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I created my own custom water material and underwater post process material in UEFN! It uses distance fields to create foam and ripples around objects on the surface and I can also add algae/pondscum to the surface. I plan on adding more features to this material soon! For underwater,... show more

PixelatedDreams 🍔

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14,020 Aufrufe • vor 11 Monaten •via X (Twitter)

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I experimented with adding automatic beaches and snow coverage to my landscape material! There's no paint on the landscape at all, it's all handled in the material #UEFN #Fortnite

I experimented with adding automatic beaches and snow coverage to my landscape material! There's no paint on the landscape at all, it's all handled in the material #UEFN #Fortnite

PixelatedDreams 🍔

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Here's a progress update on my recreation of the Simpsons landscape material! I created a post process material that outlines edges of surfaces, I drew a cliff texture for slopes as well as a bush texture and its masks so I have full control over its outline and shadowing, and I improved the variation of colors and patterns on the ground. I'm so proud on how this is turning out so far! #UEFN #Fortnite

Here's a progress update on my recreation of the Simpsons landscape material! I created a post process material that outlines edges of surfaces, I drew a cliff texture for slopes as well as a bush texture and its masks so I have full control over its outline and shadowing, and I improved the variation of colors and patterns on the ground. I'm so proud on how this is turning out so far! #UEFN #Fortnite

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#UEFN Material tips 🗣️🔥 Use Bump Offset to create fake depth for textures. In this example, I used it to add a darker secondary fence texture that feels behind the main one, like in the 3D world, while remaining a 2D texture applied to the mesh.

#UEFN Material tips 🗣️🔥 Use Bump Offset to create fake depth for textures. In this example, I used it to add a darker secondary fence texture that feels behind the main one, like in the 3D world, while remaining a 2D texture applied to the mesh.

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The Rehbinder effect is a phenomenon in physics that reduces the hardness and ductility of a material by a surfactant film. A surfactant is a substance that lowers the surface tension of a liquid, such as water. When a ceramic cup is submerged in water, the water acts as a surfactant and weakens the bonds between the atoms on the surface of the cup. This makes it easier to pierce the cup with a nail without breaking it.

The Rehbinder effect is a phenomenon in physics that reduces the hardness and ductility of a material by a surfactant film. A surfactant is a substance that lowers the surface tension of a liquid, such as water. When a ceramic cup is submerged in water, the water acts as a surfactant and weakens the bonds between the atoms on the surface of the cup. This makes it easier to pierce the cup with a nail without breaking it.

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🚨 THIS IS INSANE... I built a custom Material Editor inside UEFN using nothing but Python. What it does: - Live preview color and surface changes - 15 built-in presets (Chrome, Gold, Neon, Hologram...) - Save your own custom presets - Randomize colors across objects - Paint gradients across your map - Auto team color splits - Checkerboard and stripe patterns - Glow pulse preview - Color harmony generator - Full undo support

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🧵1/3 I partnered with Kling to make a promo for their new 3.0 model. I came up with the concept, created it and delivered it all on my own in 3 days of early access, I wanted to make something that showed how Kling could be used to tell a diverse range of stories in a diverse range of styles. I've honestly been blown away be how incredible the model is and I haven't even scratched the surface of features like the new 3.0 OMNI model. For me Kling 2.6 was already best in class for most things but 3.0 sees massive improvements to video quality and detail (no need to add grain to mask imperfections) and prompt adherence. Also you can time your generations to be as long as 15 seconds and as short as 3, this is fantastic for pacing your scenes. Read on to find out more about the new Performance and Multi shot features!👇

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So today, I will actually show some LOVE and post my favorite English dub scene. Why do I like it? Goku's dialogue is VERY close to the JP, and as you know, that is what's most important to fans of the source material, Julius Dobos' SS3 theme; its my favorite of the US score, and Sean's performance.

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The Office of the eSafety Commissioner does commendable work in protecting children and adults from bullying and, most importantly, removing child abuse material. I praised the Office for this work. However, in my opinion, the eSafety Commissioner has brought the office into disrepute with her personal vendetta against Twitter/X and her attempt to become the world internet police. Last year, the Commissioner finalised investigations into 9,500 pieces of violent and extremist content. I asked what these were. The answer provided was that the Commissioner was taking down material from anywhere in the world, detecting it in part because they actively searched for it, even without a complaint. Given that the Commissioner is positioning herself as the world internet police at our expense, I asked what benefit removing the 9,500 pieces of material had for Australians. The answer relied on one incident, and there was no proof it actually caused a terrorist incident. I asked why there was no explanation of what the other material was, such as a transparency register so we can see what material they are requiring to be taken down to check for political bias. The question was ignored. I also asked what direct benefit her actions had in addressing terrorism and violent material. The Commissioner answered regarding child material, which I had already praised. The Commissioner is avoiding scrutiny of her takedown notices for violent and extremist material, and I believe it is because they follow a political bias. One Nation calls for the eSafety Commissioner to stand down.

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Engineers discover a new class of materials that passively harvest water from air | University of Pennsylvania A serendipitous observation in a Chemical Engineering lab at Penn Engineering has led to a surprising discovery: a new class of nanostructured materials that can pull water from the air, collect it in pores and release it onto surfaces without the need for any external energy. The research, published in Science Advances, was conducted by an interdisciplinary team, including Daeyeon Lee, Russell Pearce and Elizabeth Crimian Heuer Professor in Chemical and Biomolecular Engineering (CBE), Amish Patel, Professor in CBE, Baekmin Kim, a postdoctoral scholar in Lee's lab and first author, and Stefan Guldin, Professor in Complex Soft Matter at the Technical University of Munich. Their work describes a material that could open the door to new ways to collect water from the air in arid regions and devices that cool electronics or buildings using the power of evaporation. "We weren't even trying to collect water," says Lee. "We were working on another project testing the combination of hydrophilic nanopores and hydrophobic polymers when Bharath Venkatesh, a former Ph.D. student in our lab, noticed water droplets appearing on a material we were testing. It didn't make sense. That's when we started asking questions." Those questions led to an in-depth study of a new type of amphiphilic nanoporous material: one that blends water-loving (hydrophilic) and water-repelling (hydrophobic) components in a unique nanoscale structure. The result is a material that both captures moisture from air and simultaneously pushes that moisture out as droplets. Water-Collecting Nanopores When water condenses on surfaces, it usually requires either a drop in temperature or very high humidity levels. Conventional water harvesting methods rely on these principles, often requiring energy input to chill surfaces or a dense fog to form to collect water passively from humid environments. But Lee and Patel's system works differently. Instead of cooling, their material relies on capillary condensation, a process where water vapor condenses inside tiny pores even at lower humidity. This is not new. What is new is that in their system, the water doesn't just stay trapped inside the pores, as it usually does in these types of materials. "In typical nanoporous materials, once the water enters the pores, it stays there," explains Patel. "But in our material, the water moves, first condensing inside the pores, then emerging onto the surface as droplets. That's never been seen before in a system like this, and at first we doubted our observations." A Material That Defies Physics Before they understood what was happening, the researchers first thought that water was simply condensing onto the surface of the material due to an artifact of their experimental setup, such as a temperature gradient in the lab. To rule that out, they increased the thickness of the material to see if the amount of water collected on the surface would change. "If what we were observing was due to surface condensation alone, the thickness of the material wouldn't change the amount of water present," explains Lee. But, the total amount of water collected increased as the film's thickness increased, proving that the water droplets forming on the surface came from inside the material. Even more surprising: the droplets didn't evaporate quickly, as thermodynamics would predict. "According to the curvature and size of the droplets, they should have been evaporating," says Patel. "But they were not; they remained stable for extended periods." With a material that could potentially defy the laws of physics on their hands, Lee and Patel sent their design off to a collaborator to see if their results were replicable. "We study porous films under a wide range of conditions, using subtle changes in light polarization to probe complex nanoscale phenomena," says Guldin. "But we've never seen anything like this. It's absolutely fascinating and will clearly spark new and exciting research." A Stabilized Cycle of Condensation and Release It turns out that they had created a material with just the right balance of water-attracting nanoparticles and water-repelling plastic -- polyethylene -- to create a nanoparticle film with this special property. "We accidentally hit the sweet spot," says Lee. "The droplets are connected to hidden reservoirs in the pores below. These reservoirs are continuously replenished from water vapor in the air, creating a feedback loop made possible by this perfect balance of water-loving and water-repelling materials." A Platform for Passive Water Harvesting and More Beyond the physics-defying behavior, the materials' simplicity is part of what makes them so promising. Made from common polymers and nanoparticles using scalable fabrication methods, these films could be integrated into passive water harvesting devices for arid regions, surfaces for cooling electronics or smart coatings that respond to ambient humidity. "We're still uncovering the mechanisms at play," says Patel. "But the potential is exciting. We're learning from biology -- how cells and proteins manage water in complex environments -- and applying that to design better materials." "This is exactly what Penn does best, bringing together expertise in chemical engineering, materials science, chemistry and biology to solve big problems," adds Lee. The next steps include studying how to optimize the balance of hydrophilic and hydrophobic components, scale the material for real-world use and investigating how to make the collected droplets roll off surfaces efficiently. Ultimately, the researchers hope this discovery will lead to technologies that offer clean water in dry climates or more sustainable cooling methods using only the water vapor already in the air. Read more:

Engineers discover a new class of materials that passively harvest water from air | University of Pennsylvania A serendipitous observation in a Chemical Engineering lab at Penn Engineering has led to a surprising discovery: a new class of nanostructured materials that can pull water from the air, collect it in pores and release it onto surfaces without the need for any external energy. The research, published in Science Advances, was conducted by an interdisciplinary team, including Daeyeon Lee, Russell Pearce and Elizabeth Crimian Heuer Professor in Chemical and Biomolecular Engineering (CBE), Amish Patel, Professor in CBE, Baekmin Kim, a postdoctoral scholar in Lee's lab and first author, and Stefan Guldin, Professor in Complex Soft Matter at the Technical University of Munich. Their work describes a material that could open the door to new ways to collect water from the air in arid regions and devices that cool electronics or buildings using the power of evaporation. "We weren't even trying to collect water," says Lee. "We were working on another project testing the combination of hydrophilic nanopores and hydrophobic polymers when Bharath Venkatesh, a former Ph.D. student in our lab, noticed water droplets appearing on a material we were testing. It didn't make sense. That's when we started asking questions." Those questions led to an in-depth study of a new type of amphiphilic nanoporous material: one that blends water-loving (hydrophilic) and water-repelling (hydrophobic) components in a unique nanoscale structure. The result is a material that both captures moisture from air and simultaneously pushes that moisture out as droplets. Water-Collecting Nanopores When water condenses on surfaces, it usually requires either a drop in temperature or very high humidity levels. Conventional water harvesting methods rely on these principles, often requiring energy input to chill surfaces or a dense fog to form to collect water passively from humid environments. But Lee and Patel's system works differently. Instead of cooling, their material relies on capillary condensation, a process where water vapor condenses inside tiny pores even at lower humidity. This is not new. What is new is that in their system, the water doesn't just stay trapped inside the pores, as it usually does in these types of materials. "In typical nanoporous materials, once the water enters the pores, it stays there," explains Patel. "But in our material, the water moves, first condensing inside the pores, then emerging onto the surface as droplets. That's never been seen before in a system like this, and at first we doubted our observations." A Material That Defies Physics Before they understood what was happening, the researchers first thought that water was simply condensing onto the surface of the material due to an artifact of their experimental setup, such as a temperature gradient in the lab. To rule that out, they increased the thickness of the material to see if the amount of water collected on the surface would change. "If what we were observing was due to surface condensation alone, the thickness of the material wouldn't change the amount of water present," explains Lee. But, the total amount of water collected increased as the film's thickness increased, proving that the water droplets forming on the surface came from inside the material. Even more surprising: the droplets didn't evaporate quickly, as thermodynamics would predict. "According to the curvature and size of the droplets, they should have been evaporating," says Patel. "But they were not; they remained stable for extended periods." With a material that could potentially defy the laws of physics on their hands, Lee and Patel sent their design off to a collaborator to see if their results were replicable. "We study porous films under a wide range of conditions, using subtle changes in light polarization to probe complex nanoscale phenomena," says Guldin. "But we've never seen anything like this. It's absolutely fascinating and will clearly spark new and exciting research." A Stabilized Cycle of Condensation and Release It turns out that they had created a material with just the right balance of water-attracting nanoparticles and water-repelling plastic -- polyethylene -- to create a nanoparticle film with this special property. "We accidentally hit the sweet spot," says Lee. "The droplets are connected to hidden reservoirs in the pores below. These reservoirs are continuously replenished from water vapor in the air, creating a feedback loop made possible by this perfect balance of water-loving and water-repelling materials." A Platform for Passive Water Harvesting and More Beyond the physics-defying behavior, the materials' simplicity is part of what makes them so promising. Made from common polymers and nanoparticles using scalable fabrication methods, these films could be integrated into passive water harvesting devices for arid regions, surfaces for cooling electronics or smart coatings that respond to ambient humidity. "We're still uncovering the mechanisms at play," says Patel. "But the potential is exciting. We're learning from biology -- how cells and proteins manage water in complex environments -- and applying that to design better materials." "This is exactly what Penn does best, bringing together expertise in chemical engineering, materials science, chemistry and biology to solve big problems," adds Lee. The next steps include studying how to optimize the balance of hydrophilic and hydrophobic components, scale the material for real-world use and investigating how to make the collected droplets roll off surfaces efficiently. Ultimately, the researchers hope this discovery will lead to technologies that offer clean water in dry climates or more sustainable cooling methods using only the water vapor already in the air. Read more:

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"AI and The Philosophy of Science” - Director’s Cut This is a longer, higher quality version of a talk I zoomed in to give at RatFest 2025. I mashed up the original with additional material. It also serves as a supplement to my “Doom Debates” chat. Chapters below.

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The drawings I post on X are things I create as a hobby in my free time. I usually conceptualize what I want to draw on the weekend while I'm commuting or during downtime, and then I start the drawing when the weekend arrives. Most of them are finished within five hours of starting, and I also try various techniques that might be helpful for my main job. Since they don't take much time, and I tend to merge layers as I go, there's hardly any record of the creation process. Drawing itself is purely a hobby for me, so adding extra steps just to record the process feels like a hassle. However, this time, I recorded it.

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