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McDonald's

10 Delicious Facts About McDonald's Shamrock Shake

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McDonald's

Many people overdo it with the drinking on St. Patrick's Day, but it's not always Guinness or Jameson that gets them into trouble. Sometimes it's the Shamrock Shake, McDonald's uniquely green and often elusive seasonal treat. Here’s the skinny on the 660-calorie indulgence.

1. IT WASN'T ALWAYS KNOWN AS THE SHAMROCK SHAKE.

The original name of the cult classic milkshake was slightly less alliterative. It was called the St. Patrick’s Day Green Milkshake. Catchy, no?

2. IT'S A CHARITABLE ENDEAVOR.

What does the Shamrock Shake have to do with the Ronald McDonald House and the Philadelphia Eagles? Everything, according to the fast food giant. When Eagles tight end Fred Hill’s daughter was being treated for leukemia in 1974, Fred and his wife spent a lot of time in waiting rooms and noticed many other emotionally depleted families doing the same. He thought it would be healthier for families if they had a place to call home while their children were being treated, so he used his football connections to get in touch with a local advertising agency that did work for Mickey D’s. They agreed to give profits from the Shamrock Shake toward a home near the Children’s Hospital in Philadelphia, which ended up becoming the first-ever Ronald McDonald House.

3. UNCLE O'GRIMACEY USED TO BE ITS AMBASSADOR.

Back in the early ‘80s, a fairly offensive character named Uncle O’Grimacey was used to promote the seasonal shake. See for yourself:

4. NO RESTAURANT IS REQUIRED TO CARRY IT.

In 2012, it was announced that, for the first time, the Shamrock Shake would be available in all McDonald's nationwide—but not all restaurants have to carry them. Regional managers decide whether their stores will carry the shakes each year.

5. JIMMY FALLON ONCE DEPLETED A NEW YORK CITY RESTAURANT'S ENTIRE SHAMROCK SHAKE SUPPLY.

If you’re a New Yorker and you didn’t get a much-craved Shamrock Shake in 2011, it’s probably Jimmy Fallon’s fault. When he caught wind that a Union Square Mickey D's had the elusive dessert, he totally cleaned them out—purchasing more than 100 shakes for his audience. New Yorkers were not pleased with Mr. Fallon.

6. THERE WAS AN ICE CREAM OFFSHOOT. (IT DIDN'T FARE AS WELL.)

Despite the smashing success of the shake, the Shamrock Sundae was a dismal failure. Introduced in 1980, it was discontinued after just a year. Apparently people prefer their unnaturally green desserts in shake form as opposed to scoop form.

7. THERE HAVE BEEN MANY SUPER-SIZED VERSIONS.

Behold, the biggest Shamrock Shake ever made. For a few years, a giant shake was poured into the Chicago River to help contribute to the green hue it’s dyed every year. A donation was also made to the Ronald McDonald House.

8. THERE'S A WEBSITE DEDICATED TO HELPING YOU TRACK ONE DOWN.

Are you one of those unfortunate souls who has to hunt the shake down every year? There are others like you, and they can help—at ShamrockShake.com, other fans will tell you the exact location and time where they located it.

9. YOU CAN MAKE YOUR OWN AT HOME.

If you still can’t find a shake, you have one other option: make your own.

10. THEY NOW COME WITH A SPECIAL STRAW.

McDonald's

Last month, McDonald's unveiled an amazing innovation for Shamrock Shake lovers: the STRAW. Short for Suction Tube for Reverse Axial Withdrawal, the STRAW was designed by real engineers at the aerospace and robotics engineering firms JACE and NK Labs—specifically with the Shamrock Shake in mind. What sets the device apart from conventional straws is the sharp bend in its shape and the three, eye-shaped holes in addition to the opening at the bottom end. The extra holes are positioned in a way that allows drinkers to take a sip of a new layered version of the frosty treat that’s equal parts top mint layer and bottom chocolate layer.

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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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Name the Author Based on the Character
May 23, 2017
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