The Feeling Of Power

November 30, 2007 in Links

Slide Rules for Connoisseurs (and, presumably, a motivating example).
A 19th Century Algebra book, spotted at KTM.
Hey, look: more 19th C. textbooks (at ZeroDivides).
A bunch of logic puzzles.

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Everything Being A Constant

November 29, 2007 in Carnival, Links

Matt-a-matical Thinking is host to the current Carnival of Education.
Meanwhile, there was no Carnival of Mathematics two weeks ago. But Ben Webster will presumably have something for us tomorrow.

No, *You* Tube!

November 28, 2007 in Links

A video about , reprinted at The Math Less Travelled.
Why your teachers feel it is necessary to torture you with proofs (Tony Lucchese).
There’s at least one video of a Tom Lehrer song posted at atdotde today. And something else that my browser can’t read.

WAM!

November 27, 2007 in Links

I spotted this LEGO® Difference Engine right here at Wild About Math!.
I’d seen Andrew Lipson’s Mathematical Lego Sculptures page already but misplaced it until now. Here’s more by Andrew Lipson. This Escher-inspired construction is priceless.
An MS Word file on Math & Lego by Eugenia Cheng.
Eric Harshbarger has some Lego puzzles (and much more).
Søren Eilers disputes a calculation in the Lego literature.
Understanding Lego Geometry (Mario & Julio Ferrari).

Descartes Before Dehors

November 26, 2007 in Links

The history of graph paper, at MUtM.

No Harm No Fowl

November 20, 2007 in Uncategorized

“The Simple Math of Everything”, at

What Is Now Proved

November 15, 2007 in Homepage, Links

Lots of terrific stuff in the new Notices.
A bibliography for Non-Standard Analysis at Mort aux Triangles!.
A Hillary Putnam talk reviewed at Antimeta.
Tiny math videos reviewed at C&GP.

Bed, Bath, and Bus

November 9, 2007 in Links

A Call for Napkins, at my slice of pizza (spotted at WebDiarios).
Jeffrey Morton prepares for Groupoidfest: useful remarks on math-blogging.
MPG in support of David Wasserman. There’s a story in here beyond his usual horribly misguided verbosity.
Sariel Har-Peled on Hamming on research.

What’s Yellow And Equivalent To The Axiom Of Choice?

November 8, 2007 in Uncategorized

Coloring and the Continuum Hypothesis, at Computational Complexity.

Shine, Perishing Republic

November 7, 2007 in Links

KTM regular Barry Garelick recently published a three part series on (what so-called “reformers” insist on calling) “traditional” methods in elementary mathematics education. The fight-the-reader page design isn’t his fault.
Better Explained gets enthusiastic about Pythagoras.
Eugenia Cheng (and Aaron Lauda)’s guidebook on Higher-Dimensional Categories appears to be something I’ll want to look at. Good thing I’ve just bookmarked it. (I spotted her in this thread at the ever-fascinating Gowers’s.)
Reasonable Deviations briefly reviews a paper on infinitesmals.