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By TREVOR HOGG Denis Villeneuve (Dune: Part Two) finds the difficulty of working with visual effects are sometimes the intermediaries between him and the artists and therefore the need to be precise with directions to keep things on track. (Image courtesy of Warner Bros. Pictures) If post-production has any chance of going smoothly, there must be a solid on-set relationship between the director, cinematographer and visual effects supervisor. “It’s my job to have a vision and to bring it to the screen,” notes Denis Villeneuve, director of Dune: Part Two. “That’s why working with visual effects requires a lot of discipline. It’s not like you work with a keyboard and can change your mind all the time. When I work with a camera, I commit to a mise-en-scène. I’m trying to take the risk, move forward in one direction and enhance it with visual effects. I push it until it looks perfect. It takes a tremendous amount of time and preparation. [VFX Supervisor] Paul Lambert is a perfectionist, and I love that about him. We will never put a shot on the screen that we don’t feel has a certain level of quality. It needs to look as real as the face of my actor.” A legendary cinematographer had a significant influence on how Villeneuve approaches digital augmentation. “Someone I have learned a lot from about visual effects is [Cinematographer] Roger Deakins. I remember that at the beginning, when I was doing Blade Runner 2049, some artwork was not defined enough, and I was like, ‘I will correct that later.’ Roger said, ‘No. Don’t do that. You have to make sure right at the start.’ I’ve learned the hard way that you need to be as precise as you can, otherwise it goes in a lot of directions.” Motion capture is visually jarring because your eye is always drawn to the performer in the mocap suit, but it worked out well on Better Man because the same thing happens when he gets replaced by a CG monkey. (Image courtesy of Paramount Pictures) Visual effects enabled the atmospherics on Wolfs to be art directed, which is not always possible with practical snow. (Image courtesy of Apple Studios) One of the most complex musical numbers in Better Man is “Rock DJ,” which required LiDAR scans of Regent Street and doing full 3D motion capture with the dancers dancing down the whole length of the street to work out how best to shoot it. (Image courtesy of Paramount Pictures) Cinematographer Dan Mindel favors on-set practical effects because the reactions from the cast come across as being more genuine, which was the case for Twisters. (Image courtesy of Universal Pictures) Storyboards are an essential part of the planning process. “When I finish a screenplay, the first thing I do is to storyboard, not just to define the visual element of the movie, but also to rewrite the movie through images,” Villeneuve explains. “Those storyboards inform my crew about the design, costumes, accessories and vehicles, and [they] create a visual inner rhythm of the film. This is the first step towards visual effects where there will be a conversation that will start from the boards. That will be translated into previs to help the animators know where we are going because the movie has to be made in a certain timeframe and needs choreography to make sure everybody is moving in the same direction.” The approach towards filmmaking has not changed over the years. “You have a camera and a couple of actors in front of you, and it’s about finding the right angle; the rest is noise. I try to protect the intimacy around the camera as much as possible and focus on that because if you don’t believe the actor, then you won’t believe anything.” Before transforming singer Robbie Williams into a CG primate, Michael Gracey started as a visual effects artist. “I feel so fortu- nate to have come from a visual effects background early on in my career,” recalls Michael Gracey, director of Better Man. “I would sit down and do all the post myself because I didn’t trust anyone to care as much as I did. Fortunately, over the years I’ve met people who do. It’s a huge part of how I even scrapbook ideas together. Early on, I was constantly throwing stuff up in Flame, doing a video test and asking, ‘Is this going to work?’ Jumping into 3D was something I felt comfortable doing. I’ve been able to plan out or previs ideas. It’s an amazing tool to be armed with if you are a director and have big ideas and you’re trying to convey them to a lot of people.” Previs was pivotal in getting Better Man financed. “Off the page, people were like, ‘Is this monkey even going to work?’ Then they were worried that it wouldn’t work in a musical number. We showed them the previs for Feel, the first musical number, and My Way at the end of the film. I would say, ‘If you get any kind of emotion watching these musical numbers, just imagine what it’s going to be like when it’s filmed and is photoreal.” Several shots had to be stitched together to create a ‘oner’ that features numerous costume changes and 500 dancers. “For Rock DJ, we were doing LiDAR scans of Regent Street and full 3D motion capture with the dancers dancing down the whole length of the street to work out all of the transition points and how best to shoot it,” Gracey states. “That process involved Erik Wilson, the Cinematographer; Luke Millar, the Visual Effects Supervisor; Ashley Wallen, the Choreographer; and Patrick Correll, Co-Producer. Patrick would sit on set and, in DaVinci Resolve, take the feed from the camera and check every take against the blueprint that we had already previs.” Motion capture is visually jarring to shoot. “Everything that is in-camera looks perfect, then a guy walks in wearing a mocap suit and your eye zooms onto him. But the truth is, your eye does that the moment you replace him with a monkey as well. It worked out quite well because that idea is true to what it is to be famous. A famous person walks into the room and your eye immediately goes to them.” Digital effects have had a significant impact on a particular area of filmmaking. “Physical effects were a much higher art form than it is now, or it was allowed to be then than it is now,” notes Dan Mindel, Cinematographer on Twisters. “People will decline a real pyrotechnic explosion and do a digital one. But you get a much bigger reaction when there’s actual noise and flash.” It is all about collaboration. Mindel explains, “The principle that I work with is that the visual effects department will make us look great, and we have to give them the raw materials in the best possible form so they can work with it instinctually. Sometimes, as a DP, you might want to do something different, but the bottom line is, you’ve got to listen to these guys, because they know what they want. It gets a bit dogmatic, but most of the time, my relationship with visual effects is good, and especially the guys who have had a foot in the analog world at one point or another and have transitioned into the digital world. When we made Twister, it was an analog movie with digital effects, and it worked great. That’s because everyone on set doing the technical work understood both formats, and we were able to use them well.” Digital filmmaking has caused a generational gap. “The younger directors don’t think holistically,” Mindel notes. “It’s much more post-driven because they want to manipulate on the Avid or whatever platform it is going to be. What has happened is that the overreaching nature of these tools has left very little to the imagination. A movie that is heavy visual effects is mostly conceptualized on paper using computer-generated graphics and color; that insidiously sneaks into the look and feel of the movie before you know it. You see concept art blasted all over production offices. People could get used to looking at those images, and before you know it, that’s how the movie looks. That’s a very dangerous place to be, not to have the imagination to work around an issue that perhaps doesn’t manifest itself until you’re shooting.” There has to be a sense of purpose. Mindel remarks, “The ability to shoot in a way that doesn’t allow any manipulation in post is the only way to guarantee that there’s just one direction the look can go in. But that could be a little dangerous for some people. Generally, the crowd I’m working with is part of a team, and there’s little thought of taking the movie to a different place than what was shot. I work in the DI with the visual effects supervisor, and we look at our work together so we’re all in agreement that it fits into the movie.” “All of the advances in technology are a push for greater control,” notes Larkin Seiple, Cinematographer on Everything Everywhere All at Once. “There are still a lot of things that we do with visual effects that we could do practically, but a lot of times it’s more efficient, or we have more attempts at it later in post, than if we had tried to do it practically. I find today, there’s still a debate about what we do on set and what we do later digitally. Many directors have been trying to do more on set, and the best visual effects supervisors I work with push to do everything in-camera as much as possible to make it as realistic as possible.” Storytelling is about figuring out where to invest your time and effort. Seiple states, “I like the adventure of filmmaking. I prefer to go to a mountain top and shoot some of the scenes, get there and be inspired, as opposed to recreate it. Now, if it’s a five-second cutaway, I don’t want production to go to a mountain top and do that. For car work, we’ll shoot the real streets, figure out the time of day and even light the plates for it. Then, I’ll project those on LED walls with actors in a car on a stage. I love doing that because then I get to control how that looks.” Visual effects have freed Fallout Cinematographer Stuart Dryburgh to shoot quicker and in places that in the past would have been deemed imperfect because of power lines, out-of-period buildings or the sky. (Image courtesy of Prime Video) Visual effects assist in achieving the desired atmospherics. Seiple says, “On Wolfs, we tried to bring in our own snow for every scene. We would shoot one take, the snow would blow left, and the next take would blow right. Janek Sirrs is probably the best visual effects supervisor I’ve worked with, and he was like, ‘Please turn off the snow. It’ll be a nightmare trying to remove the snow from all these shots then add our own snow back for continuity because you can’t have the snow changing direction every other cut.’ Or we’d have to ‘snow’ a street, which would take ages. Janek would say, ‘Let’s put enough snow on the ground to see the lighting on it and where the actors walk. We’ll do the rest of the street later because we have a perfect reference of what it should look like.” Certain photographic principles have to be carried over into post-production to make shots believable to the eye. Seiple explains, “When you make all these amazing details that should be out of focus sharper, then the image feels like a visual effect because it doesn’t work the way a lens would work.” Familiarity with the visual effects process is an asset in being able to achieve the best result. “I inadvertently come from a lot of visual effect-heavy shoots and shows, so I’m quick to have an opinion about it. Many directors love to reference the way David Fincher uses visual effects because there is such great behind-the-scenes imagery that showcases how they were able to do simple things. Also, I like to shoot tests even on an iPhone to see if this comp will work or if this idea is a good one.” Cinematographer Fabian Wagner and VFX Supervisor John Moffatt spent a lot of time in pre-production for Venom: The Last Dance discussing how to bring out the texture of the symbiote through lighting and camera angles. (Image courtesy of Columbia Pictures) Game of Thrones Director of Photography Fabian Wagner had to make key decisions while prepping and breaking down the script so visual effects had enough time to meet deadline. (Image courtesy of HBO) Twisters was an analog movie with digital effects that worked well because everyone on set doing the technical work understood both formats. (Image courtesy of Universal Pictures) For Cinematographer Larkin Seiple, storytelling is about figuring out where to invest your time and effort. Scene from the Netflix series Beef. (Image courtesy of Netflix) Cinematographer Larkin Seiple believes that all of the advances in technology are a push for greater control, which occurred on Everything Everywhere All at Once. (Image courtesy of A24) Nothing beats reality when it comes to realism. “Every project I do I talk more about the real elements to bring into the shoot than the visual effect element because the more practical stuff that you can do on set, the more it will embed the visual effects into the image, and, therefore, they’re more real,” observes Fabian Wagner, Cinematographer on Venom: The Last Dance. “It also depends on the job you’re doing in terms of how real or unreal you want it to be. Game of Thrones was a good example because it was a visual effects-heavy show, but they were keen on pushing the reality of things as much as possible. We were doing interactive lighting and practical on-set things to embed the visual effects. It was successful.” Television has a significantly compressed schedule compared to feature films. “There are fewer times to iterate. You have to be much more precise. On Game of Thrones, we knew that certain decisions had to be made early on while we were still prepping and breaking down the script. Because of their due dates, to be ready in time, they had to start the visual effects process for certain dragon scenes months before we even started shooting.” “Like everything else, it’s always about communication,” Wagner notes. “I’ve been fortunate to work with extremely talented and collaborative visual effects supervisors, visual effects producers and directors. I have become friends with most of those visual effects departments throughout the shoot, so it’s easy to stay in touch. Even when Venom: The Last Dance was posting, I would be talking to John Moffatt, who was our talented visual effects supervisor. We would exchange emails, text messages or phone calls once a week, and he would send me updates, which we would talk about it. If I gave any notes or thoughts, John would listen, and if it were possible to do anything about, he would. In the end, it’s about those personal relationships, and if you have those, that can go a long way.” Wagner has had to deal with dragons, superheroes and symbiotes. “They’re all the same to me! For the symbiote, we had two previous films to see what they had done, where they had succeeded and where we could improve it slightly. While prepping, John and I spent a lot of time talking about how to bring out the texture of the symbiote and help it with the lighting and camera angles. One of the earliest tests was to see what would happen if we backlit or side lit it as well as trying different textures for reflections. We came up with something we all were happy with, and that’s what we did on set. It was down to trying to speak the same language and aiming for the same thing, which in this case was, ‘How could we make the symbiote look the coolest?’” Visual effects has become a crucial department throughout the filmmaking process. “The relationship with the visual effects supervisor is new,” states Stuart Dryburgh, Cinematographer on Fallout. “We didn’t really have that. On The Piano, the extent of the visual effects was having somebody scribbling in a lightning strike over a stormy sky and a little flash of an animated puppet. Runaway Bride had a two-camera setup where one of the cameras pushed into the frame, and that was digitally removed, but we weren’t using it the way we’re using it now. For [the 2026 Netflix limited series] East of Eden, we’re recreating 19th and early 20th century Connecticut, Boston and Salinas, California in New Zealand. While we have some great sets built and historical buildings that we can use, there is a lot of set extension and modification, and some complete bluescreen scenes, which allow us to more realistically portray a historical environment than we could have done back in the day.” The presence of a visual effects supervisor simplified principal photography. Dryburgh adds, “In many ways, using visual effects frees you to shoot quicker and in places that might otherwise be deemed imperfect because of one little thing, whether it’s power lines or out-of-period buildings or sky. All of those can be easily fixed. Most of us have been doing it for long enough that we have a good idea of what can and can’t be done and how it’s done so that the visual effects supervisor isn’t the arbiter.” Lighting cannot be arbitrarily altered in post as it never looks right. “Whether you set the lighting on the set and the background artist has to match that, or you have an existing background and you, as a DP, have to match that – that is the lighting trick to the whole thing,” Dryburgh observes. “Everything has to be the same, a soft or hard light, the direction and color. Those things all need to line up in a composited shot; that is crucial.” Every director has his or her own approach to filmmaking. “Harold Ramis told me, ‘I’ll deal with the acting and the words. You just make it look nice, alright?’ That’s the conversation we had about shots, and it worked out well. [Director] Garth Davis, who I’m working with now, is a terrific photographer in his own right and has a great visual sense, so he’s much more involved in anything visual, whether it be the designs of the sets, creation of the visual effects, my lighting or choice of lenses. It becomes much more collaborative. And that applies to the visual effects department as well.” Recreating vintage lenses digitally is an important part of the visual aesthetic. “As digital photography has become crisper, better and sharper, people have chosen to use fewer perfect optics, such as lenses that are softer on the edges or give a flare characteristic. Before production, we have the camera department shoot all of these lens grids of different packages and ranges, and visual effects takes that information so they can model every lens. If they’re doing a fully CG background, they can apply that lens characteristic,” remarks Dryburgh. Television schedules for productions like House of the Dragon do not allow a lot of time to iterate, so decisions have to be precise. (Image courtesy of HBO) Bluescreen and stunt doubles on Twisters. (Image courtesy of Universal Pictures) “The principle that I work with is that the visual effects department will make us look great, and we have to give them the raw materials in the best possible form so they can work with it instinctually. Sometimes, as a DP, you might want to do something different, but the bottom line is, you’ve got to listen to these guys because they know what they want. It gets a bit dogmatic, but most of the time, my relationship with visual effects is good, and especially the guys who have had a foot in the analog world at one point or another and have transitioned into the digital world.” —Dan Mindel, Cinematographer, Twisters Cinematographers like Greig Fraser have adopted Unreal Engine. “Greig has an incredible curiosity about new technology, and that helped us specifically with Dune: Part Two,” Villeneuve explains. “Greig was using Unreal Engine to capture natural environments. For example, if we decide to shoot in that specific rocky area, we’ll capture the whole area with drones to recreate the terrain in the computer. If I said, ‘I want to shoot in that valley on November 3rd and have the sun behind the actors. At what time is it? You have to be there at 9:45 am.’ We built the whole schedule like a puzzle to maximize the power of natural light, but that came through those studies, which were made with the software usually used for video games.” Technology is essentially a tool that keeps evolving. Villeneuve adds, “Sometimes, I don’t know if I feel like a dinosaur or if my last movie will be done in this house behind the computer alone. It would be much less tiring to do that, but seriously, the beauty of cinema is the idea of bringing many artists together to create poetry.”

Ballerina director Len Wiseman has revealed why one specific action sequence was such a challenge to shoot.

06/05 — 2025 by abduzeedo Explore the vibrant branding and visual identity of Leiria Film Fest 2025, designed for broad appeal and lasting impact. The 12th edition of the Leiria Film Fest, held from May 19-25, 2025, presented an opportunity for a compelling visual refresh. Paulo Graça, known as Senhor Paulinho, embraced a design philosophy that is both vibrant and inclusive, setting a new standard for film festival branding and visual identity. His work reflects cinema's power to captivate audiences across generations. This approach moves beyond simple promotion. It seeks to forge an emotional connection, celebrating cinema's universal appeal. Senhor Paulinho's graphic concept uses an illustrative, almost "naive" aesthetic. This choice relies on simple shapes and hand-drawn lines. These elements evoke the spontaneity seen in children's drawings. They also recall the classic texture of film stock. This handcrafted feel bridges the gap between creating art and imagining stories. These two acts are central to both filmmaking and drawing. Such a visual identity extends beyond mere aesthetics. It serves a deeper symbolic purpose: inviting all ages into the cinematic experience. It creates an accessible and emotionally resonant graphic universe, paying tribute to projection, the moving image, and cinema's visual memory. The visual elements were designed for versatility. They scale across various platforms without losing impact. From printed materials like posters and programs to digital banners, festival merchandise, and venue signage, the branding remains cohesive. This adaptability ensures a strong visual identity throughout all communication stages. The imagery, featuring bold eyes and abstract film-like motifs, resonates with the festival's focus on competitive and special sessions, children's events, and even an after-party. This comprehensive branding and visual identity strategy aims to do more than simply advertise an event. It aims to spark curiosity and foster emotional engagement. It celebrates cinema's enduring ability to unite, inspire, and ignite imagination. The design extends an open invitation, welcoming everyone to a shared cultural experience that is both joyful and profound. It reinforces the festival's commitment to community and the arts. The success of the Leiria Film Fest's visual identity lies in its ability to communicate warmth and accessibility while maintaining a sophisticated design language. It is a testament to how thoughtful branding can elevate an event, making it more memorable and inviting. This project provides a valuable case study for designers seeking to create impactful and inclusive visual narratives. Graphic Design by Paulo Graça a.k.a. Senhor Paulinho. Visit his work at https://paulograca.com/en/projects/leiria-film-fest-2025. Branding and visual identity artifacts  Tags branding

By CHRIS McGOWAN This image of Jupiter from NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) shows stunning details of the majestic planet in infrared light. (Image courtesy of NASA, ESA and CSA) Special effects have been used for decades to depict space exploration, from visits to planets and moons to zero gravity and spaceships – one need only think of the landmark 2001: A Space Odyssey (1968). Since that era, visual effects have increasingly grown in realism and importance. VFX have been used for entertainment and for scientific purposes, outreach to the public and astronaut training in virtual reality. Compelling images and videos can bring data to life. NASA’s Scientific Visualization Studio (SVS) produces visualizations, animations and images to help scientists tell stories of their research and make science more approachable and engaging. A.J. Christensen is a senior visualization designer for the NASA Scientific Visualization Studio (SVS) at the Goddard Space Flight Center in Greenbelt, Maryland. There, he develops data visualization techniques and designs data-driven imagery for scientific analysis and public outreach using Hollywood visual effects tools, according to NASA. SVS visualizations feature datasets from Earth-and space-based instrumentation, scientific supercomputer models and physical statistical distributions that have been analyzed and processed by computational scientists. Christensen’s specialties include working with 3D volumetric data, using the procedural cinematic software Houdini and science topics in Heliophysics, Geophysics and Astrophysics. He previously worked at the National Center for Supercomputing Applications’ Advanced Visualization Lab where he worked on more than a dozen science documentary full-dome films as well as the IMAX films Hubble 3D and A Beautiful Planet – and he worked at DNEG on the movie Interstellar, which won the 2015 Best Visual Effects Academy Award. This global map of CO2 was created by NASA’s Scientific Visualization Studio using a model called GEOS, short for the Goddard Earth Observing System. GEOS is a high-resolution weather reanalysis model, powered by supercomputers, that is used to represent what was happening in the atmosphere. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) “The NASA Scientific Visualization Studio operates like a small VFX studio that creates animations of scientific data that has been collected or analyzed at NASA. We are one of several groups at NASA that create imagery for public consumption, but we are also a part of the scientific research process, helping scientists understand and share their data through pictures and video.” —A.J. Christensen, Senior Visualization Designer, NASA Scientific Visualization Studio (SVS) About his work at NASA SVS, Christensen comments, “The NASA Scientific Visualization Studio operates like a small VFX studio that creates animations of scientific data that has been collected or analyzed at NASA. We are one of several groups at NASA that create imagery for public consumption, but we are also a part of the scientific research process, helping scientists understand and share their data through pictures and video. This past year we were part of NASA’s total eclipse outreach efforts, we participated in all the major earth science and astronomy conferences, we launched a public exhibition at the Smithsonian Museum of Natural History called the Earth Information Center, and we posted hundreds of new visualizations to our publicly accessible website: svs.gsfc.nasa.gov.” This is the ‘beauty shot version’ of Perpetual Ocean 2: Western Boundary Currents. The visualization starts with a rotating globe showing ocean currents. The colors used to color the flow in this version were chosen to provide a pleasing look. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) The Gulf Stream and connected currents. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) Venus, our nearby “sister” planet, beckons today as a compelling target for exploration that may connect the objects in our own solar system to those discovered around nearby stars. (Image courtesy of NASA’s Goddard Space Flight Center) WORKING WITH DATA While Christensen is interpreting the data from active spacecraft and making it usable in different forms, such as for science and outreach, he notes, “It’s not just spacecraft that collect data. NASA maintains or monitors instruments on Earth too – on land, in the oceans and in the air. And to be precise, there are robots wandering around Mars that are collecting data, too.” He continues, “Sometimes the data comes to our team as raw telescope imagery, sometimes we get it as a data product that a scientist has already analyzed and extracted meaning from, and sometimes various sensor data is used to drive computational models and we work with the models’ resulting output.” Jupiter’s moon Europa may have life in a vast ocean beneath its icy surface. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) HOUDINI AND OTHER TOOLS “Data visualization means a lot of different things to different people, but many people on our team interpret it as a form of filmmaking,” Christensen says. “We are very inspired by the approach to visual storytelling that Hollywood uses, and we use tools that are standard for Hollywood VFX. Many professionals in our area – the visualization of 3D scientific data – were previously using other animation tools but have discovered that Houdini is the most capable of understanding and manipulating unusual data, so there has been major movement toward Houdini over the past decade.” Satellite imagery from NASA’s Solar Dynamics Observatory (SDO) shows the Sun in ultraviolet light colorized in light brown. Seen in ultraviolet light, the dark patches on the Sun are known as coronal holes and are regions where fast solar wind gushes out into space. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) Christensen explains, “We have always worked with scientific software as well – sometimes there’s only one software tool in existence to interpret a particular kind of scientific data. More often than not, scientific software does not have a GUI, so we’ve had to become proficient at learning new coding environments very quickly. IDL and Python are the generic data manipulation environments we use when something is too complicated or oversized for Houdini, but there are lots of alternatives out there. Typically, we use these tools to get the data into a format that Houdini can interpret, and then we use Houdini to do our shading, lighting and camera design, and seamlessly blend different datasets together.” While cruising around Saturn in early October 2004, Cassini captured a series of images that have been composed into this large global natural color view of Saturn and its rings. This grand mosaic consists of 126 images acquired in a tile-like fashion, covering one end of Saturn’s rings to the other and the entire planet in between. (Image courtesy of ASA/JPL/Space Science Institute) The black hole Gargantua and the surrounding accretion disc from the 2014 movie Interstellar. (Image courtesy of DNEG and Paramount Pictures) Another visualization of the black hole Gargantua. (Image courtesy of DNEG and Paramount Pictures) INTERSTELLAR & GARGANTUA Christensen recalls working for DNEG on Interstellar (2014). “When I first started at DNEG, they asked me to work on the giant waves on Miller’s ocean planet [in the film]. About a week in, my manager took me into the hall and said, ‘I was looking at your reel and saw all this astronomy stuff. We’re working on another sequence with an accretion disk around a black hole that I’m wondering if we should put you on.’ And I said, ‘Oh yeah, I’ve done lots of accretion disks.’ So, for the rest of my time on the show, I was working on the black hole team.” He adds, “There are a lot of people in my community that would be hesitant to label any big-budget movie sequence as a scientific visualization. The typical assumption is that for a Hollywood movie, no one cares about accuracy as long as it looks good. Guardians of the Galaxy makes it seem like space is positively littered with nebulae, and Star Wars makes it seem like asteroids travel in herds. But the black hole Gargantua in Interstellar is a good case for being called a visualization. The imagery you see in the movie is the direct result of a collaboration with an expert scientist, Dr. Kip Thorne, working with the DNEG research team using the actual Einstein equations that describe the gravity around a black hole.” Thorne is a Nobel Prize-winning theoretical physicist who taught at Caltech for many years. He has reached wide audiences with his books and presentations on black holes, time travel and wormholes on PBS and BBC shows. Christensen comments, “You can make the argument that some of the complexity around what a black hole actually looks like was discarded for the film, and they admit as much in the research paper that was published after the movie came out. But our team at NASA does that same thing. There is no such thing as an objectively ‘true’ scientific image – you always have to make aesthetic decisions around whether the image tells the science story, and often it makes more sense to omit information to clarify what’s important. Ultimately, Gargantua taught a whole lot of people something new about science, and that’s what a good scientific visualization aims to do.” The SVS produces an annual visualization of the Moon’s phase and libration comprising 8,760 hourly renderings of its precise size, orientation and illumination. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) FURTHER CHALLENGES The sheer size of the data often encountered by Christensen and his peers is a challenge. “I’m currently working with a dataset that is 400GB per timestep. It’s so big that I don’t even want to move it from one file server to another. So, then I have to make decisions about which data attributes to keep and which to discard, whether there’s a region of the data that I can cull or downsample, and I have to experiment with data compression schemes that might require me to entirely re-design the pipeline I’m using for Houdini. Of course, if I get rid of too much information, it becomes very resource-intensive to recompute everything, but if I don’t get rid of enough, then my design process becomes agonizingly slow.” SVS also works closely with its NASA partner groups Conceptual Image Lab (CIL) and Goddard Media Studios (GMS) to publish a diverse array of content. Conceptual Image Lab focuses more on the artistic side of things – producing high-fidelity renders using film animation and visual design techniques, according to NASA. Where the SVS primarily focuses on making data-based visualizations, CIL puts more emphasis on conceptual visualizations – producing animations featuring NASA spacecraft, planetary observations and simulations, according to NASA. Goddard Media Studios, on the other hand, is more focused towards public outreach – producing interviews, TV programs and documentaries. GMS continues to be the main producers behind NASA TV, and as such, much of their content is aimed towards the general public. An impact crater on the moon. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) Image of Mars showing a partly shadowed Olympus Mons toward the upper left of the image. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) Mars. Hellas Basin can be seen in the lower right portion of the image. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) Mars slightly tilted to show the Martian North Pole. (Image courtesy of NASA/Goddard Space Flight Center Scientific Visualization Studio) Christensen notes, “One of the more unique challenges in this field is one of bringing people from very different backgrounds to agree on a common outcome. I work on teams with scientists, communicators and technologists, and we all have different communities we’re trying to satisfy. For instance, communicators are generally trying to simplify animations so their learning goal is clear, but scientists will insist that we add text and annotations on top of the video to eliminate ambiguity and avoid misinterpretations. Often, the technologist will have to say we can’t zoom in or look at the data in a certain way because it will show the data boundaries or data resolution limits. Every shot is a negotiation, but in trying to compromise, we often push the boundaries of what has been done before, which is exciting.”

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Even if you don't want to dive in and create AI videos using the latest Veo 3 model released by Google, you can sit back and marvel at (or be petrified by) the work of others: Flow TV is a new lean-back experience that lets you click through a seemingly endless carousel of AI-generated clips.Unlike the Flow video creator that is needed to create these videos, you don't need to pay Google a subscription fee to use Flow TV, and you don't even need to be signed into a Google account. It's a showcase for the best AI clips produced by Veo, though for now, it's limited to the older Veo 2 model rather than Veo 3.Google hasn't said much about the creators behind the videos in Flow TV, but it is described as an "ever-growing showcase" of videos, so presumably there are new clips being added regularly behind the scenes—and eventually we might see Veo 3 clips mixed in, the kind of clips that have already been fooling people online.Ready to take a break from content made by flesh and blood humans and see what AI is currently cooking up? Point your browser towards the Flow TV channel list.Channel hopping Flow TV gives you multiple channels to choose from. Credit: Lifehacker The channel list gives you some idea of what's available on Flow TV: We've got channels like Window Seat (views from train carriages), Unnatural (nature with an AI twist), and Zoo Break (animal adventures). Some of these play to the strengths of AI video, including It's All Yarn (self-explanatory) and Dream Factory (general weirdness).And do expect to be freaked out pretty regularly, by the way: Flow TV is not ideal if you're easily unsettled or unnerved, because these clips move quickly, and feature content that goes way beyond the norm. I didn't come across anything really shocking or disturbing, but this is AI—and Flow TV doesn't particularly focus on realism.There's also a Shuffle All option in addition to the individual channels, and whichever route you pick through the clips, there's a lot to watch—I wasn't able to get to the end of it all. You can also switch to the Short Films tab at the top of the channel list to see three longer pieces of work made by acknowledged creators.Whichever route you take through this content, you get playback controls underneath the current clip: Controls for pausing playback, jumping forwards and backwards between clips, looping videos, and switching to full screen mode. What you can't do, however, is skip forwards or backwards through a clip, YouTube-style.To the right of the control panel you can switch between seeing one video at a time, and seeing a whole grid of options, and further to the right you've got a channel switcher. Click the TV icon to the left of the control panel to see all the available channels again, and the Flow TV button in the top-left corner to jump to something random. There's also a search box up at the top to help you look for something specific.Prompt engineering Expect the unexpected from AI video. Credit: Lifehacker While you're watching the videos, you'll see a Show Prompt toggle switch underneath each clip. Turn this switch on to see the prompt used to make the video you're watching, together with the AI model deployed (which is always Veo 2, at least for now). It's an interesting look behind the scenes at how each clip was made.Here's an example one: "First person view. Follow me into through this secret door into my magic world. Documentary. Soft natural light. 90s." As you can see, Veo just lets you throw in whatever ideas or camera directions or style guidelines come to mind, without worrying too much about formal structure (or grammar).Revealing the prompts lets you see what the AI got right and what it didn't, and how the models interpret different instructions. Of course, it always makes the most generic picks from prompts, based on whatever dominates its training data: Generic swans, generic buses, generic cars, generic people, generic camera angles and movements. If you need something out of the ordinary from AI video, you need to ask for it specifically.Look closer, and the usual telltale signs of AI generation are here, from the way most clips use a similar pacing, scene length, and shot construction, to the weird physics that are constantly confusing (and are sometimes deliberately used for effect). AI video is getting better fast, but it's a much more difficult challenge than text or images represent.For now, Flow TV is a diverting demo gallery of where AI video is at: what it does well and where it still falls short. On this occasion, I'll leave aside the issues of how much energy was used to generate all of these clips, or what kinds of videos the Veo models might have been trained on, but it might be worth bookmarking the Flow TV channel directory if you want to stay up to speed with the state of AI filmmaking.