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Comments in green were written by me. Comments in blue were not written by me.
2021-12-22
Wonky solution for #9? On a blank start page, answering "16" gives you red and white puzzle completions, yet we _know_ that 16 is an incorrect answer. Strange?
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A bad Puzzle for Today
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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
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Jan 2020
PhD thesis, chapter 1
Gaussian elimination
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Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
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Christmas (2018) is over
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Christmas cross stitch
MENACE in fiction
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Christmas (2018) is coming!
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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 ▼
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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
▼ 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 ▼
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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
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
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Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
hexapawn
finite group
chess
preconditioning
final fantasy
pi approximation day
logs
geogebra
error bars
squares
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triangles
errors
hannah fry
graph theory
go
plastic ratio
frobel
turtles
misleading statistics
curvature
dragon curves
runge's phenomenon
european cup
ternary
raspberry pi
zines
sorting
sport
numerical analysis
realhats
inverse matrices
weather station
golden ratio
stirling numbers
london underground
world cup
pac-man
simultaneous equations
folding tube maps
ucl
chebyshev
london
pizza cutting
arithmetic
craft
tennis
latex
determinants
pascal's triangle
reddit
standard deviation
boundary element methods
correlation
electromagnetic field
dataset
bubble bobble
radio 4
hyperbolic surfaces
folding paper
bots
mathsjam
interpolation
guest posts
matrix of minors
manchester science festival
inline code
gerry anderson
numbers
speed
puzzles
data
royal institution
menace
fence posts
tmip
matt parker
binary
data visualisation
martin gardner
gather town
estimation
logic
bodmas
christmas
trigonometry
datasaurus dozen
databet
convergence
youtube
gaussian elimination
pythagoras
coins
golden spiral
matrices
christmas card
national lottery
propositional calculus
polynomials
statistics
crossnumber
weak imposition
sound
platonic solids
matrix of cofactors
mathsteroids
exponential growth
python
rugby
geometry
recursion
harriss spiral
manchester
talking maths in public
javascript
a gamut of games
nine men's morris
mathslogicbot
accuracy
quadrilaterals
video games
stickers
dates
crochet
24 hour maths
advent calendar
flexagons
phd
computational complexity
sobolev spaces
pi
anscombe's quartet
matrix multiplication
football
reuleaux polygons
bempp
rhombicuboctahedron
game show probability
fractals
dinosaurs
approximation
mean
cross stitch
countdown
big internet math-off
signorini conditions
asteroids
finite element method
edinburgh
people maths
chalkdust magazine
live stream
graphs
game of life
oeis
braiding
map projections
books
newcastle
fonts
the aperiodical
hats
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light
programming
logo
wave scattering
php
news
noughts and crosses
draughts
palindromes
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machine learning
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