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How To: Wrestle an Alligator

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1 Alligator, un-sedated and unbowed
1 Person, just a little bit crazy
1 Rope, preferably strong

Do: Check the Classifieds
In 2000, members of the Seminole tribe near Hollywood, Florida put an ad in a local paper. They were looking for a new alligator wrestler. While mano-y-gator conflict is nothing new to the Seminoles (the leathery beasts were once a valuable—and traditionally hand-caught—food source), it's only recently that the tribe has had such hard luck finding people willing to jump in there (i.e. the swamp) and go for it (i.e. pin several-hundred-pound, sharp-toothed creatures to the ground with only their soft and presumably tasty bodies). However, this isn't necessarily a bad thing. Wrestling alligators for the benefit of white tourists used to be one of the few Seminole-friendly job markets in Florida, but that's changed. Seminoles now have improved access to higher education and better paying (and significantly less lethal) jobs. They also tend to own their own tourist attractions now, instead of working for outsiders. All of this adds up to fewer Seminoles willing to meet the continued tourist demand for alligator wrestling—thus, the need for a classified ad.

Don't: Expect A Great Pay Scale

Answering the ad, and ultimately winning the gig, was 32-year-old Greg Long. By November 10 of 2000, Long was wrestling alligators for $8 an hour. Yes, believe it or not, this dangerous job pays only a little better than a nice, safe McDonalds' burger-flipper position. Remember, tipping your alligator wrestler is recommended.36387a346b56354c6c68744d716b7356594267-100x100-0-0.jpg

Do: Expect to Get Bit
The "wrestling" in alligator wrestling is something of a misnomer. Rather than thrashing about Greco-Roman (or even WWF) style, an alligator wrestler's main goal is to catch an alligator from a pool or pit and then bind its jaws shut with a rope. Along the way, they might perform a few tricks, such as carefully setting their chin on the gator's upturned maw, all while explaining a few interesting tidbits about the animals' habits and biology to the crowd. Despite not being nearly as violent as it sounds, all alligator wrestlers will most likely be bitten at some point. Capturing and pinning a "˜gator requires a significant amount of strength and timing. One wrong move, and your arm or leg could become lunch. In 2006, an alligator took a real-estate baron down a peg when the businessman tried to wrestle the beast on a whim. Florida land-developer Ronald Bergeron suffered several shattered finger bones after he tried to wrestle an alligator during a party. In fact, the 'gator actually dragged Bergeron underwater briefly before party guests were able free him.

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iStock // Ekaterina Minaeva
Man Buys Two Metric Tons of LEGO Bricks; Sorts Them Via Machine Learning
May 21, 2017
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iStock // Ekaterina Minaeva

Jacques Mattheij made a small, but awesome, mistake. He went on eBay one evening and bid on a bunch of bulk LEGO brick auctions, then went to sleep. Upon waking, he discovered that he was the high bidder on many, and was now the proud owner of two tons of LEGO bricks. (This is about 4400 pounds.) He wrote, "[L]esson 1: if you win almost all bids you are bidding too high."

Mattheij had noticed that bulk, unsorted bricks sell for something like €10/kilogram, whereas sets are roughly €40/kg and rare parts go for up to €100/kg. Much of the value of the bricks is in their sorting. If he could reduce the entropy of these bins of unsorted bricks, he could make a tidy profit. While many people do this work by hand, the problem is enormous—just the kind of challenge for a computer. Mattheij writes:

There are 38000+ shapes and there are 100+ possible shades of color (you can roughly tell how old someone is by asking them what lego colors they remember from their youth).

In the following months, Mattheij built a proof-of-concept sorting system using, of course, LEGO. He broke the problem down into a series of sub-problems (including "feeding LEGO reliably from a hopper is surprisingly hard," one of those facts of nature that will stymie even the best system design). After tinkering with the prototype at length, he expanded the system to a surprisingly complex system of conveyer belts (powered by a home treadmill), various pieces of cabinetry, and "copious quantities of crazy glue."

Here's a video showing the current system running at low speed:

The key part of the system was running the bricks past a camera paired with a computer running a neural net-based image classifier. That allows the computer (when sufficiently trained on brick images) to recognize bricks and thus categorize them by color, shape, or other parameters. Remember that as bricks pass by, they can be in any orientation, can be dirty, can even be stuck to other pieces. So having a flexible software system is key to recognizing—in a fraction of a second—what a given brick is, in order to sort it out. When a match is found, a jet of compressed air pops the piece off the conveyer belt and into a waiting bin.

After much experimentation, Mattheij rewrote the software (several times in fact) to accomplish a variety of basic tasks. At its core, the system takes images from a webcam and feeds them to a neural network to do the classification. Of course, the neural net needs to be "trained" by showing it lots of images, and telling it what those images represent. Mattheij's breakthrough was allowing the machine to effectively train itself, with guidance: Running pieces through allows the system to take its own photos, make a guess, and build on that guess. As long as Mattheij corrects the incorrect guesses, he ends up with a decent (and self-reinforcing) corpus of training data. As the machine continues running, it can rack up more training, allowing it to recognize a broad variety of pieces on the fly.

Here's another video, focusing on how the pieces move on conveyer belts (running at slow speed so puny humans can follow). You can also see the air jets in action:

In an email interview, Mattheij told Mental Floss that the system currently sorts LEGO bricks into more than 50 categories. It can also be run in a color-sorting mode to bin the parts across 12 color groups. (Thus at present you'd likely do a two-pass sort on the bricks: once for shape, then a separate pass for color.) He continues to refine the system, with a focus on making its recognition abilities faster. At some point down the line, he plans to make the software portion open source. You're on your own as far as building conveyer belts, bins, and so forth.

Check out Mattheij's writeup in two parts for more information. It starts with an overview of the story, followed up with a deep dive on the software. He's also tweeting about the project (among other things). And if you look around a bit, you'll find bulk LEGO brick auctions online—it's definitely a thing!

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Nick Briggs/Comic Relief
What Happened to Jamie and Aurelia From Love Actually?
May 26, 2017
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Nick Briggs/Comic Relief

Fans of the romantic-comedy Love Actually recently got a bonus reunion in the form of Red Nose Day Actually, a short charity special that gave audiences a peek at where their favorite characters ended up almost 15 years later.

One of the most improbable pairings from the original film was between Jamie (Colin Firth) and Aurelia (Lúcia Moniz), who fell in love despite almost no shared vocabulary. Jamie is English, and Aurelia is Portuguese, and they know just enough of each other’s native tongues for Jamie to propose and Aurelia to accept.

A decade and a half on, they have both improved their knowledge of each other’s languages—if not perfectly, in Jamie’s case. But apparently, their love is much stronger than his grasp on Portuguese grammar, because they’ve got three bilingual kids and another on the way. (And still enjoy having important romantic moments in the car.)

In 2015, Love Actually script editor Emma Freud revealed via Twitter what happened between Karen and Harry (Emma Thompson and Alan Rickman, who passed away last year). Most of the other couples get happy endings in the short—even if Hugh Grant's character hasn't gotten any better at dancing.

[h/t TV Guide]