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8 Extraordinary Examples of Constrained Writing

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Constrained writing is a catch-all literary term for a whole host of written forms or techniques that limit what or how authors or poets write by forcing them to use a specific set of words, or to work within a strict set of rules or parameters. In simple terms, poetry and even song-writing can be considered examples of constrained writing, since their lines often need to rhyme or contain a fixed number of syllables or beats. Some forms of poetry are naturally more rigid then others—haikus, for instance, fit their 17 syllables into the strict pattern 5–7–5, while all but three of William Shakespeare’s 154 sonnets follow the rhyme scheme ABAB–CDCD–EFEF–GG—but at the most extreme, some forms of constrained writing are even more self-limiting and end up being very, very constrained indeed.

1. MANDATED VOCABULARY

One of the simplest forms of constrained writing is limited or mandated vocabulary, wherein a writer either prohibits certain words or else limits themselves to a particular set or number of words, or to words that fit a particular brief. Doug Nufer’s appropriately-titled 2004 novel Never Again, for instance, didn’t use a single word more than once. Le Train de Nulle Part (The Train From Nowhere) by the French novelist Michel Thaler didn’t contain a single verb. And the 2008 novel let me tell you by Paul Griffiths comprised only the 483 words spoken by Ophelia in Shakespeare’s Hamlet.

But probably the most famous example of a work of mandated vocabulary is Dr. Seuss’s Green Eggs And Ham (1960), which was written in response to a bet between Seuss and his publisher, Bennett Cerf, that he could not complete a story using no more than 50 different words. Seuss returned with a work using only the words a, am, and, anywhere, are, be, boat, box, car, could, dark, do, eat, eggs, fox, goat, good, green, ham, here, house, I, if, in, let, like, may, me, mouse, not, on, or, rain, Sam, say, see, so, thank, that, the, them, there, they, train, tree, try, will, with, would and you, and won the bet.

2. LIPOGRAM

A lipogram is a literary work in which a particular letter of the alphabet is intentionally avoided. The difficulty of writing lipograms obviously depends on the frequency of the letter or letters in question (after all, this description entirely avoids using the letter Z without a problem), but things get really tough when it’s the most common letters in the language that are excluded.

None of the more than 50,000 words in Ernest Vincent Wright’s novel Gadsby contain the letter E, for instance, and nor do any of the words in the French writer Georges Perec’s 1969 novel La Disparition—which was translated into English, still following Perec’s original rule, by the writer and critic Gilbert Adair in 1995 and published under the title A Void. Perec later published a novella, Les Revenentes (1972), incidentally, in which E was the only vowel.

3. RHOPALISM

A rhopalic poem or sentence is one in which each successive word is one letter (or, typically in poetry, one syllable) longer than the previous one. Due to the fact that the personal pronoun, I, is only one letter long in English, shorter sentences that follow this rule are fairly easy to construct (“I am now here,” “I do her hair,” “I go and walk there weekly”) but as the sentences get longer, rhopalism becomes an increasingly tough rule to follow. In 1965, however, the linguist and author Dmitri Borgmann came up with a staggering 20-word sentence that followed the rules of rhopalism perfectly:

“I do not know where family doctors acquired illegibly perplexing handwriting; nevertheless, extraordinary pharmaceutical intellectuality, counterbalancing indecipherability, transcendentalizes intercommunications’ incomprehensibleness.”

4. ABECEDARIUS

An abecedarius is a specific type of acrostic poem in which successive lines or verses begin with each letter of the alphabet in order. Geoffrey Chaucer’s 23-verse poem "A. B. C."—written in the 14th century, before J, U and W were even added to the English alphabet—is among the form’s most famous examples.

5. PALINDROME

A palindrome is of course a word (civic, radar, rotator) or a phrase (“don’t nod,” “was it a cat I saw?”) that reads the same backwards as forwards. As a form of constrained writing, however, palindromes can be extended to extraordinary lengths: In his 2012 book, This Is A Book, the comedian and writer Demetri Martin compiled a 500-word poem “about a guy in a strip club who becomes infatuated with two strippers, Tina and Stella.” The entire poem—which opens “Sexes. / Eh, the sexes. / Never even. Still, it’s DNA.”—reads the same backwards and forwards.

6. TAUTOGRAM

A tautogram is an extreme form of alliteration in which all of the words in a sentence or phrase begin with the same letter. Just like a palindrome, it’s a form of constrained writing that can be taken to extraordinary extremes—as in the 1974 novel Alphabetical Africa, by the Austrian-born American novelist Walter Abish.

Chapter 1 of the book contains only words beginning with A. In chapter 2, words beginning with B are introduced alongside the A-words, followed by C-words in chapter 3, and so on, until chapter 26 is entirely unrestrained. The remaining 26 chapters of the book then proceed to restrict the writing, first by removing the Z-words in chapter 27, then the Y-words in chapter 28, and so on until chapter 52, which is again limited only to words beginning with A.

7. PANGRAM

A pangram is a sentence that contains every letter of the alphabet. The most famous example is “the quick brown fox jumps over the lazy dog” (which is believed to have originally been introduced in the 1880s as a handwriting exercise, before being picked up by typists and stenographers), while less familiar pangrams include “the five boxing wizards jump quickly” and “jackdaws love my big sphinx of quartz.”

“The quick brown fox” runs to a total of 35 letters, although it can be reduced to 33 by replacing the first “the” with “a.” But the aim of pangram writing is obviously to produce as short a sentence as possible, with the ultimate goal being a perfectly grammatical sentence containing just 26 letters. Understandably so-called “perfect” pangrams like these often end up incorporating abbreviations, obscure words, and alternative spellings, but a handful of examples have nevertheless been created, including “Mr. Jock, TV quiz Ph.D., bags few lynx” and “cwm fjord-bank glyphs vext quiz” (a cwm being a Welsh valley, and vext being an old spelling of vexed).

8. PILISH

Pilish is an extraordinary form of constrained writing that straddles the boundary between language and mathematics: Pilish literature is written in such a way that the number of letters in each successive word is equal to the successive decimal places of pi, 3.14159265359…

The first few numbers of pi can be memorized using the mnemonic “How I wish I could calculate pi,” while extra decimal places can be added by memorizing ever longer sentences (“How I want a drink, alcoholic of course, after the heavy lectures involving quantum mechanics” takes pi to its 14th decimal place). But as a form of constrained writing, Pilish was taken to an extreme by the American mathematician Mike Keith in his 1996 short story Cadaeic Cadenza, which comprises 3835 words all following the decimal sequence of pi (0s are words 10 letters long). As if that weren’t mindboggling enough, in 2010 Keith published the novella Not A Wake—which pushed that total to 10,000.

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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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Here's How to Change Your Name on Facebook
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Whether you want to change your legal name, adopt a new nickname, or simply reinvent your online persona, it's helpful to know the process of resetting your name on Facebook. The social media site isn't a fan of fake accounts, and as a result changing your name is a little more complicated than updating your profile picture or relationship status. Luckily, Daily Dot laid out the steps.

Start by going to the blue bar at the top of the page in desktop view and clicking the down arrow to the far right. From here, go to Settings. This should take you to the General Account Settings page. Find your name as it appears on your profile and click the Edit link to the right of it. Now, you can input your preferred first and last name, and if you’d like, your middle name.

The steps are similar in Facebook mobile. To find Settings, tap the More option in the bottom right corner. Go to Account Settings, then General, then hit your name to change it.

Whatever you type should adhere to Facebook's guidelines, which prohibit symbols, numbers, unusual capitalization, and honorifics like Mr., Ms., and Dr. Before landing on a name, make sure you’re ready to commit to it: Facebook won’t let you update it again for 60 days. If you aren’t happy with these restrictions, adding a secondary name or a name pronunciation might better suit your needs. You can do this by going to the Details About You heading under the About page of your profile.

[h/t Daily Dot]

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