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10 Things We Learned About Kim Jong-Un From His Classmates

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North Korean dictator Kim Jong-un is one of the great agitators in modern political culture. Known for being temperamental—he is said to have executed his uncle for plotting a coup—and unpredictable, Kim has helped give his country the reputation of being a wild card that can capture the attention of the world’s superpowers.

Like any powerful leader, Kim was once just a bright young man with homework. At the behest of his father, former supreme leader Kim Jong-il, Kim was schooled in a Swiss boarding school between 1998 and 2000, and the media has often turned to his former classmates to uncover details about his teenage personality. No one has yet discovered his doodled-on yearbook or a prom photo, but his peers did have some other insights. Here’s what we know about Kim Jong-un’s formative years.

1. HE LOVED HIS AIR JORDANS.

Young Kim probably never dreamed he would one day be hanging out with former Chicago Bull Dennis Rodman, but it must have been some kind of life goal: the 17-year-old was obsessed with basketball in general and the Bulls in particular, devoting an entire room in his apartment to memorabilia. Kim also spent time penciling sketches of Michael Jordan and was said to favor Air Jordans both on and off the court.

2. HE HAD AN ALIAS.

Not wishing to be identified as the son of Korean leader Kim Jong-Il, Kim registered with the Swiss school Liebefeld Steinhölzli Schule under the name Pak Un. He claimed to be the son of a North Korean embassy employee in Bern, the capital of Switzerland. Both teachers and students alike noticed that Kim’s parents never showed up for school functions.

3. HE LIKED ACTION MOVIES.

In 2009, friends of Kim’s related to The Washington Post  that Kim was slightly socially awkward, particularly around girls; when he wasn't watching basketball, he was usually watching action movies and using his Sony PlayStation. Kim played combat games and reportedly enjoyed the filmography of Jackie Chan.

4. HE HAD AN ENTOURAGE.

Kim’s presence was unique in the Swiss school for his entourage: At any point, a small number of Koreans appeared to be acting as servants, bodyguards, or assistants for Kim. Two employees would videotape his basketball games. Friends thought it was “strange” but wrote it off as “a Korean thing.”   

5. HE OVER-SHARED.

Despite the lengths his family went to keep his real name a secret, Kim couldn’t always help but share his father was the leader of North Korea. According to classmate Joao Micaelo, Kim once announced his heritage during a conversation with him. Micaelo thought Kim was lying. “Normally the children of people like this, they don’t go to a normal school,” Micaelo told CNN in 2010.  

6. HE WOULD NOT TOLERATE COLD SPAGHETTI.

Friend Micaelo often visited Kim at his apartment, which was located at the Korean Embassy’s headquarters. While he noted that Kim was typically a little reserved, he didn’t see any flash of anger until the Embassy’s chefs served the two of them lukewarm pasta one evening. “He spoke to the servants in a manner that was quite sharp,” Micaelo told The Telegraph in 2010. “I was surprised because it was not how he normally was.”

7. HE FAVORED TRACK SUITS.

Like Tony Soprano and his father before him, Kim tended to dress for comfort, not presentation. His wardrobe apparently consisted heavily of Nike track suits, which he wore to class. 

8. HE WASN’T THE SMARTEST KID IN CLASS.

Although Kim was two years older than most of his classmates because he wasn’t as proficient in German, he still struggled to keep up academically. In 2012, The Telegraph reported that Kim missed 75 days during his first year of school and 105 days his second, flunking natural sciences and getting minimum passing grades in most other subjects.

9. HE GORGED HIMSELF ON SWISS CHEESE.

Prone to bragging about how much he can eat and drink, Kim may have developed an appetite for gastronomic excess during school. He was reportedly so fond of Swiss cheese that he later deployed his personal chefs to a French culinary school to try and replicate the medium-hard Emmental he had enjoyed while he was a student. Kim is said to have gained 90 pounds from 2012 to 2016, though it's unknown how much of this was a result of his cheese intake.

10. HE TOTALLY VANISHED.

Kim still had a partial school year to finish out when he abruptly disappeared in 2000. He offered no forwarding address nor any indication that he might be leaving. “We thought he was ill or something and would soon be back,” former classmate Nikola Kovacevic told The Washington Post. “I hope he is a good dictator, but dictators are usually not that good.”

All images courtesy of Getty Images.

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iStock // Ekaterina Minaeva
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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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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]

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