projections
fractals
computational complexity
oeis
polynomials
asteroids
recursion
nine men's morris
light
sorting
palindromes
go
24 hour maths
puzzles
hats
sobolev spaces
dinosaurs
programming
matrix of cofactors
pac-man
manchester
propositional calculus
estimation
pythagoras
logo
platonic solids
reddit
triangles
inverse matrices
trigonometry
ucl
frobel
football
mathslogicbot
london
captain scarlet
machine learning
craft
weather station
dataset
pascal's triangle
live stream
reuleaux polygons
cambridge
mathsjam
ternary
determinants
pi
mean
braiding
inline code
martin gardner
christmas
manchester science festival
wool
video games
plastic ratio
pizza cutting
royal institution
world cup
matrix multiplication
graphs
wave scattering
geometry
simultaneous equations
standard deviation
numerical analysis
folding paper
squares
finite element method
binary
stickers
big internet math-off
chalkdust magazine
dragon curves
bodmas
javascript
harriss spiral
accuracy
hannah fry
london underground
advent calendar
a gamut of games
datasaurus dozen
stirling numbers
turtles
weak imposition
graph theory
guest posts
final fantasy
draughts
radio 4
finite group
php
people maths
arithmetic
crossnumber
latex
quadrilaterals
coins
runge's phenomenon
crochet
curvature
matrices
flexagons
errors
hexapawn
folding tube maps
python
games
christmas card
exponential growth
geogebra
news
tennis
rugby
probability
matt parker
menace
golden spiral
hyperbolic surfaces
zines
talking maths in public
gaussian elimination
boundary element methods
realhats
mathsteroids
speed
gerry anderson
anscombe's quartet
error bars
electromagnetic field
signorini conditions
books
convergence
phd
game of life
correlation
approximation
data visualisation
edinburgh
sport
the aperiodical
sound
national lottery
game show probability
countdown
matrix of minors
preconditioning
logic
statistics
logs
fence posts
raspberry pi
tmip
bubble bobble
databet
interpolation
dates
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on /blog/107