An apple spinning until it explodes at 28,500 FPS

The piece is the work of the guys from the channel Slo Mo Guys, who propose this time to see how far they can turn a apple until it finally explodes, of course, all shot in super slow motion at 28,500 frames per second.

As presenter Gavin Free explains, he used an apple and a 150 psi air compressor to demonstrate the Coandă effect, that is, when a moving fluid that comes into contact with a convex surface follows its curve, rather than continuing on its curve. initial path. As Free explains:

When the jet of air bounces off one side of the block, it creates an area of ​​low pressure between the air and the curved surface. This low pressure area effectively attracts airflow, allowing it to follow the curve of the block. At this point, when the curved surface of the apple is exerting a force on the air, the air exerts an equal and opposite force upward on the apple.

Finally, this effect caused the apple to levitate on the jet of air, spinning rapidly and increasing its speed until it finally broke. In fact, the apple spun too fast for Free’s Phantom camera to capture even at 1,000 FPS, prompting him to take a even slower to shoot at 28,500 FPS.

According to Free’s calculations, the apple gives “a full rotation in 9.1 milliseconds, that’s 109 rotations per second. Which reveals that the speed of the apple is 6,565 RPM”. [YouTube]


Warren Saré revives the memory of veterans in a book

Warren Saré has veterans, like Pale Dramanne, pose in military uniform.
Warren Saré has veterans, like Pale Dramanne, pose in military uniform. © Warren Saré

It is a salutary and moving work of memory. The Burkinabè photographer Warren Saré publishes “Veterans”, a book which is the fruit of many years of work with African soldiers engaged in the French army, in colonial times, to fight in Algeria, Indochina or elsewhere. other theaters of war. For Warren Saré, a self-taught photographer who started out as a seller in his village market, it is the work of a lifetime.


President accuses Rosa Mendes ‘revu’ of having a racist speech


November 26, 2020 at 7:33 pm

João Lourenço, who was speaking today at a meeting with young people in Luanda, addressed the topic after the intervention of civic activist, Rosa Mendes, one of the participants in this initiative, where various sectors and organizations were represented.

Rosa Mendes, who approached singing before starting her intervention before about a hundred young guests, regretted that it was not possible to “bury Brother Inocêncio de Matos”, 15 days after the young man’s death, following a demonstration and addressed situations of discrimination that women experience.

In addition to the difficulties experienced by women ‘zungueiras’ and domestic workers, who are excluded from social support, Rosa Mendes also pointed out “modern slavery in the private sector”, of which she said she was also a victim.

“We are enslaved by whites,” accused the activist, regretting that the members of the revolutionary movement (‘revus’) in Angola, for having a different opinion, are not recognized, as she said is her case.

“I ask as a father that he is, help us, do not call us names, do not treat us like troublemakers because we are all Angolans”, he appealed, addressing João Lourenço.

Rosa Mendes defined herself as “a victim of the system”, despite her commitment to the battle for democracy.

In response, the President stated that he had not called anybody’s name: “You are the ones who call themselves ‘revus’, whether it is a compliment or a pejorative, everyone draws his conclusions”.

João Lourenço also said that “those who fought for the freedom of this country were revolutionaries and were very proud of it”, so being a revolutionary is not pejorative.

“Nobody condemns what they are saying, it is not condemnable, it is your right”, he reinforced, stressing that “the revolution must be a revolution of ideas”.

The Head of State, on the other hand, disapproved of what he considered to be racist statements.

“We do not support the behavior of xenophobia and racism of those who come to say that they do not work with whites. There are bad whites, but there are also bad blacks, there are very bad blacks”, he stressed, adding: “what we have to fight is evil, and not skin color “.

As for the intervention request to bury Inocêncio de Matos, he stressed that it does not depend on his authorization.

“This is just wanting to do a show, I know perfectly well what has happened so far and why the failure has not yet been buried,” he said, questioning the activist’s intention.

“The authorities prevented the innocence of Inocencio de Matos? Is that false. Did anyone prevent it?”


How’s the culture going? # 2

Eric Tabuchi and Nelly Monnier: “It’s even more unfair with this second confinement”

Eric Tabuchi and Nelly Monnier During the first confinement, Nelly Monnier and Eric Tabuchi had invented Décor-Export, a brilliant participatory game allowing their cutout silhouettes to travel in the photographs of others. Since then, this initiative has become a book (Ed. Poursuite) and the two artists have traveled in real life to continue their photographic report of the titanic “Atlas of natural regions”, whose website they have just unveiled.

“We had to open a large exhibition of 250 images at the CCCOD in Tours, the first with five regions of the Atlas finalized thanks to our partner CAUE Touraine. The cancellation of this opening may lead to others: we have five exhibitions scheduled for 2021, but we need six months in advance of shots. This creates tension and uncertainty. We have to go to Haute-Savoie in two weeks, we are waiting for authorizations, but we are wondering how to eat and find accommodation. We launched the ARN website on Facebook. This is our first foray into dematerialization, a way not to sink into isolation and loneliness, a way to ward off bad luck …
“This second confinement comes at the right time in the end: we have plenty of things to finalize for the site. We try to be positive, even though it seems certain that things are not going to get better any time soon, that it will last for months, even years. And to think that this event will not be represented by the artists! The artist has become a secondary being, pushed to the margins of public utility. Confiscating the artistic representation seems strange to us… And it is even more unfair with this second confinement: people find themselves being burdens, at the bottom of the ladder. This gives the idea that what matters is having a good butcher, a bank account to consume and that art has become Netflix. There is still something positive about this event: we adapt! Someone told us about teletourism… We will undoubtedly become teleartists… ” Collected by Clémentine Mercier

Read also episode 1 of “How’s Culture Going?”

Jérôme Baron: “Offer something else to the public”

Jérôme Baron, artistic director of the Trois Continents festival in NantesSince 2010 at the head of the Nantes festival of Trois Continents – where many great filmmakers from Asia, Africa and Latin America have revealed themselves to France – Jérôme Baron has held the helm of this 42e edition reinvented online, in extremis and for the first time. It starts today, until November 29.

“As for many, things could obviously get better… Failing to have imagined that we would be reconfigured in November, we were careful in the preparatory stages of the festival, since we had imagined up to three possible formats… in physics . We made the decision to work on a version with a public offer, online and free, twenty-four hours after the announcement of Emmanuel Macron. We are very attached, in Nantes, to an open festival, it is a working philosophy to bring down the walls. Our intention was to give the possibility to films which have known a succession of aborted destinies, or which have not yet found theatrical distribution, to be visible.
“The most difficult thing is the impossibility of projecting yourself, even in the short term. Keeping a team afloat without knowing the possible resources, getting bogged down in a just-in-time situation … Our public partners have enabled us to work with an economic base that is at least more or less satisfactory, but our great fear is that, if the situation continues, funds will probably run out in 2021, 2022. And we do not exclude that the return to a more normal operating framework is to the detriment of a real density and diversity of the offer… It was very obvious to see the concern of the exploitation this year, without the big American machines to fill the rooms and cash drawers. It raised the question of models to reinvent, to offer something else to the public. What do we do with a tool and a place of cinema, apart from carrying out a purely commercial activity there? ” Collected by Sandra Onana

The Creustels: “Less confined, people share less Internet nonsense”

Marion Creuzevault and Julien Pestel are the “Creustels”Their video hijackings of the exorcist or from Manon des sources, Proutophiles and pleasantly morons, were shared like hotcakes on social networks during the first confinement. And today, how’s that for the Creustels, that is to say the authors and actors Marion Creusvaux and Julien Pestel?

“Bin is the balls. Our Instagram account was hacked yesterday, like many. A priori, it’s a virulent virus, so 2020… The Instagram team is trying to recover our data, but we will lose all the comments to our videos anyway, and that’s very sad for us because it was almost a diary of the first confinement. Even today, people came to review and comment on the March videos! Since the reconfinement, we have resumed the diversions, without knowing whether or not everyone was fed up with our foolish jokes … We also noticed it: as people are less confined, they share less nonsense. ‘Internet, but we are happy to see that our first video of the second confinement, the one that hijacks Macron’s speech, has collected 850,000 views. We now have 340,000 subscribers, and a total of about 60 videos. Otherwise, we will put online, on November 25 on Julien Pestel’s YouTube channel, our short film which was initially to circulate in festivals, Behind the door, a true story in which we were the protagonists and which addresses the issue of violence against women. ” Collected by Eve Beauvallet

Jean-Pascal Zadi: “Culture is becoming as important as eating”

Not content with being the author of the most brilliantly unseemly French comedy of the year, which led the way in which cinema attendance resumed in early July, Jean-Pascal Zadi barely left himself the time to ” an adrenaline rush after Simply black (750,000 entries). We wanted to know what the actor-filmmaker can do four months after his summer hit.

“It’s going pretty well for me, I’m in the job, finishing season 2 of Craignos whose name is Downright Craignos and will be broadcast on France TV in February 2021. There, I’m editing, we’re working on the music with the composer, it’s a part of the work that I really appreciate. We had the chance to shoot in July, right between the two confinements, and finished in September. It’s when we have a hard time that we realize that culture is super important, it softens manners … When we are in confinement, it’s not at all secondary, it’s the opposite, that becomes as important as eating. Even those who say that bookstores are not essentials are very happy when they return home to have their books! Being active, for me, is something very healthy for the mind, doing nothing is really a hassle. After Simply black, I immediately got to work, I’m lucky to have made a film that worked a bit… If I had any advice for everyone, it would be to go read How to have sex with a nigger without getting tired by Dany Laferrière. ” Collected by Sandra Onana



Former Lubango municipal administrator arrested

New Journal / Angop

November 15, 2020 at 11:46 am

Silvano Levi is accused of involvement in the crime of embezzlement and criminal association. The former manager held the position of municipal administrator of Lubango for three years (2012-2014), having been appointed by the then provincial governor of Huíla, Isaac dos Anjos, to replace Manuel Capenda.

The citizen was interrogated for four hours in the SIC and was no longer released, having been taken to the Lubango penitentiary.

According to SIC spokesman Sebastião Vika, cited by Angop, the arrest of the former administrator is the result of an investigation that has been in progress for over four years, with the investigation process determining that there are indications of Silvano Levi’s alleged involvement in crimes embezzlement and criminal association.

Without giving details of the damage caused to the State, Sebastião Vika informed that criminal investigation procedures are taking place regarding acts of corruption.

Recently, the regional coordinator of the Attorney General’s Office, Hernâni Beira Grande, when presenting the new local prosecutor, said that more than 50 criminal cases involving managers of the province are under investigation.


When Alfonso XIII undressed in Las Hurdes: the photograph that the Gestapo seized from Azaña

The butt of Nicholas II, the last Tsar of Russia, has become an object of debate and joke on social networks these days. A series of photos of Nicolás swimming naked in a Finnish lake, belonging to the Romanov100 project, have recalled that modesty is a fairly recent social construction. At the beginning of the 20th century, monarchs like the Russian or British Edward VIII, who is credited with exporting nudism to the beaches of Croatia, did not hesitate to bathe as God brought them into the world even in front of photojournalists. Things of the time … Alfonso XIII of Spain also has some famous snapshots where he leaves nothing to the imagination. The last King before the proclamation of … See More.

Mabeye Deme, the invisible photographer – In G major

Published on : Modified :

“The children, women and men photographed by Mabeye Deme seem like footprints, as if imbued with the fragile fabric of the textile.” Dixit the plastic artist Ernest Pignon Ernest who bumps into the question of the imprint. These silhouettes walk, anonymous, in a corner of Africa, but which one?

We are in the print, in the timeless, we are especially in the apple of Don’t call the temple which tracks, with a poetic eye, its Senegalese world which pays homage to the dead cliché, unfolding like a photo album as precious as the face of a grandmother who would be called Kady Kandé. On the menu of his goal In G Major: Doudou N’diaye Rose, Kurosawa, the Dormeur du Val, his bookWallbeuti, his series on the Bayefall, this Sufi Muslim brotherhood.

Mabeye Deme’s musical choices

Melissa Laveaux In the Valley of Wood

Rone and Saul Williams Faster

Doudou Ndiaye PinkBurgam songs


Five views on Henri Cartier-Bresson

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” Henri Cartier-Bresson. The Big Game ”is the title of the exhibition scheduled at Palazzo Grassi, the museum of the collector François Pinault in Venice. A private exhibition of the master of black and white with several of the most prestigious curators such as filmmaker Wim Wenders, photographer Annie Leibowitz or François Pinault himself …

There are five looks all around a single selection of images made by Henri Cartier-Bresson himself. Towards the end of his life, Henri Cartier-Bresson chose 385 images from among the thousands of photos he had taken throughout his career. A testamentary work in a way of which he reproduces six prints. Five are housed in various prestigious museums such as the Victoria and Albert Museum in London, the Menil collection in Houston, the University of Fine Arts in Osaka and the BNF in France. There was still one print available which the collector François Pinault has just acquired. Mathieu Humery curator of the exhibition.

« At the time when François Pinault acquired this rather remarkable set, it was not really the idea of ​​making an exhibition once again on Cartier-Bresson, but on his perception, that is to say, at the time of the 1970s, he chose these 385 images. So, the idea was to repeat this gesture a bit and ask five co-commissioners to make a specific choice of around fifty images. »

Read also : Henri Cartier-Bresson, the eye of the century was formed in Africa

Five spaces and as many interpretations of the work of Henri Cartier-Bresson. German filmmaker Wim Wenders plunges us into darkness as in a cinema hall and exposes the images like stained glass. Annie Leibowitz, a photographer herself, focuses on the iconic shots of the master which influenced him such as the portrait of the painter Matisse. François Pinault, in a classic hanging, highlights the joyful Cartier-Bresson, street photographer in the post-war years of the 1950s and 1960s. So many points of view on a work that we never stop discovering.

The exhibition Henri Cartier-Bresson. The Great Game, scheduled until March 20, 2021 at Palazzo Grassi in Venice, is currently closed, in accordance with Italian government guidelines on combating the spread of the Covid-19 virus. The exhibition will be presented at the National Library of France, in Paris, from April 13 to August 22, 2021.


“Once upon a dream” exhibition in Italy, tribune to Egyptian artist Youssef Nabil

Direction Venice where as in all of Italy, the museums remain open with of course the sanitary measures that have become usual in this pandemic, mainly the wearing of masks for visitors. At the Pinault Foundation, at the Palazzo Grassi, a large exhibition is dedicated to the Egyptian artist Youssef Nabil. Entitled “Once upon a dream”, a title that makes you dream … Muriel Maalouf visited it. .

David Mendes leaves UNITA parliamentary group

Independent deputy David Mendes, elected on the UNITA lists, announced that he will formalize, this Tuesday, 3, his departure from the parliamentary group of the “Black Cock”, for lack of “moral conditions”, claiming to have been the target of threats death and complaining about the lack of solidarity of the main opposition party.

New Journal

2 November 2020 at 13:36

“I do not share with people who have no tolerance. I do not share with people who do not have tolerance and applaud death threats, without sympathizing with the victim. Many UNITA leaders and deputies spoke to me and showed their solidarity, but solidarity was lacking. of the party “, said David Mendes in the analysis space of TV Zimbo.

The lawyer and founder of Associação Mãos Livres wrote a post on his Facebook on October 28, in which he stated that he was waiting serenely for “a statement” by the party leadership to a video allegedly produced by UNITA-Brussels, with threats of death directed at you.

The video came after a comment by the deputy on TV Zimbo, in which he condemned the participation of UNITA in an attempted demonstration on 24 October.

For David Mendes, UNITA’s presence at the demonstration “was a strategic mistake” and a “mere political use”.

“If society decides to go to a demonstration, political parties should not get involved because political parties want to achieve political power. And in a democracy political power is not reached on the street,” said the independent UNITA deputy in the same space. analysis of Zimbo in which he now announced his departure from the “Black Cock”.

David Mendes, who said he had already communicated his decision to Isaías Samakuva, former UNITA president, “out of respect” and because he was the person who invited him to join the party, also said that his life “does not have price “and not even his family is willing to lose someone” for a party that thinks that those who have a different opinion should be physically eliminated “.