Dans le cadre d'un partenariat avec l'agence spatiale américaine, la société Boeing va mener un vol d'essai habité avec la capsule Starliner. À bord, deux astronautes, qui doivent rejoindre la Station spatiale internationale. La mission Boe-CFT peut être suivie en direct.

Une mission chinoise -- Chang'e 6 -- va apporter un instrument français sur la face cachée de la Lune. La Chine espère pouvoir ramener des échantillons, ce qui serait une première de ce côté-ci du satellite.

An anonymous reader shared this report from the New York Times: American officials are trying to increase international pressure on Russia not to deploy an antisatellite nuclear weapon in space, and have obtained information that undermines Moscow's explanation that the device it is developing is for peaceful scientific purposes, a senior State Department official said on Friday... On Friday, Mallory Stewart, the assistant secretary of state for arms control, said that while the United States had been aware of Russia's pursuit of such a device for years, "only recently have we been able to make a more precise assessment of their progress." Ms. Stewart, speaking at the nonpartisan Center for Strategic and International Studies in Washington, said the orbit the Russian satellite would occupy is in a high-radiation region not used by other satellites, information that undercuts Russia's defense that it is not developing a weapon.

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The world's highest astronomical site is officially open for business after being in the works for 26 years. Space.com reports: The Japanese University of Tokyo Atacama Observatory, or TAO, which was first conceptualized 26 years ago to study the evolution of galaxies and exoplanets, is perched on top of a tall mountain in the Chilean Andes at 5,640 meters (18,500 feet) above sea level. The facility's altitude surpasses even the Atacama Large Millimeter Array, which is at an elevation of 5,050 meters (16,570 feet). TAO is located on the summit of Atacama's Cerro Chajnantor mountain, whose name means "place of departure" in the now-extinct Kunza language of the indigenous Likan Antai community. The region's high altitude, sparse atmosphere and perennially arid climate is deadly to humans, but makes an excellent spot for infrared telescopes like TAO as their observational accuracies rely on low moisture levels, which render Earth's atmosphere transparent in infrared wavelengths. TAO's 6.5-meter telescope consists of two science instruments designed to observe the universe in infrared, which is electromagnetic radiation with a wavelength longer than visible light but shorter than microwaves. One of the instruments, named SWIMS, will image galaxies from the very early universe to understand how they coalesced out of pristine dust and gas, a process whose specifics remain murky despite decades of research. The second, named MIMIZUKU, will aid the overarching science goal by studying primordial disks of dust within which stars and galaxies are known to form, according to the mission plan. Constructing the telescope on the summit of Mt. Chajnantor "was an incredible challenge, not just technically, but politically too," Yuzuru Yoshii, a professor at the University of Tokyo in Japan who spearheaded TAO since 1998, said in a statement. "I have liaised with Indigenous peoples to ensure their rights and views are considered, the Chilean government to secure permission, local universities for technical collaboration, and even the Chilean Health Ministry to make sure people can work at that altitude in a safe manner." "Thanks to all involved, research I've only ever dreamed about can soon become a reality, and I couldn't be happier," he added.

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RockDoctor (Slashdot reader #15,477) wants to tell you about a "new" star that will be visible to the naked eye — without a telescope — sometime before September: By "star", I do not mean "comet", "meteorite" or "firefly", but genuine [star] photons arriving here after about 3000 years in flight, causing your eyes to see a bright point on the nighttime sky. When it happens, the star will go from needing-a- telescope-or-good-binoculars-to-see, to being the 50th (or even 30th) brightest star in the sky. For a week or so. Of course, it could just go full-on supernova, and be visible in daylight for a few weeks, and dominate the night sky for months. But that's unlikely. Named "T Corona Borealis" (because it's the 20th variable star studied in the constellation "Corona Borealis") it's now visible all night, all year, for about 60% of the world's population (although normally you need binoculars to see it). But RockDoctor writes that in 2016, "T CrB" (as it is known) has started showing "a similar pattern of changes" to what happened in the late 1930s when it became one of only 10 "recurring nova" known to science: In 2023, the pattern continued and the match of details got better. The star is expected to undergo another "eruption" — becoming one of the brightest few stars in the sky, within the next couple of months. Maybe the next couple of weeks. Maybe the next couple of hours.... Last week, astrophysicist Dr Becky Smethurst posted on the expected event in her monthly "Night Sky News" video blog. If you prefer your information in text not video, the AAVSO (variable star observers) posted a news alert for it's observers a while ago. They also hosted a seminar on the star, and why it's eruption is expected Real Soon Now, which is also on YouTube. A small selection of recent papers on the subject are posted here, which also includes information on how to get the most up-to-date brightness readings (unless you're a HST / JWST / Palomar / Hawai`i / Chile telescope operator). Yes, the "big guns" of astronomy have prepared their "TOO — Target Of Opportunity" plans, and will be dropping normal observations really quickly when the news breaks and slewing TOO the target. You won't need your eclipse glasses for this. (Dr Becky's video covers where you can send them for re-use.) But you might want to photograph the appropriate part of the sky so you'll notice when the bomb goes off. Bomb? Did I say that the best model for what is happening is a thermonuclear explosion like a H-bomb the size of the Earth detonating? Well, that's the best analogue. This CNN article includes a nice animation from NASA illustrating the multi-star interaction that's causing the event: The stars in the orbiting pair are close enough to each other that they interact violently. The red giant becomes increasingly unstable over time as it heats up, casting off its outer layers that land as matter on the white dwarf star. The exchange of matter causes the atmosphere of the white dwarf to gradually heat until it experiences a "runaway thermonuclear reaction," resulting in a nova [according to NASA]... The NASAUniverse account on X, formerly known as Twitter, will provide updates about the outburst and its appearance. The BBC reiterates the key data points — that "The rare cosmic event is expected to take place sometime before September 2024. When it occurs it will likely be visible to the naked eye. No expensive telescope will be needed to witness this cosmic performance, says NASA."

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In September NASA's James Webb Space Telescope investigated an exoplanet 8.6 times as massive as Earth, and "revealed the presence of carbon-bearing molecules including methane and carbon dioxide." Webb's discovery adds to recent studies suggesting that [planet] K2-18 b could be a Hycean exoplanet, one which has the potential to possess a hydrogen-rich atmosphere and a water ocean-covered surface... The planet's large size — with a radius 2.6 times the radius of Earth — means that the planet's interior likely contains a large mantle of high-pressure ice, like Neptune, but with a thinner hydrogen-rich atmosphere and an ocean surface. Hycean worlds are predicted to have oceans of water. However, it is also possible that the ocean is too hot to be habitable or be liquid. NASA's announcement included some additional context: K2-18 b orbits the cool dwarf star K2-18 in the habitable zone and lies 120 light-years from Earth in the constellation Leo. Exoplanets such as K2-18 b, which have sizes between those of Earth and Neptune, are unlike anything in our solar system. This lack of equivalent nearby planets means that these 'sub-Neptunes' are poorly understood, and the nature of their atmospheres is a matter of active debate among astronomers. The suggestion that the sub-Neptune K2-18 b could be a Hycean exoplanet is intriguing, as some astronomers believe that these worlds are promising environments to search for evidence for life on exoplanets... The abundance of methane and carbon dioxide, and shortage of ammonia, support the hypothesis that there may be a water ocean underneath a hydrogen-rich atmosphere in K2-18 b. Long-time Slashdot reader Baron_Yam noticed some sites resurfacing the news from September this week with more spectacular headlines, like "NASA discovered a planet twice as big as Earth with a gas that is 'only produced by life'" and "Discovery... sparks huge excitement among astronomers. NASA's announcement? It's early Webb observations "provided a possible detection of a molecule called dimethyl sulfide. On Earth, this is only produced by life." The bulk of the dimethyl sulfide in Earth's atmosphere is emitted from phytoplankton in marine environments. The inference of dimethyl sulfide is less robust and requires further validation. "Upcoming Webb observations should be able to confirm if dimethyl sulfide is indeed present in the atmosphere of K2-18 b at significant levels," explained Nikku Madhusudhan, an astronomer at the University of Cambridge and lead author of the paper announcing these results. While K2-18 b lies in the habitable zone, and is now known to harbor carbon-bearing molecules, this does not necessarily mean that the planet can support life. But it's all a validation of the new discoveries being made possible by space telescopes — new and old. "The first insight into the atmospheric properties of this habitable-zone exoplanet came from observations with NASA's Hubble Space Telescope, which prompted further studies..." "This result was only possible because of the extended wavelength range and unprecedented sensitivity of Webb, which enabled robust detection of spectral features with just two transits," said Madhusudhan... "These results are the product of just two observations of K2-18 b, with many more on the way," explained team member Savvas Constantinou of the University of Cambridge. "This means our work here is but an early demonstration of what Webb can observe in habitable-zone exoplanets." [...] The team now intends to conduct follow-up research with the telescope's MIRI (Mid-Infrared Instrument) spectrograph that they hope will further validate their findings and provide new insights into the environmental conditions on K2-18 b. "Our ultimate goal is the identification of life on a habitable exoplanet, which would transform our understanding of our place in the universe," concluded Madhusudhan. "Our findings are a promising step towards a deeper understanding of Hycean worlds in this quest."

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This week Russia vetoed a UN resolution that proposed banning nuclear weapons in space, CNN reports. But it all happened "amid U.S. intelligence-backed concerns that Moscow is trying to develop a nuclear device capable of destroying satellites." In February, President Joe Biden confirmed the US has intelligence that Russia is developing a nuclear anti-satellite capability. Three sources familiar with the intelligence subsequently told CNN the weapon could destroy satellites by creating a massive energy wave when detonated... US Ambassador Linda Thomas-Greenfield said Wednesday's vote "marks a real missed opportunity to rebuild much-needed trust in existing arms control obligations." A US and Japan-drafted resolution had received cross-regional support from more than 60 member states. It intended to strengthen and uphold the global non-proliferation regime, including in outer space, and reaffirm the shared goal of maintaining outer space for peaceful purposes. It also called on UN member states not to develop nuclear weapons or other weapons of mass destruction designed to be placed in Earth's orbit.... Experts say this kind of weapon could have the potential to wipe out mega constellations of small satellites, like SpaceX's Starlink, which has been successfully used by Ukraine to counter Russian troops. This would almost certainly be "a last-ditch weapon" for Russia, the US official and other sources said — because it would do the same damage to whatever Russian satellites were also in the area. The article notes that in March Russian President Vladimir Putin "told officials that space projects, including the setup of a nuclear power unit in space, should be a priority and receive proper financing." Thanks to long-time Slashdot reader schwit1 for sharing the news.

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Mimas, une lune de Saturne, abrite un océan d’eau liquide sous sa surface, comme Encelade. Une découverte officialisée au début de l'année 2024, que commente cet article de The Conversation.

La sonde Voyager 1 est toujours opérationnelle et elle peut envoyer des données de télémétrie exploitables. Maintenant, il reste à rétablir la liaison pour récupérer des données scientifiques. La Nasa est sur la bonne voie.

L'agence spatiale américaine va expérimenter un satellite équipé d'une voile solaire. Un test qui durera quelques mois et qui doit permettre de glaner des informations pour envisager de futures voiles solaires plus ambitieuses.

Le directeur général de la Nasa a alerté les parlementaires américains sur les progrès très importants de la Chine dans le domaine spatial. Il a également souligné que certains programmes civils n'en sont pas vraiment.

L'orbite terrestre est jonchée de débris datant des débuts de la conquête spatiale. Pour qu'elle puisse toujours être accessible, des efforts sont entrepris pour désorbiter les satellites en fin de vie. Mais il y a aussi à traiter tous les objets dont la conception n'a pas prévu l'après.

Several "high-profile astronomers" will meet at London's Royal Society (the UK's national academy of sciences), "to question some of the most fundamental aspects of our understanding of the universe.reports Futurism: As The Guardian reports, the luminaries of cosmology will be re-examining some basic assumptions about the universe — right down to the over-a-century-old theory that it's expanding at a constant rate. "We are, in cosmology, using a model that was first formulated in 1922," coorganizer and Oxford cosmologist Subir Sarkar told the newspaper, in an apparent reference to the year Russian astronomer Alexander Friedmann outlined the possibility of cosmic expansion based on Einstein's general theory of relativity. "We have great data, but the theoretical basis is past its sell-by date," he added. "More and more people are saying the same thing and these are respected astronomers." A number of researchers have found evidence that the universe may be expanding more quickly in some areas compared to others, raising the tantalizing possibility that megastructures could be influencing the universe's growth in significant ways. Sarkar and his colleagues, for instance, are suggesting that the universe is "lopsided" after studying over a million quasars, which are the active nuclei of galaxies where gas and dust are being gobbled up by a supermassive black hole. The article notes that another theory is that the so-called cosmological constant that's been used for decades "actually varies across space." Thanks to long-time Slashdot reader schwit1 for sharing the article.

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A large-screen IMAX documentary about the James Webb Space Telescope "has just opened in 300 theaters across North America," write an anonymous Slashdot reader, noting that it's playing for one week only. "And it gets a rave review in Forbes." Imagine venturing to the beginning of time and space, exploring cosmic landscapes so vast and beautiful that they've remained unseen by human eyes until now. This is the promise of "Deep Sky," an extraordinary IMAX presentation that brings the universe's awe-inspiring mysteries closer than ever before. Directed by the Oscar®-nominated filmmaker Nathaniel Kahn and narrated by the equally acclaimed actress Michelle Williams, "Deep Sky" is a monumental journey through the cosmos, powered by the groundbreaking images captured by NASA's Webb Telescope... "Deep Sky" is more than a documentary about a space telescope; it's an immersive experience that invites audiences to see the universe as never before. Through the power of IMAX, viewers are transported across 13 billion years of cosmic history, to the very edges of the observable universe. Here, in stunning clarity, we witness the birth of stars, the formation of galaxies, and the eerie beauty of exoplanets — planets that orbit stars beyond our own Sun. These images, beamed back to Earth by JWST, reveal the universe's vast beauty on a scale that seems only the giant IMAX screen can begin to convey... What makes "Deep Sky" particularly captivating is its ability to render the incomprehensible beauty and scale of the universe accessible. The IMAX® experience, known for its breathtaking visuals and sound, serves as the perfect medium to convey the majesty of the cosmos. The review says the film celebrates the achieve of thousands of people working across decades, "aiming to answer some of humanity's oldest questions: Where did we come from? How did the universe begin? Are we alone in the vastness of space?" The reviewer also spoke to JWST telescope scientist Matt Mountain — in another article applauding the film for "encapsulating the grandeur of space exploration on the IMAX canvas." In "Deep Sky," viewers are taken on a journey from the telescope's construction to its deployment and early operational phases. The documentary highlights the international collaboration and engineering marvels behind the JWST, featuring insights from key scientists and engineers who brought the telescope to life. The film aims to rekindle a sense of wonder about the universe and our place within it, emphasizing the human desire to explore and understand the cosmos.

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Longtime Slashdot reader garyisabusyguy shares a report from The Debrief: Dr. Charles Buhler, a NASA engineer and the co-founder of Exodus Propulsion Technologies, has revealed that his company's propellantless propulsion drive, which appears to defy the known laws of physics, has produced enough thrust to counteract Earth's gravity. "The most important message to convey to the public is that a major discovery occurred," Buhler told The Debrief. "This discovery of a New Force is fundamental in that electric fields alone can generate a sustainable force onto an object and allow center-of-mass translation of said object without expelling mass." "There are rules that include conservation of energy, but if done correctly, one can generate forces unlike anything humankind has done before," Buhler added. "It will be this force that we will use to propel objects for the next 1,000 years until the next thing comes." To document his team's discovery as well as the process behind their work, which Dr. Buhler cautions is in no way affiliated with NASA or the U.S. Government, the outwardly amiable researcher presented his findings at a recent Alternative Propulsion Energy Conference (APEC). Filled with both highly-credentialed career engineers and propulsion hobbyists, APEC is an organization The Debrief once referred to as the World's Most Exclusive (And Strange) Anti-Gravity Club. In conjunction with that presentation, "The Discovery of Propellantless Propulsion: The Direct Conversion of Electrical Energy into Physical Thrust," Dr. Buhler also sat down with APEC co-founder and moderator Tim Ventura to explain how his past in electrostatics, which is his primary area of expertise, ended up being a key component of his discovery of this new force. [...] Up next, Buhler says his team is seeking funding to test their devices in space to better understand the force at work. "We're hoping to do some demos," said Buhler. "Some space demos. That's what we're trying to get some funding to do. I think that would be a great way to show off the technology." Besides proving once and for all that the force they are seeing is real, the accomplished engineer believes that such tests could encourage other scientists to search for an explanation of what exactly it is they are seeing. "I think it's a good opportunity for people to run these tests, look at them, watch them go in space, watch it move in space, and then say, "what does it imply? What are the implications?'" Until that time, Buhler says he believes his work proves that the force they are seeing is "fundamental" and that understanding it is the next logical step. "You can't deny this," he told Ventura. "There's not a lot to this. You're just charging up Teflon, copper tape, and foam, and you have this thrust." So, while his team believes their experiments speak for themselves, the veteran scientist says he also believes it is the job of science to analyze and understand this discovery. If successful, he thinks it may even address some of the harder questions in science, including the nature of dark energy or even space/time itself. "It's easy to make these things," he said, "so it's a tool for the scientific community to use to try to explore those hard questions." If there are companies or individuals interested in working with Exodus Propulsion Technologies, Buhler asks that they reach out via their LinkedIn page.

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Depuis quelques années, Steam organise toutes sortes d’événements à thème, pour promouvoir certains types de jeux. On a pu voir passer l’horreur ou encore la survie. Mais depuis hier, et jusqu’au 22 avril, ce sont nos chers jeux en vue subjective qui sont à l’honneur dans le Steam FPS Fest. Pour l’occasion, nombre de développeurs ont préparé une démo, une mise à jour, ou tout simplement un nouveau trailer, pour faire parler de leur bébé. Voici une petite sélection des titres qui ont retenu notre attention.

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Les trailers

RetroSpace

Genre : Immersive sim disco

Les développeurs de l’immersive sim RetroSpace, nous proposent un nouveau trailer pour accompagner le festival des FPS. On nous présente tous les avantages du job de Janitor (concièrge), ainsi qu’un sympathique fusil à pompe. L’ambiance a toujours l’air aussi sympa. A priori, toujours aucune date de sortie n’a encore été annoncée. Vous pouvez l’ajouter à votre liste de souhaits depuis sa page Steam.

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Les mises à jour

Vampire Hunters

Genre : Rogue-lite et crowd control

Le rogue-lite en accès anticipé Vampire Hunters, qui reprend les mécaniques de Vampire Survivors en l’adaptant au FPS et qu’on avait bien apprécié, continue son accès anticipé en publiant régulièrement de grosses mises à jour. En l’occurrence, cette fois-ci on a le droit à une nouvelle carte, 19 nouvelles armes et de nouveaux ennemis. Un suivi plutôt exemplaire. Il est actuellement en promo à – 20 %, soit 7,8 €.

Contain

Genre : Coopération horrifique

Après un lancement catastrophique, les développeurs ont promis de revoir leur copie. On ne saurait vous dire si cela suffira, mais au moins, ils font des efforts. Au programme, plein de petites modifications, ajustements et corrections de bugs. Par exemple, on peut maintenant sauter et il y a des améliorations de l’IA. Allez donc voir directement le patch note si ça vous intéresse. Contain, toujours en accès anticipé, est en promo à –50 %, soit un peu moins de 15 €.

Ctrl Alt Ego

Genre : Immersive sim

On triche un peu, car Ctrl Alt Ego ne fait pas partie du festival, et le développeur lui-même indique ne pas être sûr que ce soit un FPS – il est néanmoins en vue subjective. Mais une mise à jour vient de tomber, et on n’en parle pas souvent, alors c’est l’occasion. Pour rappel, c’est un immersive sim dans la plus pure tradition, et il semble conquérir le cœur de tous ceux qui l’ont essayé. Pour cette update, vous aurez accès à un new game +, c’est-à-dire la possibilité de refaire le jeu en conservant les améliorations d’une première run. De petites modifications ont également été apportées. Ctrl Alt Ego bénéficie de 40 % de réduction, ce qui le fait à un peu moins de 12 €.

Soulslinger: Envoy of Death

Genre : Rogue-lite fast-FPS

On triche encore, mais pas de la même manière avec Soulslinger: Envoy of Death, qui lui, fait bien partie de la sélection. Par contre, sa mise à jour date d’il y a quelques jours. Au programme, de nouveaux pouvoirs, mais aussi une nouvelle zone, The Forgotten Graveyard, comprenant de nouveaux ennemis relativement retors et un nouveau boss, The Countess. Ce nouvel environnement est plutôt chouette, mais il propose un challenge beaucoup plus élevé que le reste du jeu. Notez qu’une preview de l’accès anticipé est en cours de rédaction, et qu’une démo est disponible. Soulslinger: Envoy of Death est en promo à –30 %, soit un peu moins de 13 €.

Roboquest

Genre : Rogue-lite avec des robots

Les développeurs français du sympathique Roboquest ont préparé le festival, et ont sorti leur mise à jour pour l’occasion. Voici donc l’Arsenal update, qui apporte fatalement de nouvelles armes. Mais il y a aussi une nouvelle ressource, pour encore plus améliorer vos armes, un stand de tir pour s’entraîner, un nouveau build, et des ajustements. Vous pouvez retrouver la liste complète dans le patch note. Roboquest est en promo à –20 %, soit 20 €. Vous pouvez d’ailleurs tester la démo pour vous faire un avis.

Beyond Sunset

Genre : Rétro-FPS

L’accès anticipé de Beyond Sunset partage un peu. Certains apprécient le simili monde ouvert et le feeling en combat, mais d’autres critiquent la difficulté en dents de scie et le manque de renouvellement des situations. Néanmoins, le développeur ne chôme pas, puisqu’il a ajouté un prélude – qui sert également de démo – et a retravaillé l’IA des ennemis. Les autres modifications sont également listées dans le patch note. Beyond Sunset bénéficie d’une réduction de 14 %, ce qui le fait à moins de 9 €.

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Les démos

Cop Bastard

Genre : Rétro-FPS

Pas grand-chose d’autre à dire de plus que c’est sympa, sans rien révolutionner, et que ça dure 10 minutes. Vous n’avez rien à perdre à le tester.

Fiche Steam

Athanasia

Genre : immersive sim

Très inspiré de Deus Ex et System Shock 2, Athanasia propose un aspect rétro plutôt réussi. Les mécaniques sont connues, mais marchent très bien. Dommage qu’il n’y ait pas trop de feeling avec les armes proposées (un couteau et une arbalète). Il vaut tout de même le coup d’être testé.

Fiche Steam

Selaco

Genre : rétro-FPS

Selaco est sans doute le plus beau rétro-FPS réalisé sous GZDoom, et en plus il cumule tous les bons points : des mouvements très dynamiques, de super sensations de tir, et plein de petits détails qui donnent vie à l’univers. La précédente démo était déjà très bien, et on soupçonne d’ailleurs que c’est toujours la même : l’accès anticipé étant prévu pour le 31 mai, ça nous étonnerait que les développeurs perdent du temps là-dessus. Donc si vous ne l’avez pas encore faite, allez-y les yeux fermés. Pour les autres, refaites-la en attendant la sortie !

Fiche Steam

Echo Point Nova

Genre : Fast-FPS et plateforme

On n’avait pas franchement été convaincus par les précédentes versions de la démo d’Echo Point Nova, développé par l’équipe derrière l’excellent Severed Steel. Les affrontements étaient intéressants, mais la partie plateforme avec de grands passages aériens nous avait un peu refroidis, tout comme la génération procédurale des environnements, franchement limite niveau direction artistique. Cette démo est peut-être meilleure, qui sait ? Le jeu est prévu pour être coopératif, mais pas sûr que ce soit déjà intégré.

Fiche Steam

Tactical Squad: SWAT Stories

Genre : Tactique en coopération

La version Wish de Ready or Not. Il n’y a pas beaucoup plus de choses à dire, parce qu’on ne voit pas vraiment la différence avec les playtests d’il y a plus de six mois. Tactical Squad: SWAT Stories est animé avec le cul et les sensations sont nazes, donc aucune raison de ne pas préférer la référence en la matière.

Fiche Steam

Exfil

Genre : Extraction shooter

Dire qu’Exfil n’est pas folichon est un euphémisme. D’une part, c’est plutôt moche, et d’autre part, le gameplay ne présente vraiment pas grand-chose d’intéressant. C’est une sorte de jeu tactique mollasson, avec des mouvements très loin des standards actuels, même chez d’autres petites équipes d’indépendants. Il n’y a quasiment aucun feeling et on a l’impression que tout provient d’un magasin d’assets. D’autres parviennent à faire beaucoup mieux avec le même matériau. Le mode de jeu en quatre équipes de cinq joueurs n’est pas non plus très original. En bref, pour l’instant, on n’en voit vraiment pas l’intérêt.

Fiche Steam

Pine Harbor

Genre : Horreur

La dernière fois qu’on parlait de Pine Harbor, c’était dans le dossier des démos nulles du Steam Néo Fest d’octobre 2023. On disait que c’était « un jeu d’horreur décevant, avec des armes en mousse et des monstres ridicules ». Cette nouvelle démo est un peu mieux : les armes sont enfin efficaces et offrent des sensations correctes. Les ennemis semblent également moins ridicules. Est-ce toujours décevant ? À vous de voir.

Fiche Steam

Beyond Hanwell

Genre : Horreur

Un jeu d’horreur classique avec une direction artistique très jolie. On visite une sorte d’hôpital peuplé de créatures horribles. Estyaah a absolument détesté la démo de Beyond Hanwell, preuve que le jeu est sans doute réussi pour son genre. Apparemment, il y a des armes, mais on n’est pas allé jusque-là. Par contre, il est vraiment optimisé avec le cul.

Fiche Steam

Blood Rush

Genre : Rétro-FPS Rogue-lite

L’un des principaux problèmes lorsque l’on développe un jeu en solo, c’est qu’il est souvent difficile d’en faire la publicité, même lors d’événements dédiés. Pour Blood Rush, l’unique développeur – français – nous a contacté par mail pour nous parler de son rétro-FPS rogue-lite, qu’il compare à ULTRAKILL dans ses mécaniques. Niveau esthétique, c’est assez épuré, mais la direction artistique tient la route. Côté gameplay, c’est assez réussi, même si les armes à feu auraient besoin d’être retravaillées. Il leur manque une sacrée dose de recul, et sans doute aussi des animations de rechargement pour donner de meilleures sensations. Mais tous les espoirs sont permis, le jeu est encore en cours de développement.

Fiche Steam

Versus Dev

Genre : Mélange des genres

Cela fait plusieurs mois que le développeur de Versus Dev discute avec les nofragés sur le forum de NoFrag. Après une session de tests pendant lesquels nous avions pu lui faire des retours, il a décidé de publier une démo pour élargir le panel de joueurs et obtenir plus de feedback. Comme pour son copain Blood Rush, le plus dur, c’est de se faire connaître. D’autant plus quand on est également tout seul pour développer, et qu’on a du mal à le catégoriser. Le but ici est de faire ressentir une évolution dans le jeu – dans lequel on est censé affronter le développeur –, en commençant par un gameplay plutôt lent, proche d’un Resident Evil, pour terminer avec de l’action frénétique à la Serious Sam. C’est très intrigant, mais ça marche plutôt bien souris en main. Il y a quelques énigmes relativement corsées, les sensations de tir sont bonnes, la direction artistique est plutôt chouette… On a envie de continuer, donc le principal est là !

Fiche Steam

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Voilà pour notre petite sélection. Évidemment, il y en a des centaines d’autres, que vous pouvez trouver ici. N’hésitez pas à nous dire ce que vous avez vu d’intéressant en commentaires !

Et on ne va pas les détailler, mais de nombreux jeux déjà sortis depuis un moment proposent des promos, comme Arma 3, Hunt Showdown, ou encore Zombaliens.

Merci à Azultain d’avoir déniché quelques FPS intéressants, après avoir fouillé dans les recoins les plus sombres du Steam FPS Fest.

Les photos d'éclipse sont désormais monnaie courante. Plus rares en revanche sont les clichés montrant, depuis l'espace, les effets de ce phénomène, avec l'ombre de la Lune sur la Terre. C'est un Français, Jean-Pierre Haigneré, qui est crédité comme le premier à avoir capturé en photo cet évènement. C'était en 1999.

À quelques dizaines de kilomètres d'altitude, l'atmosphère accueille parfois des ballons stratosphériques. Véritables laboratoires, ils sont des vigies essentielles pour les scientifiques étudiant le changement climatique, note cet article de The Conversation.

Andrew Jones reports via IEEE Spectrum: The European Space Agency will launch a mission late this year to demonstrate precision formation flying in orbit to create artificial solar eclipses. In a press conference last week, the agency announced details of the mission and the technology the orbiters will use to pull off its exquisitely-choreographed maneuvers. ESA's Proba-3 (PRoject for On-Board Autonomy) consists of a pair of spacecraft: a 300-kilogram Coronagraph spacecraft and a 250-kilogram Occulter. The pair are now slated to launch on an Indian PSLV rocket in September and ultimately enter a highly elliptical, 600-by-60,530-kilometer orbit. The aim, the agency says, is to move the separate spacecraft to some 144 meters apart, with the Occulter, as a disc, blocking out the sun. Achieving this formation will allow the Coronagraph to study our star's highly ionized, extremely hot atmosphere -- but also demonstrate the technology as a precursor for more ambitious, future, formation-flying endeavors. [...] ESA has science objectives for Proba-3, using observations made in space to study solar astrophysics without any intervention of the Earth's atmosphere. The agency's Association of Spacecraft for Polarimetric and Imaging Investigation of the Corona of the Sun (ASPIICS) coronagraph will help to discern why the solar corona is significantly hotter than the Sun itself. This could further our understanding of the Sun and assist solar weather predictions. However, it is the precision formation flying that Proba-3 aims to demonstrate which could help unlock future breakthroughs. [...] Precisely-controlled Occulter spacecraft could be used with space telescopes to block light from a star in order to directly detect potential orbiting planets, while a constellation of spacecraft can, through interferometry, create large-scale observatories, achieving large apertures and long focal lengths than possible with large solo satellites. Further applications include Earth observation, space-based gravitational wave detection, and a range of missions in which two or more spacecraft need to interact, such as rendezvous, docking, and in-orbit servicing.

Read more of this story at Slashdot.