The Ultimate Full Moon Shot

The quick back­sto­ry: “Dean Pot­ter walks a high­line at Cathe­dral Peak as the sun sets and the moon ris­es. Shot from over 1 mile away with a Canon 800mm and 2X by Mikey Schae­fer. This shot was part of a big­ger project for Nation­al Geo­graph­ic called The Man Who Can Fly. ”

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Hear Ravel Play Ravel in 1922

Yes­ter­day we fea­tured a piano-roll record­ing of the French com­pos­er Claude Debussy play­ing his “La soirée dans Grenade” in 1913. Today we bring you a lyri­cal and melan­choly work record­ed in 1922 on a sim­i­lar device by Debussy’s younger friend and rival, Mau­rice Rav­el. It’s called “Oiseaux tristes,” or “Sad Birds.”

The impe­tus for com­pos­ing the piece came in 1904, when Rav­el heard a sec­ond-hand account of some­thing Debussy had said. Accord­ing to Alex­is Roland-Manuel, Rav­el’s friend and biog­ra­ph­er, Debussy had told the pianist Ricar­do Viñes that when writ­ing his exper­i­men­tal piece, “D’un cahi­er d’esquiss­es,” he had been “dream­ing of a kind of music whose form was so free that it would sound impro­vised, of works which would seem to have been torn out of a sketch­book.”

Viñes recount­ed Debussy’s state­ment at a meet­ing of “Les Apach­es,” a group of rad­i­cal writ­ers, artists and musi­cians, of which Rav­el was a mem­ber. Rav­el respond­ed by say­ing that he was ready to put Debussy’s dream into action. He drew his inspi­ra­tion from an expe­ri­ence he had one morn­ing in the for­est at Fontain­bleau. Rav­el’s friend and for­mer music school class­mate Émile Vuiller­moz remem­bered:

He was stay­ing with friends and one morn­ing he heard a black­bird whistling a tune and was enchant­ed by its ele­gant, melan­choly arabesque. He had mere­ly to tran­scribe this tune accu­rate­ly, with­out chang­ing a note, to pro­duce the limpid, poet­ic piece which spir­i­tu­alis­es the nos­tal­gic call of this French broth­er of the For­est Bird in Siegfried.

After the meet­ing, Rav­el set to work on the E Flat Minor “Oiseaux tristes,” which he ded­i­cat­ed to Viñes and includ­ed in his five-piece suite, Miroirs. “Oiseaux tristes is the most typ­i­cal of my way of think­ing,” Rav­el wrote in his 1928 auto­bi­o­graph­i­cal sketch. “It evokes birds lost in the oppres­sive­ness of a very dark for­est dur­ing the hottest hours of sum­mer.”

Rav­el record­ed “Oiseaux tristes” and four oth­er pieces in Lon­don on June 30, 1922, using a Duo-Art repro­duc­ing piano. Unlike the Welte-Mignon machine used by Debussy in 1913 (Rav­el also made a pair of record­ings on the Welte-Mignon at about the same time as Debussy) the Duo-Art sys­tem did not auto­mat­i­cal­ly record the dynam­ics of the per­for­mance. So when Rav­el played “Oiseaux tristes” at the stu­dio in Lon­don, there was an engi­neer seat­ed next to him at a con­sole, turn­ing dials to cap­ture the dynam­ic mod­u­la­tions in his play­ing. After­ward, Rav­el lis­tened to a play­back on a pianola and, sat­is­fied with the results, signed his name on the orig­i­nal roll.

The Enigma Machine: How Alan Turing Helped Break the Unbreakable Nazi Code

In 2001, none oth­er than Sir Mick Jag­ger bought the rights to a nov­el by Robert Har­ris called Enig­ma. The nov­el, a fic­tion­al­ized account of WWII British code­break­ers, then became a fea­ture film, writ­ten by Tom Stop­pard, pro­duced by Sir Mick, and star­ring Mr. Dougray Scott and Ms. Kate Winslett as der­ring-do Bletch­ley Park math­e­mati­cians and crypt­an­a­lysts employed in a race against time and the Nazis to break the fabled Enig­ma code before all hell breaks loose. It all sounds very dra­mat­ic (and I’ve heard the film is enter­tain­ing), but things didn’t hap­pen quite like that. Real­i­ty is nev­er so for­mu­la­ic or so good-look­ing. But the Enig­ma code was bro­ken, and the sto­ry of the code machine and its even­tu­al decryp­tion is fas­ci­nat­ing on its own terms. As Uni­ver­si­ty of Cam­bridge “Enig­ma Project Offi­cer” Dr. James Grime says–in the series of videos above and below–it’s a sto­ry of “how math­e­mati­cians can save lives.” Still with me?

Okay, so in the first video above, Dr. Grime gives us a thor­ough tour of the Enig­ma machine (Sir Mick owns one, by the way… but back to the his­to­ry…). Devel­oped by the Ger­mans, it’s a mar­velous encryp­tion method set into a small box that when opened resem­bles lit­tle more than a fan­cy WWII-era type­writer. Oh, but it’s clever, you see, because the Enig­ma machine (the one above belongs to sci­ence writer Simon Singh) trans­lates ordi­nary mes­sages into code through an inge­nious method by which no let­ter in the code ever repeats, mak­ing it almost impos­si­ble to decode in the ordi­nary ways. The machine was quite com­pli­cat­ed for its time; it works by send­ing the char­ac­ters typed by the keys through a series of circuits—first through three rotors like those on a com­bi­na­tion bike lock, but each with 26 places instead of ten.

Now at this point, the machine was noth­ing more than what was avail­able to any bank or busi­ness wish­ing to trans­mit trade secrets. But the Ger­man mil­i­tary machines had an extra lay­er of encod­ing: at the front of their machines was a “plug­board,” some­thing like a small switch­board. This allowed the cod­ing com­ing through the rotors to be rese­quenced for an extra lev­el of scram­bling. In the Ger­man mil­i­tary machines, the total num­ber of pos­si­ble com­bi­na­tions for mes­sage encryp­tions comes to a stag­ger­ing fig­ure in the quadrillions. (The exact num­ber? 158,962,555,217,826,360,000). There’s a lit­tle more to the machine than that, but Dr. Grime can explain it much bet­ter than I.

Of course, the Enig­ma Machine had to have a fatal flaw. Oth­er­wise, no nov­el, no movie, no dra­ma (and maybe no vic­to­ry?). What was it, you ask? Amaz­ing­ly, as you will learn above, the very thing that made the Enig­ma near­ly impos­si­ble to break, its abil­i­ty to encode mes­sages with­out ever repeat­ing a let­ter, also made the code deci­pher­able. But first, Alan Tur­ing had to step in. Sad­ly, Tur­ing is miss­ing from Enig­ma the film. (More sad­ly, he was dis­graced by the coun­try he served, which put him on tri­al for his sex­u­al­i­ty and humil­i­at­ed him to the point of sui­cide). But as Grime shows above, Tur­ing is one of the real heroes of the Enig­ma code sto­ry. Crypt­an­a­lysts ini­tial­ly dis­cov­ered that they could deci­pher ordi­nary words and phras­es (like “Heil Hitler”) in the Enig­ma mes­sages by match­ing them up with strings of ran­dom let­ters that nev­er repeat­ed.

But this was not enough. In order for the Enig­ma code to work for the Ger­mans, each operator—sender and receiver—had to have exact­ly the same set­tings on their rotors and plug­boards. (The mes­sages were trans­mit­ted over radio via Morse code). Each month had its own set­tings, print­ed on code sheets in sol­u­ble ink that eas­i­ly dis­solved in water. If the Allied code­break­ers deci­phered the set­tings, their decryp­tion would be use­less weeks lat­er. Fur­ther­more, the Ger­man navy had a more com­pli­cat­ed method of encod­ing than either the army or air force. The Pol­ish had devel­oped a machine called the Bombe, which could deci­pher army and air force codes, but not navy. What Tur­ing did, along with Gor­don Welch­man, was devel­op his own ver­sion of the Bombe machine, which allowed him to break any ver­sion of the Enig­ma code in under 20 min­utes since it bypassed most of the tedious guess­work and tri­al and error involved in ear­li­er by-hand meth­ods.

This is all very dra­mat­ic stuff, and we haven’t had one celebri­ty step in to dress it up. While I’m cer­tain that Enig­ma the film is a treat, I’m grate­ful to Dr. Grime for his engage­ment with the actu­al code­break­ing meth­ods and real per­son­al­i­ties involved.

A third video of extra footage and out­takes is avail­able here if you’re still hun­gry for more WWII code­break­ing secrets.

via Sci­ence Dump

Josh Jones is a writer and musi­cian. He recent­ly com­plet­ed a dis­ser­ta­tion on land, lit­er­a­ture, and labor.

Watch Moving Short Films of Frida Kahlo and Diego Rivera at the “Blue House”

Fans of Mex­i­can painter and pro­lif­ic self-por­traitist Fri­da Kahlo have one des­ti­na­tion above all oth­ers: the Blue House, her 1904 home, eas­i­ly iden­ti­fi­able by col­or, at the cor­ner of  Lon­dres and Allende in Mex­i­co City’s Coyoacán bor­ough. I myself dropped in a cou­ple years back, impressed at the atten­tion to detail in con­vert­ing the build­ing and its court­yard into the Fri­da Kahlo Muse­um. (It repaid the time spent in a line that, even in the mid­dle of a week­day, stretched down the block.) Oth­er vis­i­tors, clear­ly lovers of Kahlo’s work, walked the grounds try­ing to sense how much of the artist’s spir­i­tu­al pres­ence remained. Just above, you can see film of the Blue House in its pre-muse­um years, fea­tur­ing the liv­ing pres­ences of both Kahlo and her mural­ist hus­band Diego Rivera. Though the artists them­selves have long gone, the effort to pre­serve their domi­cile has clear­ly suc­ceed­ed; gift shop aside, these parts of its grounds look much the same today.

“Nobody will ever know how much I love Diego,” says a nar­ra­tor read­ing Kahlo’s words as the cam­era cap­tures her and Rivera togeth­er:

I don’t want any­thing to hurt him, noth­ing to both­er him and rob him of the ener­gy he needs for liv­ing — for liv­ing as he likes, for paint­ing, see­ing, lov­ing, eat­ing, sleep­ing, being by him­self, being with some­one. But I’d nev­er want him to be sad. If I had good health, I’d give him all of it. If I had youth, he could take it all.

The footage above was shot by a simul­ta­ne­ous­ly sig­nif­i­cant man in Kahlo’s life, the pho­tog­ra­ph­er Nick­o­las Muray, who put in a ten-year shift as her man on the side. Yet she pre­ferred Rivera to Muray as hus­band mate­r­i­al, divorc­ing and re-mar­ry­ing Rivera even as she spurned Muray’s pro­pos­als. But then, bohemi­an artists have always had their own way of han­dling mar­ried life; I recall one par­tic­u­lar framed Mex­i­can news­pa­per clip­ping dis­played at the Fri­da Kahlo Muse­um, a sto­ry about how, despite his rep­u­ta­tion for ugli­ness, Rivera nev­er once had to suf­fer in the female depart­ment.

Relat­ed Con­tent:

Fri­da Kahlo and Diego Rivera Vis­it Leon Trot­sky in Mex­i­co, 1938

Col­in Mar­shall hosts and pro­duces Note­book on Cities and Cul­ture and writes essays on lit­er­a­ture, film, cities, Asia, and aes­thet­ics. He’s at work on a book about Los Ange­les, A Los Ange­les Primer. Fol­low him on Twit­ter at @colinmarshall.

Lux Aeterna: A Journey of Light, From Distant Galaxies to Small Drops of Water

In years past, we’ve shared with you two ani­ma­tions by Cristóbal Vila — first Nature by Num­bers, which cap­tured the ways in which math­e­mat­i­cal con­cepts (Fibonac­ci Sequence, Gold­en Num­ber, etc.) reveal them­selves in nature. And then Inspi­ra­tions, a short film cel­e­brat­ing the math­e­mat­i­cal art of M.C. Esch­er. Now Vila returns with Lux Aeter­na, a 3D study of light. On his web site, Vila describes the essence of the film.

[It’s] a look at light from sev­er­al points of view. On one side it’s a pow­er­ful radi­a­tion emit­ted by the most dis­tant stars in the uni­verse, and also by our Sun; light floods every­where in nature, from the largest things to the small­est, cre­at­ing inter­est­ing and beau­ti­ful effects; humans always used light as a sym­bol­ic and spir­i­tu­al ele­ment; and it’s an intrigu­ing phys­i­cal phe­nom­e­non deeply stud­ied by sci­ence too.

Vila’s site also hosts a series of screen­shots that take you into the mak­ing of the film. Down the line, the Span­ish artist plans to record a series of video tuto­ri­als in Span­ish ful­ly demon­strat­ing the cre­ative process. If you fol­low him on Twit­ter or Face­book, he’ll let you know when they’re ready for view­ing. Inci­den­tal­ly, you can catch Open Cul­ture on Twit­ter and Face­book too. Hope to see you there.

Hannah Arendt’s Original Articles on “the Banality of Evil” in the New Yorker Archive

We’ve all heard the phrase “the banal­i­ty of evil.” Some of us even know which polit­i­cal the­o­rist to attribute it to, and among those, a few have even read it in con­text. Han­nah Arendt most mem­o­rably employed it in both the sub­ti­tle and clos­ing words of Eich­mann in Jerusalem: A Report on the Banal­i­ty of Evil, her book on the tri­al of Nazi lieu­tenant-colonel Adolf Eich­mann. To Arendt’s mind, Eich­mann will­ing­ly did his part to orga­nize the Holo­caust — and an instru­men­tal part it was — out of nei­ther anti-semi­tism nor pure mal­ice, but out of a non-ide­o­log­i­cal, entire­ly more pro­sa­ic com­bi­na­tion of careerism and obe­di­ence. Read­ers have argued ever since its pub­li­ca­tion about this char­ac­ter­i­za­tion, and those with a spe­cial inter­est in how Arendt arrived there can find in the New York­er’s online archives the orig­i­nal series of “Eich­mann in Jerusalem” arti­cles out of which the book grew: part one, part two, part three, part four, and part five. (Click on the images at the bot­tom of each page to see Arendt’s writ­ing up close. Then click on them again and maneu­ver your mouse around to peruse the pages.) Giv­en that Han­nah Arendt, a new biopic star­ring Bar­bara Sukowa, just gained dis­tri­b­u­tion, you may want to read these arti­cles to stay ahead of the next wave of inter­est in the thinker and her writ­ings.

In today’s mag­a­zines, one reads rather few­er five-part inter­sec­tions of tri­al reportage and moral inquiry by fig­ures like Arendt. But the New York­er has­n’t entire­ly lost its will­ing­ness to con­front these mat­ters. Short­ly after last year’s mas­sacre in Auro­ra, Col­orado, the mag­a­zine ran on its site a piece by Rol­lo Romig in touch with con­cerns, broad­ly speak­ing, sim­i­lar to Arendt’s. Romig, too, looks at the nature of evil, but in a reflec­tion suit­ed to our time — brief, star­tling­ly time­ly, and specif­i­cal­ly for the web — rather than Eich­mann in Jerusalem’s. “The dan­ger of a word like ‘evil’ is that it is absolute,” he writes. “ ‘Evil’ has become the word we apply to per­pe­tra­tors who we’re both unable and unwill­ing to do any­thing to repair, and for whom all of our mech­a­nisms of jus­tice seem unequal: it describes the lim­its of what malev­o­lence we’re able to bear. In the end, it’s a word that says more about the help­less­ness of the accuser than it does the trans­gres­sor.”

H/T to Chris­t­ian F. for flag­ging the New York­er arti­cles for us.

Relat­ed Con­tent:

The Tri­al of Adolf Eich­mann at 50

55 Free Phi­los­o­phy Cours­es

Down­load Free Cours­es from Famous Philoso­phers: From Bertrand Rus­sell to Michel Fou­cault

Col­in Mar­shall hosts and pro­duces Note­book on Cities and Cul­ture and writes essays on lit­er­a­ture, film, cities, Asia, and aes­thet­ics. He’s at work on a book about Los Ange­les, A Los Ange­les Primer. Fol­low him on Twit­ter at @colinmarshall.

152 Big Thinkers Answer the Question “What Should We Be Worried About?”

Edge_2013_Flower

It’s a new year, which means it’s time for the Edge.org to pose its annu­al ques­tion to some of the world’s finest minds. The 2013 edi­tion asks the ques­tion, “What Should We Be Wor­ried About?”. And the replies — 152 in total — fea­ture thoughts by Nas­sim Nicholas Taleb, Daniel Den­nettSher­ry Turkle, Lawrence Krauss, and Esther Dyson, plus the ones excerpt­ed below. If you’re will­ing to go down the rab­bit hole, you can access the com­plete col­lec­tion of respons­es here.

What I fear most is that we will lack the will and the fore­sight to face the world’s prob­lems square­ly, but will instead retreat from them into super­sti­tion and igno­rance. Con­sid­er how in 375 AD, after a dream in which he was whipped for being “a Ciceron­ian” rather than a Chris­t­ian, Saint Jerome resolved no more to read the clas­si­cal authors and to restrict him­self only to Chris­t­ian texts, how the Chris­tians of Alexan­dria mur­dered the philoso­pher and math­e­mati­cian Hypa­tia in 415, and real­ize that, at least in part, the so-called dark ages were not some­thing imposed from with­out, a break­down of civ­i­liza­tion due to bar­bar­ian inva­sions, but a choice, a turn­ing away from knowl­edge and dis­cov­ery into a kind of reli­gious fun­da­men­tal­ism. [Read the rest here.]

Tim O’Reil­ly, Founder and CEO of O’Reil­ly Media, Inc.

Death is what makes this cycli­cal renew­al and steady advance in organ­isms pos­si­ble. Dis­cov­ered by liv­ing things mil­lions of years ago, aging and death per­mit a species to grow and flour­ish. Because nat­ur­al selec­tion ensures that the child-who-sur­vives-to-repro­duce is bet­ter than the par­ent (albeit infin­i­tes­i­mal­ly so, for that is how evo­lu­tion works), it is bet­ter for many species that the par­ent step out of the way and allow its (supe­ri­or) child to suc­ceed in its place.… So impor­tant is death that we have, wired into our genes, a self-destruct senes­cence pro­gram that shuts down oper­a­tions once we have suc­cess­ful­ly repro­duced, so that we even­tu­al­ly die, leav­ing our children—the fresh­er, new­er, shinier ver­sions of ourselves—to car­ry on with the best of what we have giv­en them: the best genes, the best art, and the best ideas. Four bil­lion years of death has served us well. Now, all this may be com­ing to an end, for one of the things we humans, with our evolved intel­li­gence, are work­ing hard at is try­ing to erad­i­cate death.[Read the rest here.]

–Kate Jef­fery, Head, Dept. of Cog­ni­tive, Per­cep­tu­al and Brain Sci­ences, Uni­ver­si­ty Col­lege, Lon­don

Most of the smart peo­ple I know want noth­ing to do with pol­i­tics. We avoid it like the plague… Is this because we feel that pol­i­tics isn’t where any­thing sig­nif­i­cant hap­pens? Or because we’re too tak­en up with what we’re doing, be it Quan­tum Physics or Sta­tis­ti­cal Genomics or Gen­er­a­tive Music? Or because we’re too polite to get into argu­ments with peo­ple? …  It’s pol­i­tics that’s bleed­ing the poor­er nations for the debts of their for­mer dic­ta­tors. It’s pol­i­tics that allows spe­cial inter­ests to run the coun­try. It’s pol­i­tics that helped the banks wreck the econ­o­my. It’s pol­i­tics that pro­hibits gay mar­riage and stem cell research but nur­tures Gaza and Guan­tanamo.… What wor­ries me is that while we’re lais­sez-ing, some­one else is faire-ing. [Read the rest here]

–Bri­an Eno, Artist, Com­pos­er, Pro­duc­er

You can dive into the full col­lec­tion at Edge.org. The pho­to above was tak­en by Katin­ka Mat­son.

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The Beatles: Unplugged Collects Acoustic Demos of White Album Songs (1968)

I am a child of Bea­t­les fans; we owned near­ly every album in orig­i­nal mono vinyl press­ings. But some­how there was a hole in our collection—a whale-sized hole, it turned out—because we didn’t have a copy of the White Album. I was intro­duced to it lat­er by a friend, who shared its secrets with me like one would share the favorite work of a favorite poet—reverently. We delved into the his­to­ry and learned that record­ing ses­sions were noto­ri­ous­ly fractious—with Ringo step­ping away for a while and Paul step­ping in on the drums, and with the oth­ers record­ing solo, some­times with ses­sion play­ers, rarely in the same room togeth­er— a sit­u­a­tion reflect­ed in the track­ing of the record, which feels like a com­pi­la­tion of songs by each Bea­t­le (but Ringo), rather than the usu­al smooth affair of Lennon/McCartney, and occa­sion­al Har­ri­son pro­duc­tions.

That rangi­ness is what makes the White Album spe­cial: it’s feels so famil­iar, and yet it’s not like any­thing they’d done before and presages the genius to come in their solo careers. So imag­ine my sur­prised delight at stum­bling across a boot­leg that die-hard com­pletists have sure­ly known about for ages (though it only saw release in 2002): The Bea­t­les: Unplugged is a record­ing of acoustic songs, most of which would appear on the the White Album, played and sung by John, Paul, and George at George’s house in Esher—hence the bootleg’s sub­ti­tle, the Kin­fauns-Ses­sions (Kin­fauns was the name of George’s home). Here are the close vocal har­monies that seemed to mark a group of musi­cians in near-per­fect har­mo­ny with each oth­er (but with­out Ringo, again). And here are some of the Bea­t­les’ most poignant, point­ed, and vaude­vil­lian songs live and direct, with­out any stu­dio tricks what­so­ev­er.

Of course these were record­ed as demos, and not meant for release of any kind, but even so, they’re fair­ly high-qual­i­ty, in a lo-fi kind of way. Lis­ten­ing to the songs in this form makes me think of the folk/psych revival­ism of the so-called New Weird Amer­i­ca that hear­kened back to so much six­ties’ trip­py play­ful­ness, but most­ly eschewed the major label stu­dio sound of six­ties’ records and wel­comed promi­nent tape hiss and sin­gle-track, bed­room takes. Giv­en the rapid pop-cul­ture recy­cling that is the hall­mark of the ear­ly 21st cen­tu­ry, The Bea­t­les: Unplugged sounds strange­ly mod­ern.

The Unplugged ses­sion includes a won­der­ful­ly airy ren­di­tion of “Dear Pru­dence,” which like so many of these songs, was writ­ten dur­ing The Bea­t­les’ sojourn in India, about Mia Farrow’s sis­ter (a com­plete track­list is here). The com­pil­ers of the release have tacked on three addi­tion­al songs: “Spir­i­tu­al Regen­er­a­tion India” (also a birth­day trib­ute to The Beach Boy’s Mike Love), an odd­ly upbeat stu­dio run-through of “Hel­ter Skel­ter,” and a free-form acoustic med­ley of tra­di­tion­al songs called “Rishikesh No. 9” (also called “Spir­i­tu­al Christ­mas”). In addi­tion to the slew of White Album songs, the record­ing ses­sion also fea­tures McCartney’s “Junk,” which lat­er appeared on his 1970 solo album McCart­ney and John Lennon’s “Jeal­ous Guy” (here called “Child of Nature”), which sur­faced on 1971’s Imag­ine. As Allmusic’s Bruce Eder writes, Unplugged is a boot­leg so good, “the folks at Apple and EMI ought to be kick­ing them­selves for not think­ing of it first.”

Relat­ed Con­tent

Eric Clapton’s Iso­lat­ed Gui­tar Track From the Clas­sic Bea­t­les Song, ‘While My Gui­tar Gen­tly Weeps’ (1968)

Hear the 1962 Bea­t­les Demo that Dec­ca Reject­ed: “Gui­tar Groups are on Their Way Out, Mr. Epstein”

How Bertrand Rus­sell Turned The Bea­t­les Against the Viet­nam War

Peter Sell­ers Reads The Bea­t­les’ “She Loves You” in Four Voic­es

Josh Jones is a writer and musi­cian. He recent­ly fin­ished a dis­ser­ta­tion on land, land­scape, and labor. 

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