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On Tuesday morning, Michael Pinsker started proceedings with the last part of his tutorial. He finished up what he had to say about cases where the age of the infinite template has the Ramsey property (you can use this to … Continue reading →

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Mathematics education is much more complicated than you expected, even though you expected it to be more complicated than you expected.~ Edward Griffith BegleThe 331st day of the year; 31, 331, 3331, 33331 are all prime. What percentage of the numbers 33....331 are prime? Is there a pattern? A nice symmetric pic from Jim Wilder@wilderlab:331 is also the sum of five consecutive primes. It is both a centered Pentagonal number and a centered Hexagonal number.EVENTS1727 Isaac Greenwood began his […]

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These last few weeks the news has been full of lots of seemingly conflicting messages about renewables, so I figured it was worth talking about things a little bit in a post. First, the good news. The old conventional wisdom that solar can never match prices with conventional generation is just plain false at this […]

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Here is a graph solution to the recent combinatorics Le Monde mathematical puzzle, proposed by John Shonder: N is a golden number if the sequence {1,2,…,N} can be reordered so that the sum of any consecutive pair is a perfect square. What are the golden numbers between 1 and 25? Consider an undirected graph GN […]

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As I wrote this morning on twitter: The outcome isn’t really surprising at all since: (1) I’ve never taught young kids before, (2) I’ve never taught elementary math before, (3) The experience with one kid probably doesn’t translate in any way to the other kid, and . . . well, I could probably get to…

freakonometrics tweeted: @freakonometrics

"Réseaux sociaux contre réseaux sociaux ?" http://t.co/0zxRfBWB1c (oui, je (re)découvre le blog passionnant de @MondesSociaux ce matin)

2014-11-27 08:30:11

freakonometrics tweeted: @freakonometrics

"Le 9 balle sull’immigrazione (smentite dai numeri)" http://t.co/rJ3MxsqdFp

2014-11-27 08:27:51

freakonometrics tweeted: @freakonometrics

"L'avantage économique apparent des métropoles : un problème de méthode de calcul ?" http://t.co/FLPMT4l9E5 par @obouba

2014-11-27 08:26:39

michiexile tweeted: @michiexile

A bit distracted today by the women-as-ornament subtext of "I love your breasts the way they are"...

2014-11-27 07:55:31

rmathematicus tweeted: @rmathematicus

Buhl Planetarium Scale-Model Joins Miniature Railroad and Village http://t.co/DtKtgUCK1N

2014-11-27 07:46:25

michiexile tweeted: @michiexile

RT @zip: now I've been here a year it's very, very clear that the police are the major danger to everyone here. they scare the shit out of …

2014-11-27 07:36:46

michiexile tweeted: @michiexile

RT @zip: worse, I realised that I had to an extent bought into that code. I feel like that's something I somehow learned from a year in SF

2014-11-27 07:36:32

michiexile tweeted: @michiexile

RT @zip: y'know, before I moved to oakland I thought it was a "rough area". Later I realised that this was code for black people.

2014-11-27 07:36:26

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