mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
↓ ☰ ↓
subscribe
Loading image...
Comment
Comments
Comments in green were written by me. Comments in blue were not written by me.
2022-12-28
It's becoming a Christmas tradition to do your advent calendar with my partner. Loved being able to narrow down our guesses each day to pinpoint the drone this time around. Thanks for running this!
Liz
on
/blog/97
×4
×3
×3
×3
×3
Archive
Show me a random blog post
2025
Jan 2025
Christmas (2024) is over
Friendly squares
2024
▼ show ▼
▲ hide ▲
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 10+cos(τ) 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
triangles
matt parker
ucl
national lottery
crochet
regular expressions
rhombicuboctahedron
matrices
folding paper
inverse matrices
live stream
braiding
puzzles
exponential growth
bodmas
advent calendar
pythagoras
programming
estimation
folding tube maps
gaussian elimination
dataset
realhats
chebyshev
cross stitch
php
matrix of minors
data visualisation
fractals
tmip
guest posts
youtube
wool
golden spiral
simultaneous equations
electromagnetic field
errors
stickers
news
standard deviation
matrix multiplication
platonic solids
london underground
world cup
martin gardner
mathsteroids
logo
menace
datasaurus dozen
interpolation
determinants
mathsjam
light
pascal's triangle
craft
christmas card
golden ratio
propositional calculus
cambridge
gerry anderson
radio 4
crossnumber
chalkdust magazine
coins
dragon curves
dates
binary
signorini conditions
speed
probability
go
plastic ratio
nine men's morris
bubble bobble
pizza cutting
numerical analysis
numbers
frobel
kings
recursion
logic
graphs
runge's phenomenon
european cup
curvature
arithmetic
manchester
stirling numbers
pi
latex
statistics
convergence
mean
video games
palindromes
preconditioning
royal baby
wave scattering
countdown
hats
manchester science festival
noughts and crosses
hyperbolic surfaces
football
a gamut of games
tennis
logs
the aperiodical
geogebra
fence posts
sport
finite element method
talking maths in public
polynomials
finite group
graph theory
edinburgh
ternary
asteroids
raspberry pi
sorting
boundary element methods
correlation
accuracy
flexagons
reddit
london
rugby
pac-man
pi approximation day
final fantasy
fonts
sobolev spaces
data
approximation
anscombe's quartet
mathslogicbot
game of life
javascript
matrix of cofactors
games
misleading statistics
game show probability
captain scarlet
hexapawn
big internet math-off
weather station
24 hour maths
inline code
geometry
bots
error bars
machine learning
friendly squares
newcastle
royal institution
turtles
bempp
trigonometry
sound
reuleaux polygons
harriss spiral
databet
dinosaurs
python
weak imposition
map projections
phd
quadrilaterals
zines
chess
books
squares
draughts
christmas
computational complexity
oeis
people maths
gather town
hannah fry
Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2025
Jan 2025
Christmas (2024) is over
Friendly squares
2024
▼ show ▼
▲ hide ▲
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 10+cos(τ) 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
dataset
trigonometry
chebyshev
plastic ratio
mathslogicbot
rhombicuboctahedron
map projections
curvature
error bars
london
pascal's triangle
data visualisation
quadrilaterals
bodmas
php
game of life
radio 4
european cup
palindromes
databet
ternary
gerry anderson
signorini conditions
propositional calculus
gaussian elimination
phd
chess
countdown
crossnumber
graph theory
puzzles
logic
manchester
craft
logo
latex
christmas
fonts
folding paper
computational complexity
standard deviation
guest posts
arithmetic
statistics
programming
fractals
numbers
errors
matrix multiplication
people maths
football
misleading statistics
electromagnetic field
folding tube maps
go
convergence
triangles
coins
probability
approximation
speed
runge's phenomenon
sound
determinants
advent calendar
bubble bobble
squares
golden ratio
final fantasy
pi approximation day
chalkdust magazine
inverse matrices
zines
london underground
wool
correlation
hannah fry
hats
graphs
inline code
rugby
manchester science festival
pizza cutting
royal baby
24 hour maths
national lottery
bots
books
datasaurus dozen
recursion
flexagons
platonic solids
sobolev spaces
interpolation
cambridge
frobel
geometry
matrices
golden spiral
estimation
newcastle
mean
light
world cup
fence posts
stickers
pac-man
hexapawn
stirling numbers
pythagoras
reuleaux polygons
youtube
braiding
sport
python
a gamut of games
news
weather station
game show probability
royal institution
anscombe's quartet
reddit
preconditioning
mathsjam
hyperbolic surfaces
oeis
weak imposition
sorting
wave scattering
raspberry pi
ucl
captain scarlet
dragon curves
accuracy
tmip
simultaneous equations
the aperiodical
friendly squares
games
asteroids
noughts and crosses
talking maths in public
regular expressions
mathsteroids
binary
dates
geogebra
cross stitch
numerical analysis
turtles
javascript
martin gardner
live stream
machine learning
finite element method
realhats
kings
bempp
polynomials
nine men's morris
edinburgh
video games
matrix of cofactors
draughts
boundary element methods
christmas card
exponential growth
menace
big internet math-off
gather town
finite group
crochet
data
matt parker
pi
logs
tennis
dinosaurs
harriss spiral
matrix of minors
© Matthew Scroggs 2012–2025
on /blog/97