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Comments in green were written by me. Comments in blue were not written by me.
2022-12-25
It says I have all days correct but I ran into a contradiction with one of the drones speed. :( is there any way to check?
Lyra
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Archive
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Christmas card 2025
Nov 2025
Christmas (2025) is coming!
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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
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
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Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
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Dec 2023
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Christmas (2023) is coming!
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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
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 -15+3τ-φ-√3 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
databet
folding paper
accuracy
cross stitch
quadrilaterals
exponential growth
matrix multiplication
london underground
crossnumbers
wool
wordle
misleading statistics
python
pokémon wordle
gather town
game of life
finite group
nonograms
ternary
runge's phenomenon
inverse matrices
javascript
electromagnetic field
news
bempp
noughts and crosses
the aperiodical
talking maths in public
royal institution
probability
mathsteroids
inline code
weather station
manchester science festival
fonts
rugby
logs
wave scattering
flexagons
chalkdust magazine
advent calendar
computational complexity
menace
reddit
matrix of cofactors
data
games
national lottery
polynomials
recursion
friendly squares
coventry
harriss spiral
preconditioning
fence posts
asteroids
final fantasy
error bars
sport
dataset
zines
bubble bobble
draughts
geogebra
bodmas
pac-man
raspberry pi
sound
cambridge
a gamut of games
fractals
golden spiral
people maths
guest posts
logo
estimation
regular expressions
pizza cutting
pokémon
curvature
martin gardner
youtube
statistics
radio 4
puzzles
coins
braiding
graph theory
numbers
newcastle
mathsjam
tetris
world cup
european cup
live stream
programming
signorini conditions
approximation
oeis
kings
mean
realhats
numerical analysis
phd
gaussian elimination
plastic ratio
tmip
weak imposition
matt parker
binary
chebyshev
reuleaux polygons
big internet math-off
stirling numbers
graphs
pi approximation day
rust
arrangement puzzles
propositional calculus
speed
sorting
countdown
standard deviation
matrices
errors
hannah fry
matrix of minors
manchester
crochet
frobel
determinants
crosswords
alphabets
turtles
dates
data visualisation
partridge puzzle
gerry anderson
craft
video games
dragon curves
christmas card
interpolation
thirteen
edinburgh
map projections
php
latex
go
pi
hexapawn
light
stickers
dinosaurs
captain scarlet
datasaurus dozen
rhombicuboctahedron
kenilworth
bluesky
chess
nine men's morris
squares
triangles
arithmetic
trigonometry
christmas
simultaneous equations
boundary element methods
warwick
london
football
royal baby
books
anscombe's quartet
24 hour maths
crossnumber
golden ratio
hats
pascal's triangle
ucl
sobolev spaces
correlation
palindromes
geometry
logic
platonic solids
tennis
hyperbolic surfaces
convergence
game show probability
folding tube maps
pythagoras
bots
mathslogicbot
finite element method
machine learning
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