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kottke.org posts about video

John Oliver on Policing in America

For the latest episode of Last Week Tonight, John Oliver dedicated his entire show to policing in America. It is worth watching as a summary of how we got here, what the obstacles to reform have been, and where we can go from here.

We’re actually not going to focus on Trump tonight nor are we β€” unlike some in cable news β€” going to dwell on the incidents of looting that occurred, except to say if you said the name “Macy’s” more than you’ve said the name “Breonna Taylor” this week you can very much fuck off.

Likewise if you asking why spontaneous decentralized protests can’t control every one of its participants more than you are asking the same about a taxpayer-funded heavily regimented paid workforce, you can also β€” in the words of this generation’s Robert Frost β€” suck my dick and choke on it.


A Powerful Lesson in Discrimination

Calling it one of their most requested videos, PBS’s Frontline has uploaded to YouTube their 1985 program on schoolteacher Jane Elliott’s powerful lesson in discrimination. The video shows how, in the wake of Martin Luther King Jr.’s assassination, Elliott divided her third-grade class into those with blue eyes and those with non-blue eyes and then instructed the non-blue-eyed group to treat the blue-eyed group as inferior. The resulting behavior is fascinating, upsetting, and illuminating.

Elliott went on to become a noted antiracism activist and has done blue eyes/brown eyes workshops with groups of adults and teens. And she goes hard at them β€” see this video and this video for instance.

I’m trying to get the people who participate in this exercise the opportunity to find out how it feels like to be something other than white in this society. ‘Alright people, I’m Jane Elliott and I’m your resident bitch for the day and make no mistake about that, that is exactly what this is about.’ I do this in a mean, nasty way because racism, sexism, ageism, homophobia, ethnocentrism are mean and nasty.

I would also highly recommend watching this brief clip of a talk by Elliott. In less than a minute, she deftly skewers the idea that racial discrimination doesn’t exist in America and calls out White Americans’ complicity in allowing it to persist.

I want every white person in this room who would be happy to be treated as this society in general treats our black citizens β€” if you as a white person would be happy to receive the same treatment that our black citizens do in this society, please stand.

[Nobody stands.]

You didn’t understand the directions. If you white folks want to be treated the way blacks are in this society, stand. Nobody’s standing here. That says very plainly that you know what’s happening, you know you don’t want it for you. I want to know why you’re so willing to accept it or to allow it to happen for others.

Freedom for some is not freedom.

Update: Alisha Haridasani Gupta recently interviewed Elliott for the NY Times. In it, she reveals that she doesn’t do her workshops anymore because people are increasingly close-minded.

I’ve been doing the exercise with adults for about 35 years. But in the last few years, I’ve only been doing speeches about it because we now live in a situation where people turn off immediately if they think they’re going to learn something counter to their beliefs, and I don’t want to be threatened with death anymore. I’m tired of receiving death threats.


Run the Jewels’ Killer Mike Delivers an Emotional Plea

If you haven’t had a chance to watch this, it’s really worth your time. Rapper and activist Michael Render, aka Killer Mike of Run the Jewels, spoke at a press conference in Atlanta about the protests in the wake of George Floyd’s murder, the history of policing in the city, and his outrage, delivering a plea for the city’s residents to not “burn your own house down for anger with an enemy”.

I’m. Mad. As Hell. I woke up wanting to see the world burn down yesterday, because I’m tired of seeing black men die. He casually put his knee on a human being’s neck for nine minutes as he died, like a zebra in the clutch of a lion’s jaw. And we watch like murder porn, over and over again.

So that’s why children are burning it to the ground. They don’t know what else to do. And it is the responsibility of us to make this better β€” right now. We don’t want to see one officer charged, we want to see four officers prosecuted and sentenced. We don’t want to see Targets burning, we want to see the system that sets up for systemic racism burnt to the ground.

Update: Although Killer Mike’s remarks have been widely praised (including by prominent members of the Black community like Lebron James), others in the Black community have condemned them. See Devyn Springer’s article in the Independent:

This weekend, as I watched T.I. share a stage with fellow rapper and landlord, Killer Mike, and Atlanta Mayor Keisha Lance Bottoms, in an attempt to disparage the righteous Black rage in response to the police killing of George Floyd, I instantly knew we’ve entered a new era of Black sellouts that we must reckon with.

It’s interesting that the underlying message of Barack Obama’s recent post How to Make this Moment the Turning Point for Real Change is not substantially different than Killer Mike’s comments. That post was also widely shared and praised (though, conspicuously, not by many prominent Black activists), especially by White people. One of the reasons I shared the video of Killer Mike is that there is disagreement β€” real, non-cynical disagreement β€” within the Black community about how to best address and protest racism & oppression in the United States, and you can plainly hear that his feelings and motivations are complicated.


Tonight’s Classic Radiohead Concert Is From 1994

Since early April, Radiohead has been putting video of one classic concert a week up on YouTube (playlist here). Tonight’s show, which starts streaming at 5pm ET, is from a really interesting point in the band’s evolution. In May 1994, Radiohead had released only one album (Pablo Honey) and no one knew whether they were going to be anything more than a one-hit wonder. At the time, the group was in the midst of recording The Bends and the setlist contains several songs from that album, including Fake Plastic Trees, The Bends, My Iron Lungs, and Just.

The release of The Bends and the reception to it established Radiohead as a group to be taken seriously and set the stage for OK Computer launching them into the critical stratosphere. As Jonny Greenwood later recounted: “That’s when it started to feel like we made the right choice about being a band”. Really excited to watch this one.


NASA & SpaceX Scheduled to Launch Astronauts Into Orbit From US Soil for First Time in 9 Years

NASA and SpaceX are scheduled to launch two astronauts into orbit this afternoon from the United States for the first time in nine years. The launch is scheduled to take place at 4:33 p.m. EDT. We’ll be watching for sure!

SpaceX is targeting Wednesday, May 27 for Falcon 9’s launch of Crew Dragon’s second demonstration (Demo-2) mission from Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center in Florida. This test flight with NASA astronauts Bob Behnken and Doug Hurley on board the Dragon spacecraft will return human spaceflight to the United States.

The mission is also the first time a private company will carry humans into orbit. You can watch the launch in the stream above with commentary (the coverage has already started β€” the astronauts just suited up and are on their way to launchpad 39A and now Kelly Clarkson is singing the National Anthem from her house) or with just the audio feed from Mission Control. And you can read more about the mission here.

Update: The launch got scrubbed for today β€” poor weather conditions. The next launch window is Saturday, May 30 at 3:22pm ET.


Full-Day Rotation of the Earth Around a Stationary Sky

Last year I posted a pair of videos showing a sky-stabilized rotation of the Earth around the starry sky. Because the Earth is our vantage point, we’re not used to seeing this view and it’s pretty trippy.

Now Bartosz WojczyΕ„ski has created a video showing full-day rotation of the Earth with footage shot in Namibia. The rotation is sped up to take only 24 seconds and is repeated 60 times to simulate about 2 months of rotation. I find this very relaxing to watch, like I’m riding in a very slow clothes dryer.

See also The Entire Plane of the Milky Way Captured in a Single Photo.


Errol Morris’s Next Documentary Is About Psychedelic Guru Timothy Leary

The next documentary film from Errol Morris is about LSD advocate Timothy Leary and will debut on Showtime later in the year. The film is still untitled but is based on a memoir by Joanna Harcourt-Smith called Tripping the Bardo with Timothy Leary: My Psychedelic Love Story.

A FILM BY ERROL MORRIS (w/t) asks the question why Leary, the High Priest of LSD, became a narc in 1974 and seemingly abandoned the millions he urged to turn on, tune in and drop out. Was his “perfect love” Joanna Harcourt-Smith a government pawn, as suggested by Allen Ginsberg? Or was she simply a rich, beautiful, young woman out for the adventure of a lifetime? Morris and Harcourt-Smith will reexamine this chaotic period of her life and explore the mystery of the Leary saga: his period of exile, reimprisonment and subsequent cooperation with the authorities. Devotion or selfishness? Perfect love or outright betrayal? Destiny or manipulation?

This is Morris’s second foray into the topic of LSD β€” his 2017 Netflix series Wormwood explored the use of the drug by the CIA.


“New” Philip Glass Music, Rediscovered After 50 Years

Philip Glass: Music In Eight Parts

In 1970, right in the middle of his minimalist period, Philip Glass composed a work called Music in Eight Parts. It was performed a few times and then lost to the sands of time.

It’s theorized that after Glass’s 1975 opera Einstein on the Beach landed the composer in a fair amount of debt, Glass was forced to sell a number of scores. In Glass’s archive, only fragmentary sketches of MUSIC IN EIGHT PARTS remained as evidence of the piece’s existence. Glass “never intended this early music to last” and yet these pieces have ended up being some of his most appreciated. MUSIC IN EIGHT PARTS is immediately recognizable as being of Glass’s minimalist musical language in full stride and it is played with absolute mastery by the specialists of this repertoire.

The manuscript was rediscovered in 2017 and plans were made to perform the work in a series of European concerts. The pandemic intervened, so several members of the Philip Glass Ensemble each recorded their parts at home and they’ve released a recording online (Spotify, Apple Music).

You can see some of the individual recordings in the middle part of this video:

The cover art is by Sol LeWitt, who used to send Glass random $1000 checks. See also a writeup of the music in the NY Times, listen to a snippet of an archival performance of the piece from the 70s, and the manuscript itself, which sold at auction in 2017 for $43,750.

Philip Glass: Music In Eight Parts score


Knight Rider for 8 Cellos

This is a video of the Knight Rider theme song arranged for 8 cellos by Samara Ginsberg. You’re either the type of person who can’t wait to click on a link that says “Knight Rider for 8 cellos” or you are not. When I was in college, a friend who DJ’d campus parties used to throw the Knight Rider theme on and people always went nuts for it. Because it BANGS.


Bill Gates’ Pandemic Summer Reading List

As he does every year, Bill Gates has shared his reading list for this summer. This time around, he’s included more than his usual five picks and many of the recommendations have a connection to the ongoing pandemic.

Of The Choice by Edith Eva Eger, he says:

This book is partly a memoir and partly a guide to processing trauma. Eger was only sixteen years old when she and her family got sent to Auschwitz. After surviving unbelievable horrors, she moved to the United States and became a therapist. Her unique background gives her amazing insight, and I think many people will find comfort right now from her suggestions on how to handle difficult situations.

He also recommends The Great Influenza by John Barry, Good Economics for Hard Times by Abhijit Banerjee and Esther Duflo, and The Headspace Guide to Meditation and Mindfulness by Andy Puddicombe.

For years, I was a skeptic about meditation. Now I do it as often as I can β€” three times a week, if time allows. Andy’s book and the app he created, Headspace, are what made me a convert. Andy, a former Buddhist monk, offers lots of helpful metaphors to explain potentially tricky concepts in meditation. At a time when we all could use a few minutes to de-stress and re-focus each day, this is a great place to start.

Gates also recommended some TV shows and movies β€” Netflix’s Pandemic but also Ozark. He read Cloud Atlas recently β€” I wonder if he’s seen the movie by the Wachowskis (which is underrated IMO)?


Carly Rae Jepsen Uses My Silkscreen Font in a Promo Video

This morning, Carly Rae Jepsen released a new album called Dedicated Side B (stream here). Amidst rumors of fresh music, the pop star had been teasing fans with its release all week, including this video of a simulated chat posted to Twitter and Instagram yesterday.

Long-time readers will recognize that the chat text is displayed with typeface called Silkscreen, which I designed back in 1999, an era of small monitors and even smaller fonts.

Carly Rae Jepsen, Silkscreen Font

Back in the day, Britney Spears used Silkscreen on her website, and now it’s come (sorta) full circle with Jepsen. Silkscreen pops up here and there every few months, and I’m glad to see people are still getting some use out of it. It was retro when I made it and now its retro-ness is retro. Culture is fun! (thx to @desdakon for spotting this)


Dad, How Do I…?

When he was a kid, Rob Kenney had a rough family life and grew up without stable parents around to teach him how to do common household chores. He and his wife successfully raised two children and Kenney decided to use his parenting experience to help those who may be lacking parental guidance. He’s started a YouTube channel called “Dad, how do I?” that offers “practical ‘dadvice’ for every day tasks” like how to fix a running toilet, how to check the oil in your car, and how to shave your face.

My god, the dad joke he tells at the beginning of the running toilet video is just *chef’s kiss* perfect.


Nature By Numbers

This lovely short film by CristΓ³bal Vila shows how the simple Fibonacci sequence manifests itself in natural forms like sunflowers, nautilus shells, and dragonfly wings.

See also Arthur Benjamin’s TED Talk on the Fibonacci numbers and the golden ratio and the Fibonacci Shelf. (via @stevenstrogatz)


Beastie Boys Videos Remastered in HD

In celebration of the documentary Beastie Boys Story coming out, the Beastie Boys and their record label have remastered dozens of the group’s music videos in HD and uploaded them to YouTube. The videos include heavy-hitters like Sabotage and (You Gotta) Fight for Your Right (to Party!) but also some more obscure stuff as well. Check out the entire remastered playlist here.


Solving “The Miracle Sudoku”

Every once in a while during my internet travels, I run across something like this video: something impossibly mundane and niche (a ~26-minute video of someone solving a sudoku puzzle) that turns out to be ludicrously entertaining. I cannot improve upon Ben Orlin’s description:

You’re about to spend the next 25 minutes watching a guy solve a Sudoku. Not only that, but it’s going to be the highlight of your day.

The solver himself calls it “a work of sublime genius” and “one of the most extraordinary puzzles we’ve ever seen”. It’s fascinating listening to him slowly uncover different aspects of the puzzle β€” watching him methodically figure out the 3s was genuinely thrilling. And the symmetry thing at the end…

If you fancy yourself a sudoku master, you can try solving the puzzle yourself here (keeping in mind the special chess-related rules laid out in the video). (via @robinsloan)


A Very Short Guide to Union Glacier Camp in Antarctica

In this charming little film (that feels very Wes Andersonian), we get to visit the Union Glacier Camp in West Antarctica, see what life is like there, and meet the people who run it. The camp is situated next to a blue-ice runway (which makes the area accessible to large aircraft) and serves as the jumping-off point for many kinds of activities, projects, and expeditions.

Union Glacier Camp is the only facility of its kind in Antarctica. Our full-service private camp operates during the Antarctic summer (November through January) and is dismantled at the end of each season. Our camp not only provides accommodations to guests on guided experiences but also serves as a logistics hub, supporting private expeditions and National Antarctic Programs.

I love the grid of tents for guests.

We can house up to 70 guests in our dual occupancy Clam Tents. These double-walled sleeping tents are designed to withstand Antarctic conditions with a high-tech nylon covering and durable aluminum frame that opens up like a clam shell. They are also incredibly comfortable to live in with large doors and a tall interior that allows you to stand upright and move around easily (16 ft x 8 ft or 5 m x 2.4 m). Tents are naturally heated by the 24-hour sunlight up to 60^0-70^0F (15^0-21^0C) but also have a wooden floor underneath to provide insulation from the snow and solid footing. Each guest is provided with a cot, mattress, pillow, linens, towels, and wash basin.

Tourist trips to Union Glacier start at $26,000 for six days.


Da 5 Bloods, a New Spike Lee Joint

Spike Lee’s newest film, Da 5 Bloods, is coming to Netflix on June 12 and the trailer, driven by the Chambers Brothers’ psychedelic rock anthem Time Has Come Today, is really compelling.

From Academy Award(R) Winner Spike Lee comes a New Joint: the story of four African-American Vets β€” Paul (Delroy Lindo), Otis (Clarke Peters), Eddie (Norm Lewis), and Melvin (Isiah Whitlock, Jr.) β€” who return to Vietnam. Searching for the remains of their fallen Squad Leader (Chadwick Boseman) and the promise of buried treasure, our heroes, joined by Paul’s concerned son (Jonathan Majors), battle forces of Man and Nature β€” while confronted by the lasting ravages of The Immorality of The Vietnam War.

Having recently been to Vietnam and done a bit of reading about US veterans retiring there, I’m interested to see how Lee handles that dynamic and portrays the country.


Meander Maps for Imaginary Rivers

Robert Hodgin Meander Maps

Robert Hodgin Meander Maps

Robert Hodgin Meander Maps

I have written previously about cartographer Harold Fisk’s wonderful meander maps of the Mississippi River produced for the Army Corps of Engineers. Borrowing the aesthetic of these maps, interactive artist & engineer Robert Hodgin wrote some software called Meander to generate meander maps for fictional rivers.

From an input curve, the terrain, land plots, side roads, highways, marsh land and mountain peaks are generated and prominent features are named. The map is then weathered and rendered in the style of old US Army Corp of Engineers maps from the 1930s and 40s.

You can check some of the generated maps out on Twitter or on Instagram, including some prototypes and animations (this one is my favorite). Hodgin has promised a full write-up of the project; I’ll link to it when he publishes it.

Coincidentally, while I was writing this post I got an email from a reader about an audiovisual installation called Meandering River that displayed “real-time visuals generated by an algorithm and music composed by an A.I.”

Synchronicity!

Update: Hodgin wrote about the Meander project on his website and included several more gorgeous examples of his output.


Shakespeare in the Park’s Much Ado About Nothing Streaming Online for Free

One of many cancellations due to the pandemic is the Public Theater’s annual Shakespeare in the Park performances. But for the next three weeks, PBS is streaming their Great Performances recording of last year’s Shakespeare in the Park production of Much Ado About Nothing for free on their site (embedded above, reviews here).

This bold interpretation of Shakespeare’s comedic masterpiece features Danielle Brooks (“Orange is the New Black,” Broadway’s “The Color Purple”) and Grantham Coleman (“Buzzer,” “The Americans”) as the sparring lovers Beatrice and Benedick. Tony Award winner Kenny Leon (“American Son,” “A Raisin in the Sun”) directs with choreography by Tony Award nominee Camille A. Brown (“Choir Boy”).

To whet your appetite, you can check out some of the highlights of the performance in this short video.

P.S. You can also watch this 2009 production of Macbeth starring Patrick Stewart in the lead role. (via laura olin)


Questlove is DJing Up a Storm During Quarantine

Most nights since mid-March, The Roots’ Questlove has been doing lengthy DJ sets for fans, kind of like a series of distributed house parties. The shows range in length from 2.5 hours to more than 6 hours β€” most are in the 3-4 hour range. The past shows have been collected in this playlist. The most recent show, from Tuesday, celebrated the 70th birthday of Stevie Wonder:

He did a 3-hour set made up of audience requests:

And of course there were sets focused on particular artists and bands β€” the Beastie Boys, James Brown, and Prince:

From a Fast Company piece about how The Roots have adapted their approach to entertainment during the pandemic:

“My whole narrative is that I’m this musical griot or this musical expert with 170,000 pieces of vinyl that you can Google, but now that I’m thrown in the pool, I realized, yeah, I have 170,000 records, but at the end of the day, I know maybe 400.”

Questlove has digital access to about 30% of that massive collection and decided to get to know more of his songs in front of a live audience. It’s different when that audience is the internet, but Questlove gets it now. He can reach more people. He’s having fun with his selections, and his diverse and meticulous approach to music shows up in his nightly playlists.

“I challenged myself to do a dancehall set that didn’t require me to play ‘Murder She Wrote.’ I’m gonna try and do the salsa set that doesn’t require me to play like ‘Suavemente,’ all the Captain Obvious stuff,” he explains. “So, I mean just as a music lover and a musician, it’s challenging me to find exciting ways to present music.”


Chair Times: A History of Seating

Vitra Chair Times

For a limited time, you can view the feature length documentary Chair Times: A History of Seating online for free courtesy of Vitra, a Swiss design company. Here’s a trailer:

In the focus are 125 objects from the Collection of the Vitra Design Museum. Arranged according to their year of production, they illustrate development from 1807 to the very latest designs straight off the 3D printer, forming a timeline to modern seating design.

Accompanying the film is a book of the same name. (via moss & fog)


Prince and the Revolution Live Show from 1985 Will Be Shown on YouTube for a Limited Time

As part of a benefit for Covid-19 relief, The Prince Estate will be broadcasting a classic concert by Prince & the Revolution from 1985’s Purple Rain tour on YouTube. The stream (embedded above) will begin on Thursday, May 14 at 8pm ET and will only be available through Sunday, May 17.

The concert was recorded in Syracuse, NY on March 30, 1985 and is considered a classic, a show that found Prince at the crest of his pop culture stardom. Laurie Gwen Shapiro recounted going to the show in college β€” a friend of hers camped out in the ticket line to get front row seats.

In the past decade it has been very difficult to find this legendary concert film in the United States that was later released in the 1991 as “Prince and the Revolution Live!” on VHS only. If you watch the film β€” and I swear this is true β€” I am the person the cameras flashes on first in a venue that holds 40,000 plus, and I am making a rather ridiculous orgiastic face for the ages. To understand how I was the beneficiary of such dumb luck, and the greatness of Prince’s performance, let’s go back to 1985 when the internet was yet to come.

The setlist includes many of his most popular songs β€” Let’s Go Crazy, When Doves Cry, 1999, Little Red Corvette β€” and the show ended with a 20-minute rendition of Purple Rain (10 minutes of which is a Prince guitar solo).

By the time they finished a towering 20 minute rendition of “Purple Rain,” featuring what is probably the best single guitar solo I’ve ever witnessed in the flesh, most of the crowd would have let Prince do anything with them that he wished. What Prince did to us, and for us, was the best gift of all.

The show is also available on DVD as part of this remastered edition of Purple Rain. The remastered audio from the concert will also be released to streaming services on Friday.

Update: The live album is now available on streaming music platforms: Spotify, Apple Music, Amazon, Pandora.

The Purple Rain closer clocks in at 19 minutes 26 seconds.

Update: Prince superfan Anil Dash wrote up some notes about this show.

Finally, we come to Prince’s scorching final guitar coda to “Let’s Go Crazy” where he brings out his entire palette of Guitar Face expressions, from playful smirk to full Mustachioed Telecaster Orgasm.


Flat Earthers Listening to Daft Punk

This made me laugh really hard today:

Gotta be frustrating. β™ͺ Around the world, around the world, around the world, around the world, around the world, around the world… β™ͺ (thx, naomi)


The Simpsons Parody of Succession

In the “couch gag” preceding The Simpsons episode that aired on May 3, 2020, they did a pitch-perfect parody of the opening title sequence of Succession, complete with the iconic theme song. (via @omcfarlane)


11-Year-Old Lands First Ever 1080 on a Skateboard Vert Ramp

11-year-old skateboarder Gui Khury has become the first person ever to land a 1080 on a vert ramp. That’s 3 full spins.

More than two decades after Tony Hawk completed the first 900-degree turn, Khury shattered a long-standing record by flying off the top of a ramp and completing three full spins in the air before landing cleanly and skating off. The manoeuvre has long been one of the holy grails of skateboarding.

“The isolation for the coronavirus helped because he had a life that was about school and he didn’t have a lot of time to train, when he got home from school he was tired,” the skater’s father Ricardo Khury Filho told Reuters.

“So now he is at home more, he eats better and he has more time to train and can focus more on the training so that has helped. He has an opportunity to train here, if he didn’t have [the skate facilities] … he would be stuck at home like everyone else and unable to do sport. So the isolation helped him focus.”

Wow.

Update: Now 12, Khury landed a 1080 at the X Games yesterday and collected a gold medal for best trick. Better yet, he did it in front of Tony Hawk.


Trains Speed Through the Swiss Countryside to Techno Beats

Perhaps my fondness for Michel Gondry’s video for The Chemical Brothers’ Star Guitar has primed me to enjoy these POV Swiss train videos paired with techno music. The driving beat of the music, the forward motion of the train, and the soaring scenery complement each other perfectly. (via why is this interesting?)


Andy Serkis Is Reading The Hobbit Aloud for 12 Straight Hours

Andy Serkis, who played Gollum in the Lord of the Rings movies, is reading The Hobbit (the entire book!) aloud for 12 straight hours today to raise money for Covid-19 relief.

So many of us are struggling in isolation during the lockdown. While times are tough, I want to take you on one of the greatest fantasy adventures ever written, a 12 hour armchair marathon across Middle Earth whilst raising money for two amazing charities which are doing extraordinary work right now to help those most in need in the UK: Best Beginnings and NHS Charities Together.

He’s been going since 5am EST, so you can join in progress or rewind your way back to the beginning. The campaign has already reached its initial goal of Β£100,000 β€” you can contribute here. A “special surprise” was promised if the goal was met…I wonder if Ian McKellen or Martin Freeman will be stopping by for a chapter or two?


Music for Empty Malls

Listening to recorded music as if it’s being played in empty malls1 is a thing that I find incredibly soothing and nostalgic and also a little creepy?

An entire playlist is available here. Some of these sound more convincing than others, but almost any of them with 80s music instantly transports me back to wandering past Kay Bee Toys, Chess King, and Spencer’s while wearing my Hypercolor t-shirt, KangaROOS, and Guess jeans.1 (via @Remember_Sarah)

  1. A la running Christian choral music through digital filters to make it sound like it was sung in the Hagia Sophia mosque in Istanbul.↩

  2. Just kidding on the Guess jeans…my family couldn’t afford those! They were like $60! Even Levi’s were a luxury good. I wore mostly Lee or Bugle Boy jeans from Farm & Fleet. The Hypercolor shirt was a Christmas present.↩


On the Accuracy of Covid-19 Testing

As someone who suspects I may have had a mild case of Covid-19 a couple of months ago, I’ve been thinking about getting tested for antibodies. But as this video from ProPublica shows, even really accurate tests may not actually tell you all that much.

And the thing is, the “do I have Covid-19 right now” tests are plagued by the same issue.

For patients getting tested, the main concern is how to interpret the outcome: If I test negative with an RT-PCR genetic test, what are the chances I actually have the virus? Or if I test positive with an antibody test, does it actually mean I have the antibodies?

It turns out that the answers to these questions don’t just hinge on the accuracy of the test. “Mathematically, the way that works out, that actually depends on how many people in your area have Covid,” Eleanor Murray, an assistant professor of epidemiology at the Boston University School of Public Health, said.

The rarer the disease in the population, the less you’ll learn by testing.

Let’s say we have a hypothetical Covid-19 test for antibodies that is both 99 percent sensitive β€” meaning almost all people with antibodies will test positive β€” and 99 percent specific, meaning almost all people who were never infected will yield a negative result.

If you test a group of 100 uninfected people, odds are one of them will still test positive even though they don’t have the virus. Conversely, if you test 100 people who were infected, it’s likely one of them will still test negative.

Now let’s presume the virus has a prevalence rate of 1 percent, so one person in 100 carries antibodies to it. If you test 100 random people and get a positive result, what is the chance that this person was truly infected?

Deborah Birx, the White House Covid-19 response coordinator, explained the answer at a press conference on April 20: “So if you have 1 percent of your population infected and you have a test that’s only 99 percent specific, that means that when you find a positive, 50 percent of the time will be a real positive and 50 percent of the time it won’t be.”

So even if I test positive for antibodies and I assume that confers immunity, given that the number of confirmed infections in Vermont is so low (~900 statewide), it doesn’t seem like I would be justified in changing my behavior at all. I would still have to act as though I’ve never had the virus, both for my own health and the health of those around me. Maybe if I had two or three corroborating tests could I be more certain…


Copy & Paste Your Surroundings into Photoshop with a Magical AR App

Designer Cyril Diagne has developed a prototype of an augmented reality app that can copy objects from the real world and paste them into a Photoshop document. Here’s how it works: you point your phone at a book sitting on your desk, the software produces an image of just the book on your phone screen, you point the phone at your computer, and the book image gets pasted into the Photoshop document. It looks like straight-up magic (or at least like a scene from Minority Report or something):

Diagne wrote a thread on Twitter with more technical details. The code is available on Github if you’d like to give it a try. (via colossal)