Would you like to to hear a long-form conversation about the history of the vinyl LP? Or about the history of human rights? About the plight of book reviewing in America? The wild excesses of the art market? The nature of boredom? The true meaning of North Korean propaganda? What it’s like to live in Bangkok? What it’s like to go on a road trip with David Foster Wallace? The answer to all of the above: of course you do. And now you can hear these conversations and many more besides in the complete archive of the public radio show The Marketplace of Ideas, which has just now come available to stream on Youtube.
How, you may wonder, did I get such early word of this interview trove’s availability? Because, in the years before I began writing here on Open Culture, I created, produced, and hosted the show myself. The project grew, in a sense, out of my dissatisfaction with the radio interviews I’d been hearing, the vast bulk of which struck me as too brief, fragmentary, and programmatic to be of any real value.
What’s more, it was often painfully obvious how little interest in the subject under discussion the interviewers had themselves. With The Marketplace of Ideas, I set out to do the opposite of practically everything I’d heard done on the radio before.
Like all worthwhile goals, mine was paradoxical: to conduct interviews of the deepest possible depth as well as the widest possible breadth. On one week the topic might be evolutionary economics, on another the philosophical quarrel between David Hume and Jean-Jacques Rousseau, on another the history of American film comedy, on another the legacy of Robert Pirsig’s Zen and the Art of Motorcycle Maintenance, and on another still the ascent of Californian wine over French. (This principle also applied to the political spectrum: I delighted in bringing on, say, the granddaughter of Barry Goldwater as well as a former member of the Weather Underground.) An interesting person is, as they say, an interested person, and throughout the show’s run I trusted my listeners to be interesting people.
The same went for my interviewees, whatever their cultural domain: novelists like Alexander Theroux, Tom McCarthy, Joshua Cohen, and Geoff Dyer; scientists like David P. Barash, Alan Sokal (he of the “Sokal Hoax”), and Sean Carroll; critics like James Wood, Greil Marcus, Jonathan Rosenbaum, Dave Kehr, and J. Hoberman; economists like Tyler Cowen (twice), Robin Hanson, Steven E. Landsburg, and Tim Harford (twice); biographers of Brian Eno, Nick Drake, and Michel de Montaigne; translators of Jorge Luis Borges, César Aira, and Robert Walser; broadcasters like Peter Sagal, Robert Pogue Harrison (of Entitled Opinions), Jesse Thorn, and Michael Silverblatt; philosophers like Kwame Anthony Appiah and Simon Blackburn; technologists like Steve Wozniak and Kevin Kelly; filmmakers like Ramin Bahrani (director of the existential Werner Herzog-narrated plastic-bag short previously featured here on Open Culture), So Yong Kim, Andrew Bujalski, Aaron Katz; and musicians like Nick Currie, a.k.a Momus (twice), Jack Hues of Wang Chung, and Chaz Bundick of Toro y Moi.
The Marketplace of Ideas aired between 2007 and 2011, and the passage of a decade since the show’s end prompted me to take a look — or rather a listen — back at it. So did the fact that a fair few of its guests have since shuffled off this mortal coil: Arts & Letters Daily founder Denis Dutton, film critic Peter Brunette, literary scholar Angus Fletcher, documentarian Pepita Ferrari, writer and editor Daniel Menaker, cultural polymath Clive James. That interview with James was a dream fulfilled, due not just to my personal enthusiasm for his writing but the ideal of intellectual omnivorousness he represented — an ideal toward which I strove on the show, and continue to strive in my pursuits today. Even more than our conversation itself, I fondly remember an exchange after we finished recording but before we hung up the phone. He thanked me for actually reading his book, and I told him I’d thought all interviewers did the same. His response: “That’s the first naïve thing you’ve said all hour.”
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Based in Seoul, Colin Marshall writes and broadcasts on cities, language, and culture. His projects include the Substack newsletter Books on Cities, the book The Stateless City: a Walk through 21st-Century Los Angeles and the video series The City in Cinema. Follow him on Twitter at @colinmarshall or on Facebook.
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There’s nothing like an ancient mystery, especially one as seemingly insoluble as the origins of “the world’s first computer,” the Antikythera mechanism. Discovered off the coast of the Greek island of Antikythera in 1901, the corroded collection of gears and dials seemed fake to scientists at first because of its ingeniousness. It has since been dated to 100 to 150 BC and has inspired decades of research and speculative reconstruction. Yet, no one knows who made it, and more importantly, no one knows how it was made.
“The distance between this device’s complexity and others made at the same time is infinite,” says Adam Wojcik, a materials scientist at the University College of London. “Frankly, there is nothing like it that has ever been found. It’s out of this world.”
The expression should not make us think of ancient aliens — the Antikythera mechanism contains more than enough evidence of human limitation, showing a geocentric model of the cosmos with the only five planets its maker would have known.
The 2,000-plus year-old device continues to reveal its secrets, including hidden inscriptions found during CT scans of the object, as Smithsonian reported in 2015. The mechanism is “similar in size to a mantel clock, and bits of wood found on the fragments suggest it was housed in a wooden case. Like a clock, the case would’ve had a large circular face with rotating hands. There was a knob or handle on the side, for winding the mechanism forward or backward. And as the knob turned, trains of interlocking gearwheels drove at least seven hands at various speeds. Instead of hours and minutes, the hands displayed celestial time.”
If the Antikythera mechanism is a “celestial clock,” who better to design and build its reconstruction than a clockmaker? That is exactly what we see in the videos above, created for the clockmaking YouTube channel Clickspring. Using the best scientific model of the mechanism to date — published this year by Dr. Tony Freeth and colleagues of the Antikythera Mechanism Research Project — Clickspring shows how the device might have fit together and makes educated guesses about the right placement of its dozens of small parts.
You can see a preview of the Antikythera reconstruction project at the top, watch the full project above, and see individual episodes showcasing different phases of construction on YouTube. The model “conforms to all the physical evidence,” Freeth writes, “and matches the descriptions in the scientific inscriptions engraved on the mechanism itself.” What no one can figure out, however, is just how the ancient Greek artisans who made it shaped precision metal parts without lathes and other modern tools of the machine-makers trade. Researchers, and clockmakers, may have pieced together the Antikythera puzzle, but the mystery of how it came into existence at all remains unsolved.
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Josh Jones is a writer and musician based in Durham, NC. Follow him at @jdmagness
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If you were in high school or college when Wikipedia emerged, you’ll remember how strenuously we were cautioned against using such an “unreliable source” for our assignments. If you went on to a career in science, however, you now know how important a role Wikipedia plays in even professional research. It may thus surprise you to learn that students still get more or less the same warning about what, two decades later, has become the largest encyclopedia and fifth most-visited web site in the world. “Many of us use Wikipedia as a source of information when we want a quick explanation of something,” say MIT’s citation guidelines. “However, Wikipedia or other wikis, collaborative information sites contributed to by a variety of people, are not considered reliable sources for academic citation.”
That quotation appears, somewhat ironically, in a recent MIT research paper called “Science is Shaped by Wikipedia: Evidence From a Randomized Control Trial.” Its authors, Neil C. Thompson from MIT and Douglas Hanley from the University of Pittsburgh, use both “Big Data” and experimental approaches to support their claim that “incorporating ideas into a Wikipedia article leads to those ideas being used more in the scientific literature.”
Testing the existence of an underlying causal relationship, they “commissioned subject matter experts to create new Wikipedia articles on scientific topics not covered in Wikipedia.” Half of these articles were added to Wikipedia, and half retained as a control group. “Reviewing the relevant journal articles published later, they find that “the word-usage patterns from the treatment group show up more in the prose in the scientific literature than do those from the control group.”
In other words, Wikipedia does indeed appear to shape science — or as Wharton professor Ethan Mollick put it on Twitter, “The secret heart of academia is… Wikipedia.” Expanding on the idea, he added that “Wikipedia is used like a review article,” which surveys the current state of a particular scientific field. “Review articles are extremely influential on the direction of scientific research, and while Wikipedia articles are generally less influential, there are more of them, they are more up-to-date, and they are free.” That last point — and the implied contrast to traditional, scientific journals with their often shockingly high subscription fees — becomes a key point in Thompson and Hanley’s advocacy for public repositories of knowledge in general, with their power to galvanize research across the whole world. The power of open culture is considerable; the power of open science, perhaps even more so.
You can read Hanley and Thompson’s study on the power of Wikipedia free online: “Science is Shaped by Wikipedia: Evidence From a Randomized Control Trial.”
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Based in Seoul, Colin Marshall writes and broadcasts on cities, language, and culture. His projects include the Substack newsletter Books on Cities, the book The Stateless City: a Walk through 21st-Century Los Angeles and the video series The City in Cinema. Follow him on Twitter at @colinmarshall or on Facebook.
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Image by Rafesmar, via Wikimedia Commons
From Yale professor Howard Bloch comes Age of Cathedrals, an online course that offers “an introduction to some of the most astonishing architectural monuments the world has ever known—Gothic cathedrals,” including Notre Dame, Chartres, and Saint-Denis. The course description adds: “We shall study the art, literature, intellectual life, economics, and new social arrangements that arose in the shadow of the cathedrals and that were such an important part of the revival of cities in the twelfth and thirteenth centuries. The goal of the course is a better appreciation of the High Middle Ages, a world that is still recognizably our own.”
You can take Age of Cathedrals for free by selecting the audit option upon enrolling. If you want to take the course for a certificate, you will need to pay a fee.
Age of Cathedrals has been added to our list of Free History Courses, a subset of our collection, 1,700 Free Online Courses from Top Universities.
If you would like to support the mission of Open Culture, consider making a donation to our site. It’s hard to rely 100% on ads, and your contributions will help us continue providing the best free cultural and educational materials to learners everywhere. You can contribute through PayPal, Patreon, and Venmo (@openculture). Thanks!
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Read More...Taught by MIT professor Gary Gensler, Blockchain and Money is “for students wishing to explore blockchain technology’s potential use—by entrepreneurs and incumbents—to change the world of money and finance. The course begins with a review of Bitcoin and an understanding of the commercial, technical, and public policy fundamentals of blockchain technology, distributed ledgers, and smart contracts. The class then continues on to current and potential blockchain applications in the financial sector.”
You can watch all 23 lectures above, or on YouTube. A syllabus and other course materials can be found on MIT’s website. More related courses are listed below.
Blockchain and Money has been added to our list of Free Business Courses, a subset of our collection, 1,700 Free Online Courses from Top Universities.
If you would like to support the mission of Open Culture, consider making a donation to our site. It’s hard to rely 100% on ads, and your contributions will help us continue providing the best free cultural and educational materials to learners everywhere. You can contribute through PayPal, Patreon, and Venmo (@openculture). Thanks!
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From Alex Cowan, a professor at the University of Virginia’s Darden School of Business, comes a free online course called Agile Meets Design Thinking. The short course description reads as follows:
Despite everyone’s good intentions, hard work and solid ideas, too many teams end up creating products that no one wants, no one can use, and no one buys. But it doesn’t have to be this way. Agile and design thinking offer a different–and effective–approach to product development, one that results in valuable solutions to meaningful problems. In this course, you’ll learn how to determine what’s valuable to a user early in the process–to frontload value–by focusing your team on testable narratives about the user and creating a strong shared perspective.
Among other things, the course will help students:
You can take Agile Meets Design Thinking for free by selecting the audit option upon enrolling. If you want to take the course for a certificate, you will need to pay a fee.
Agile Meets Design Thinking has been added to our list of Free Business Courses, a subset of our collection, 1,700 Free Online Courses from Top Universities.
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The beginnings of the Internet were uncharted territory, especially before the days of graphic browsers. You had a number, you dialed up to a location. Certain locations were named after their host universities or government sites and that made sense in an old-school telephone exchange way. But the rest was just a vast ocean of data, of strange lands, and many, many barriers. How big, exactly, is the internet? And how do we measure it? What is the “space” of cyberspace?
There have been maps that overlay the internet’s main landlines onto the map of the earth—this Vox article shows the spidery web growing from the first four locations of ARPANET until the whole world is connected. But that’s not how we think of it. Surely Open Culture is always where you, dear reader, reside, and this writer’s undisclosed location has nothing to do with it. Maybe the internet is really the space that it takes up in our minds, in our lives, and in the amount of internet traffic.
Amateur graphic designer Martin Vargic visualized those spaces as countries on a vast globe inspired by National Geographic Magazine. (Although National Geographic borrowed its cartographic style from some of the first printed maps of the world.) Vargic first published his map in 2014 when he was a student in Slovakia. And now he has decided to update the map for 2021. (See the map in high resolution here.) Large continents represent the main websites of the Internet: Facebook, Google, Apple, Amazon. The seas represent the aforementioned ocean of data under different names: Ocean of Information, North Connection Ocean, etc. To compare his relatively spare original map to the one he just released is to notice how much more crowded this world has become, and how divided.

Vargic based the relative size of each website on its average traffic between January 2020 and January 2021, according to Alexa Rank, the Amazon-owned Alexa Internet’s measure of how popular a website is, calculated by unique users and page views.
However, the center of the map is now different. This now depicts the “core and backbone of the Internet as we know it,” Vargic said. This means a core of service providers surrounded by larger islands of web browsers (Chrome, Firefox, et al).
While the 2014 map considered website size as the main organizer and contained around 200 websites, this version contains 3,000. The north of the globe features country clusters: a grouping of academic, research, and free education sites (wikipedia, archive.org, etc.), governmental websites to the east and conspiracy QAnon lands to the west.
The Antarctica of the map? The Dark Web, where the Onion isn’t a parody news site and TOR isn’t the sci-fi/fantasy publisher.
You might find some of Vargic’s decisions odd, or you might just spend your time wondering how much of the internet is indeed an unknown land, with large “countries” you’ve never heard of, but with millions of “residents”. It might not be real, but Vargic’s map will put you in an exploratory mood while you light off for the territories. You can view it in a high resolution format here. Purchase it as a poster here.
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Ted Mills is a freelance writer on the arts who currently hosts the Notes from the Shed podcast and is the producer of KCRW’s Curious Coast. You can also follow him on Twitter at @tedmills, and/or watch his films here.
Read More...@greedypeasant🧘♀️ Medieval Yoga 🧘 #medievaltiktok #yoga #yogalover #peacewithin #fyp #foryou #foryoupage♬ original sound — Tyler Gunther
TikTok, the short-form video-sharing platform, is an arena where the young dominate — last summer, The New York Times reported that over a third of its 49 million daily users in the US were aged 14 or younger.
Yet somehow, a fully grown medieval peasant has become one of its most compelling presences, breezily sharing his yoga regimen, above, his obsession with tassels and ornate sleeves, and the Metropolitan Transit Authority’s plans to upcycle his era’s torture devices as New York City subway exit gates.
30-year-old Brooklyn-based artist Tyler Gunther views his creation, Greedy Peasant, as “the manifestation of all the strange medieval art we now enjoy in meme form”:
Often times medieval history focuses on royals, wars, popes and plagues. With this peasant guide, we get to experience the world through the lens of a queer artist who is just trying to make sure everyone is on time for their costume fittings for the Easter pageant.
Earlier, Gunther’s medieval fixation found an outlet in comics that he posted to Instagram.
Then last February, he found himself quarantining in an Australian hotel room for 2 weeks prior to performing in the Adelaide Festival as part of The Plastic Bag Store, artist Robin Frohardt’s alternately hilarious and sobering immersive supermarket installation:
My quarantine plans had been to work on a massive set of illustrations and teach myself the entire Adobe Creative Suite. Instead I just wandered from one corner of the hotel room to the next and stared at the office building directly outside my window. About 4 days in, Robin texted, “Now is your time to make a TikTok.” I had avoided it for so long. I always had an excuse and I was genuinely confused about how the app worked. But with no alternatives left I made a few videos “just to test out some of the filters” and I was instantly hooked.
Now, a green screen and a set of box lights are permanently installed in his Brooklyn studio so he can film whenever inspiration strikes, provided it’s not too steamy to don the tights, cowls, wigs and woolens that are an integral part of Greedy Peasant’s look.
@greedypeasant🕷🕷🕷 (to be continued) #medievaltiktok #fyp #foryoupage #foryou #spiderman♬ original sound — Tyler Gunther
One of Gunther’s most eye popping creations came about when Greedy Peasant answered an ad post in the town square seeking a Spider Man (i.e., a man with spiders) to combat a bug infestation:
As a former costume design student, I’m intrigued by how superhero uniforms fit within the very conservative world of Western men’s fashion. We’re supposed to believe these color blocked bodysuits are athletic and high tech. These manly men don’t wear them just because they look great in them, they wear them for our protection and the greater good. But what if one superhero did value style over substance? Would he still retain his authoritative qualities if his super suit was embroidered and beaded and dripping with tassels? This medievalist believes so.
About that tassel obsession…
To me tassels represent ornamentation for ornamentation’s sake at its peak. This decorative concept is so maligned in our current age. 21st century design trends are so sleek and smooth, which does make our lives practical and efficient. But soon we’ll all be dead. Medieval artisans seemed to understand this on some level. I think if iPhones were sold in the middle ages they would have 4 tassels on each corner. Why? Because it would look very nice. A tassel looks beautiful as a piece of static sculpture. It adds an air of authority and polish to whatever object it is attached to. If that were all they provided us it would be enough. But then suddenly you give your elbow a little flick and before you know it your sleeve tassels are in flight! They are performing a personal ballet with their little strings going wherever the choreography may take them. It’s a gift.
@greedypeasant(not) FACTS. ##medievaltiktok ##nyc ##newyorkcity ##nychistory ##fyp ##foryou ##foryoupage♬ original sound — Tyler Gunther
Gunther’s keen eye extends to his green screen backgrounds, many of which are drawn from the Metropolitan Museum of Art’s online image collection.
He also shoots on location when the situation warrants:
Especially in New York City, where it seems like every neighborhood has at least one building dressed up to look as if it survived the Black Plague. I love this blatantly false illusion of a heroic past. We American’s know it’s a façade. We know the building was built in 1910, not 1410, but somehow it still pleases us. Even when I went home to Arkansas to visit family, we were constantly scouting filming locations which looked convincingly medieval. Our greatest find were the back rooms and the choir loft of a beautiful gothic revival church in our town.
While Gunther is obviously his own star attraction, he alternates screen time with a group of “reliquary ladies,” whose main trio, Bridgette, Amanda and Susan are the queen bees of the side aisle. Even before he used a green screen filter to animate them with his eyes, lips, and a hint of mustache, he was drawn to their hairdos and individual personalities during repeat visits to the Met Cloisters.



“As reliquaries, they embody such a specific medieval sensibility,” he enthuses. “Each housed a small body part of a deceased saint, which people would make a pilgrimage to see. This combination of the sacred, macabre and beautiful includes all my favorite medieval elements.”
@greedypeasantWill the real St. Catherine’s lower jaw please stand up. ##medievaltiktok ##historytok ##fyp ##foryou ##foryoupage ##reliquary ##peasant ##arthistory♬ original sound — Tyler Gunther
Get to know Tyler Gunther’s Greedy Peasant here.
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Ayun Halliday is an author, illustrator, theater maker and Chief Primatologist of the East Village Inky zine. Follow her @AyunHalliday.
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Dr. Roger Louis Martínez-Dávila and Ana B. Sanchez-Prieto–two academics working out of the University of Colorado and Universidad Complutense Madrid (Spain)–have teamed up to present Deciphering Secrets: The Illuminated Manuscripts of Medieval Europe. The free course covers the following ground:
Perhaps no other relic of the European Middle Ages captures our imagination more than illuminated medieval manuscripts, or those documents decorated with images and colored pigments. Serving as windows unto a lost world of kings, ladies, faith, war, and culture, they communicate complex visual and textual narratives of Europe’s collective cultural heritage and patrimony. In this fashion, illuminated manuscripts are dynamic messages from our communal past that are still relevant today in fields like graphic design and typography.
In this seven-week course, students will explore the material creation, content, and historical context of illuminated medieval European manuscripts. Students will acquire an introductory knowledge of their distinguishing characteristics, their cataloguing and periodization (when they were created), the methods utilized to produce them, and their historical context and value.
You can take The Illuminated Manuscripts of Medieval Europe for free by selecting the audit option upon enrolling. If you want to take the course for a certificate, you will need to pay a fee.
The Illuminated Manuscripts of Medieval Europe has been added to our list of Free History Courses, a subset of our collection, 1,700 Free Online Courses from Top Universities.
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Read More...From Cyrus Patell, professor English at NYU, comes American Literature, From the Beginnings to the Civil War. The 26 lecture course is available on YouTube (all streamable above). Among other things, the course covers Herman Melville’s Moby Dick, Transcendentalism, American Gothic, Hawthorne and more.
The course description reads as follows:
This course is a survey of American literature and literary history, from the early colonial period to the eve of the Civil War. Our goal will be to acquire a grasp of the canon of American literature as it is typically conceived and the various logics behind its construction. Topics to be considered include: the rise of “literature” as a discipline unto itself; the meaning of American individualism; the conflict between liberty and equality in American social thought; the mythology of American exceptionalism; the relation between history and cultural mythology; the dialectic of freedom and slavery in American rhetoric; the American obsession with race; the ideology of domesticity and its link to the sentimental; the aesthetics of American romance; the role of biography in literary criticism and historiography; the nature of the “American Renaissance”; what it means to say “NO in thunder!” and why so many American writers seem to say it; deliberative democracy and cosmopolitanism.
American Literature, From the Beginnings to the Civil War has been added to our list of Free Online Literature Courses, a subset of our collection, 1,700 Free Online Courses from Top Universities.
If you would like to support the mission of Open Culture, consider making a donation to our site. It’s hard to rely 100% on ads, and your contributions will help us continue providing the best free cultural and educational materials to learners everywhere. You can contribute through PayPal, Patreon, and Venmo (@openculture). Thanks!
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