Second Xamuel.com Linkfest
It’s that time again, time for another irregular linkfest. I’m still getting the hang of running these. Maybe this batch is a bit larger than I was anticipating. I guess two weeks is too long a period when there’s so much interesting material to share 
The previous linkfest is here: The First Xamuel.com Irregular Linkfest
Blogs and Similar Writings
Ngô Quốc Anh: Cofactor matrix has divergence-free rows
John Armstrong: Bump Functions
John Baez: This Week’s Finds (Week 312), (Week 313)
Ken Baker: Whiteheadtangletangle…adnauseum
John Bamberg: An exercise in number theory?
Ruben Berenguel: Road Trip Through Iceland: Day 4 – Two magic places, Svartifoss and Jökulsárlón
Ben Burgis: Some Objections to the Meaninglessness Solution to the Liar Paradox
David Corfield: Tarski’s Two Approaches to Modal Logic
Diana Davis: Choosing a graduate school
Default User: Propaganda
Cory Doctorow: War on the PC and the network: copyright was just the start
Brian Dunbar: Dear JPMorgan Chase
Nathan Eady: Three-Balloon Clown (with Twisting Instructions)
Mark Eichenlaub: Visualizing Elementary Calculus: Introduction, Visualizing Elementary Calculus: Trigonometry, A Non-mathematician’s Non-apology, My Brown Big Spiders
Enigman: Curry’s paradoxes, Simmons’ paradox
Lance Fortnow: Computer Science Takes Over
Bill Gasarch: Update on 17×17 problem
Victor Gijsburs: IF Theory Reader: “Crimes against Mimesis” by Roger S. G. Sorolla
Timothy Gowers: Milnor wins 2011 Abel Prize
Simon Grey: Private Protection of IP
Johann Hari: You Are Being Lied To About Pirates
Hilbertthm90: Gauss-Manin Connection, Connections and Curvature … on Schemes! … in Characteristic p?!
Khatzumoto: Timeboxing Trilogy, Part 10: Timeboxing, Tony Schwartz and Recovery
Emmanuel Kowalski: The group algebra as “universal endomorphisms”
JSE: How the Hippies Saved Physics: David Kaiser visits UW April 1
Dick Lipton: Happy St. Patrick’s Day–Again Again, Levin’s Great Discoveries
Michael Lugo: What is the origin of Kirillov’s lucky number problem?
Akhil Mathew: Polynomial-map involutions on
Mersenne: Nerdy chat-up lines
Mikko Mononen: Simulating Human Collision Avoidance, Layers in Detour
Jeffrey Morton: HGTQGR – Part IIIa (Workshop)
Matt Novak: Lunar Crawlers (1964)
Vik Olliver: Double Wade sighted in the workshop
Orchid64: Won’t Miss #299 – missing sisters, The Situation Now In Tokyo
Christopher Olah: To Print A Vacuum Cleaner
Alex Papadimoulis: The Glitchy SVN, The Disgruntled Bomb
Paul: Earthquake, three days later
Chad Perrin: Project Activity != Project Health
The Physicist: What is going on in a nuclear reactor, and what happens during a meltdown?
Roadwolf: My Ideal Computer Game
Steven Sam: Dickson Invariants
Sam Shah: Books! Books! Books!
Jeffrey Shallit: No Smoking Fail
Derek Sivers: There’s No Place Like Home
Three-Toed Sloth: Speaking Truth To Power About Weblogs, Or: How Not To Draw a Straight Line, The Distribution of Library Book Circulation Is Not a Power Law, or, Gauss and Man at Huddersfield
Derek Smith: Space Math Repetition Repetition
South Bend Seven: GE’s Taxes, Should I Have…, Arab league tries the ol’ one-two
David Speyer: How to think about Hodge decomposition
Branden Stone: Math, Communication, and Kids
Terence Tao: Bezout’s inequality, The shallow water wave equation and tsunami propagation
Luca Trevisan: Beauty and the Computer, CS261 Lecture 18: Using Expert Advice
Ulysses: Small Observations on Consumption Directed Toward Kids
Moor Xu: Happy Pi Day!
Kelly Yancey: More TSA Lunacy
Qiaochu Yuan: Pi is still wrong
Yan Zhang: Why Hopf Algebras
Art/Photography
Mike Fenwick: Bike Lane Guys
Jessica Hagy: Just Pick One
Locohama: Earthquake Damage in my Neighborhood
Telefunker: Papeterie L et C (Belgium), Needle Factory (Germany)
Music
Ibojima, Higher Energy
John Stanford, Ambient Music
Jamie Thompson: Ode to the Flying Buttress