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## Are the 49ers skilled, or just lucky?

Fans of the two football teams who face off in the Super Bowl will no doubt spend the weekend filled with nervous anticipation - hopeful that their team will emerge victorious, but certain of the knowledge that there can only be one champion.  For the rest of us, we must hang our heads with relative degrees of shame, and bide our time until the next season brings with it the promise of new opportunities for all 32 NFL teams.

For a San Francisco 49ers fan like myself, most of the last decade has been spent in a fairly constant state of disappointment.  But after ten years without a playoff appearance, the team blossomed this season under the influence of new head coach Jim Harbaugh, and came within one game of their first Super Bowl appearance since 1995.

This poster hangs proudly in our apartment.

Despite a great season, in which the team won 13 of their 16 games for the first time since 1997, many people have still voiced doubts about whether or not this team is for real.  What if...

## Lego Math Maniac

Though I have lived in Southern California for several years, I have never been to Legoland, a theme park based around the classic (and awesome) children's toys.  The park perennially sits in the shadow of more popular parks in the region (e.g. Disneyland, Universal Studios, and the Banana Club Museum), and its prices make it hard to justify a visit for an adult male with no children, no matter how many fond Lego memories he may have from his childhood.  However, given the recent attention Lego has received in the context of mathematics, it may be time to finally plan a trip.

A recent article on Wired's website discusses the mathematics of Lego - more specifically, it highlights an article on the complexity of Lego systems.  As any child will tell you, Lego sets can vary from very simple, small sets, to much larger and more complicated ones.  As a simple corollary, smaller sets will have fewer pieces, and larger sets will have more pieces.  But how does the number of types of pieces...

## Car Talk Mathematics

Happy 2012! I hope you all has a restful and calorie-filled holiday.  For my part, the holidays typically involve a fair amount of driving, and ergo, a fair amount of listening to podcasts.  To that end, I'd like to ease into a new year of mathematics by considering a simple puzzle, one which was featured recently on NPR's Car Talk.  If you are not fortunate enough to have listened to this show, it centers on two brothers from Cambridge, Massachusetts, affectionately known as Click and Clack, the Tappet Brothers (though their real names are Tom and Ray Magliozzi).  Each week, in between a fair amount of good-natured banter, the brothers field a variety of automotive questions from callers nationwide.

Even XKCD is on the Car Talk bandwagon! (Click the image to go to the source.)

Most significant to our present discussion, however, is Car Talk's weekly diversion known as the Puzzler.  Each week, the brothers read a Puzzler (i.e. a brain teaser) to their listeners and request solutions...

## Two Cups of Mathematics

With the holidays in full force, many of you are no doubt spending time in the kitchen; those of you who aren't are nevertheless reaping the benefits provided by those who are.  'Tis the season of baked goods, and if you are lucky enough to have a family member who knows how to bake, then for the month of December you will eat like a king.

This dude knows a thing or two about baked goods.

For my money, the best part of the baking process (aside from the delicious final act) is the careful and precise initial measurement of the ingredients.  Keeping an accurate account of the relative proportions of each piece of the recipe is a hallmark of baking, and reflects the nature of baking itself: one part art, one part science.  Unlike some other culinary arts, the measurements really do matter.  Screw up these proportions and those fudgy brownies you want to make will be too cakey (or vice versa).

But what in the recipe accounts for the qualitative differences we see and taste in the wide...

## An Introduction to Pumpkin Chunkin'

In a recent episode of ABC's Modern Family, Cameron and Mitchell (the show's unambiguously gay duo) are with some friends talking about Thanksgiving when Cameron decides to tell a story from his youth which, in his opinion, is quite compelling.  Mitchell knows better, but doesn't have the heart to tell him that this particular story suffers from some basic structural flaws.  As Mitchell puts it, the story can be summarized as follows: "Once Cam and his friends tried to slingshot a pumpkin across a football field.  Three seconds.  That's all you need to tell that story."

Needless to say, Cameron's version of the story is much more embellished. In his rendition, their experiment was a success; as he puts it, the pumpkin flew across the field, "goal post to goal post."

When I first heard him say this, my initial thought was "Is Cameron telling the truth?"  How likely is it that a pumpkin, launched from a slingshot at one end of a football field, could sail through the air to land on...

## The Calculus Diaries

As the holiday season begins, I recently felt compelled to read through a gift I received over the holidays last year, a book called The Calculus Diaries.  Written by English major Jennifer Oullette, who, by her own admission, had to overcome a not uncommon fear mathematics to write it, the book attempts to do what any reasonable Calculus course ought to do, but in front of a larger audience: convince the reader of the universal applicability and beauty of the subject.

Unlike most Calculus textbooks, however, Oullette's book has an extra helping of sympathy for its audience.  Oullette's goal is not necessarily to make her readers expert mathematics students; instead, she focuses on unifying seemingly disparate types of problems under the umbrella of Calculus.  Included amongst these examples are applications of Calculus to the equations of motion, thermodynamics, surfing, and the spread of disease.  The wheel is not being reinvented here - most of these examples (with the possible...

## 11/11/11. Great.

To the question making the news circuit today ("Does today's date have any special significance?") I believe an article at Scientific American provides the most compelling answer: no.  Not only does the article brush aside suggestions that this day might have some deeper meaning, but it also spends some time discussing why such numerological curiosities capture our collective imagination to the extent that they do.  If you only read one article about 11/11/11 today (or two, I suppose, since you're already reading this), let it be that one.

If you are a masochist like me, though, there are plenty of ridiculous articles floating around today to help you get your blood boiling.  One of my favorites comes from today's Philadelphia Inquirer.  It's full of gems like:

• One may be the loneliest number, [La Salle University math teacher Stephen] Andrilli said, but 11 ranks among the most odd - and not just because it isn't even. He sees 11 as sort of a netherworld number - one more than the...

## Math of Macarons

A few weeks ago, I was downtown with the missus when we stumbled upon the Bottega Louie Restaurant and Gourmet Market.  The window display was enticing, so we went inside and discovered, among other things, a bakery.  This one's focus was the macaron, one of many sweets aiming to topple the cupcake as the trendiest dessert, and so for a town obsessed with the current trends, it is no surprise that Los Angeles is home to several similarly specialized patisseries.

Though smaller than the average cupcake, the macaron is also more labor-intensive, and is therefore frequently on the more expensive end of the confectionery spectrum.  The macarons at Bottega Louie, for example, will run you \$1.75 each.

One of many delightful flavors.

If you need a sweet fix, though, a single macaron may not be enough.  Anticipating such a first-world problem, Bottega Louie also offers boxes of macarons for purchase.  The boxes come in three sizes: the small holds five macarons, the medium holds thirteen...

## Math + Halloween, Part 4

It's that time of year again.  If you are looking for some math-themed costume ideas, then look no further.  Though it gets harder to keep this tradition with each passing year, here are a few ideas is you're looking to rock that mathematical look at whatever event you are planning to attend during this frightful Halloween season.  Ideas from previous years can be found here, here, and here.

1. Tony Stark

Yes, yes, I know - since Iron Man hit the screens in the summer of 2008, the titular character has become a popular costume idea, joining the ranks of comic book icons like Superman and Spiderman.  I'm not talking about dressing up as Iron Man, though.  Instead, I am recommending a costume based on the man inside the suit - Tony Stark, playboy billionaire and (more importantly) mathematical wünderkind.  All you really need is some delicately coiffed facial hair and a glowing circle on your chest.  Aside from that, the world is really your oyster...

## A Mathematics Community

Whether knowingly or not, NBC Thursday night comedies have made occasional dalliances with mathematics.  For example, you can see here for a mathematical discussion inspired by The Office, and here for one inspired by Parks and Recreation.

Today I would like to add to this esteemed list the show Community, now in its third season on NBC's Thursday block.  As the title indicates, the show centers around a group of friends who are students at the fictional Greendale Community College (how this formula will pan out if the show lasts more than four seasons is uncertain).

In a recent episode (titled Competitive Ecology), the gang divides themselves up into pairs of lab partners for Biology class, but they quickly discover their pairings are less than ideal - especially since, with an odd number in the central crew, one member must pair up with someone who is not in their clique.  Their first assignment is to build a terrarium, and with the deadline quickly approaching, they need to find...

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