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Chicago Will Throw a Three-Day Festival to Honor Ferris Bueller's Day Off

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A high school student playing hooky is usually cause for condemnation, not celebration. However, that isn’t stopping the city of Chicago from throwing a big party this spring to honor the Midwest's most charming fictional troublemaker: Ferris Bueller. The three-day Ferris Fest—to be held in and around the Chicago area from May 20 to 22, according to WGN-TV—will mark the 30th anniversary of '80s film classic Ferris Bueller's Day Off, which was released in theaters on June 11, 1986.

Directed and written by John Hughes, the flick starred Matthew Broderick as the titular character, along with Mia Sara as Bueller's girlfriend, Sloane Peterson, and Alan Ruck as his best friend Cameron. The trio skips school and spends a day frolicking around downtown Chicago. They dine at a French restaurant, crash a parade, regale onlookers with a rendition of The Beatles’ “Twist and Shout," and visit a slew of landmarks, including the Sears Tower (now the Willis Tower), the Art Institute of Chicago, and Wrigley Field.

Keeping in the spirit of the movie, Ferris Fest will offer a live re-creation of the film's "Twist and Shout" parade sequence and a two-day, two-part bus tour of movie locations, including the Willis Tower, Glenbrook North High School (the suburban high school where exterior shots of Bueller’s fictional alma mater were filmed), and Cameron’s house in Highland Park, Illinois.

The event will also feature a special screening of Ferris Bueller’s Day Off at the John and Nancy Hughes Theater in Lake Forest, Illinois, on Saturday, May 21. Film critic Richard Roeper will host the event, which will include a Q&A with Ferris's parents, played by Cindy Pickett and Lyman Ward, and the French restaurant maitre d' Jonathan Schmock. Organizers say they’re trying to recruit even more actors and producers to join the event.

As the Chicago Tribune points out, Ferris Bueller's Day Off received a two-star review from Tribune movie critic Gene Siskel, who deemed it a “film that doesn’t seem to know what it’s about until the end.” However, no one can argue that the flick isn't a celebration of the Windy City from start to finish.

Full three-day festival tickets are $300, and include admission to the above tours and activities along with access to meet-and-greets, an opening night party, admission to a replica of Ferris Bueller's bedroom, and a T-shirt. One-day tickets for Saturday or Sunday are $175. For more information, visit the official Ferris Fest website.

[h/t WGN-TV]

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iStock // Ekaterina Minaeva
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Man Buys Two Metric Tons of LEGO Bricks; Sorts Them Via Machine Learning
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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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iStock
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Why Your iPhone Doesn't Always Show You the 'Decline Call' Button
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iStock

When you get an incoming call to your iPhone, the options that light up your screen aren't always the same. Sometimes you have the option to decline a call, and sometimes you only see a slider that allows you to answer, without an option to send the caller straight to voicemail. Why the difference?

A while back, Business Insider tracked down the answer to this conundrum of modern communication, and the answer turns out to be fairly simple.

If you get a call while your phone is locked, you’ll see the "slide to answer" button. In order to decline the call, you have to double-tap the power button on the top of the phone.

If your phone is unlocked, however, the screen that appears during an incoming call is different. You’ll see the two buttons, "accept" or "decline."

Either way, you get the options to set a reminder to call that person back or to immediately send them a text message. ("Dad, stop calling me at work, it’s 9 a.m.!")

[h/t Business Insider]

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