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This looks like science fiction. A phased ultrasonic array creates moving pressure points in mid-air at speeds up to 9 m/s with full 360° freedom. LEDs track the acoustic focus, turning invisible sound into floating 3D images. Holograms made from physics, not screens.

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Bluntly Put Philosopher (BPP)

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144,956 Aufrufe • vor 28 Tagen •via X (Twitter)

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Bernoulli’s Equation: P + ½ρv² + ρgh = constant Mind-bending science that looks like pure sorcery! A lightweight paper loop floats and dances in a high-velocity air stream, seemingly defying gravity. Fast-moving air over and around the loop creates a low-pressure zone above and along its curved surfaces. Higher atmospheric pressure underneath pushes it upward, trapping it in the airstream. The Coanda Effect makes the air hug the curve of the loop, keeping the airflow attached and giving it remarkable stability. Gravity pulls down, while the pressure difference lifts up — creating a beautiful dynamic equilibrium. With nothing but moving air molecules, you can guide the loop wherever you want. Invisible forces at work!

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That’s insane! 🤯 A student built an acoustic levitation divide with an Arduino board. He built it using an Arduino Nano, a motor driver, and 60 ultrasonic transducers that can levitate low-density objects in place indefinitely. The transducers send out 40 kHz waves that create standing waves. The interference pattern produces nulls that trap objects. High-pressure areas form below and above the object, locking it in the low-pressure area between them. The transducers produce two sound waves moving in opposing directions at the same frequency and amplitude. The effect is that the low-pressure areas don't appear to move, like whipping a rope from both ends and having the wave meet in the middle. Sound waves are oscillating at high and low pressures. By creating a sound wave that doesn't move forward (a standing wave), you create areas of constant pressure. 🔉 Objects get trapped in the null points between high-pressure zones. The craziest part is that this was made more than 7 years ago! DIY levitation 😮‍💨 Reddit link: ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

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🚨 CHINESE SCIENTISTS JUST INVENTED 3D PRINTING THAT CREATES OBJECTS IN 0.6 SECONDS USING ONLY LIGHT. Researchers at Tsinghua University have developed a new method called DISH (Digital Incoherent Synthesis of Holographic light fields) that can print complex millimeter-scale objects almost instantly. Instead of slowly building layer by layer, the system fires thousands of precisely patterned light images from multiple angles into a still vat of liquid resin. Where the light overlaps, the resin instantly hardens into a solid 3D object. The entire process takes just 0.6 seconds. Why this matters: • It’s currently the fastest volumetric 3D printing method ever demonstrated • Achieves extremely fine detail features thinner than a human hair • The resin stays completely still, so there’s no vibration or distortion • It can work with watery (low-viscosity) resins, making it suitable for biological applications • The team has already printed complex structures like blood vessel-like tubes and even a tiny bust of a historical figure The deeper implication: Traditional 3D printing has always been limited by speed and the need to move either the print head or the resin. This approach removes both constraints by using light itself as the sculptor. Because it can print directly into still liquid (and potentially onto living tissue), it opens new possibilities in bioprinting, medical devices, and rapid manufacturing. If the technology can be scaled beyond millimeter sizes, it could fundamentally change how we think about making physical objects turning “print” from a slow process into something closer to instantaneous fabrication. We’re moving from “layer by layer” to “all at once.” How do you think instant volumetric 3D printing like this could change medicine, manufacturing, or everyday life if it becomes widely available? Follow for more frontier manufacturing and materials science breakthroughs.

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🚨 SCIENTISTS JUST BROKE A 30-YEAR SUPERCONDUCTIVITY RECORD. Researchers at the University of Houston have created a material that carries electricity with zero resistance at 151 Kelvin (−122°C) under normal atmospheric pressure. That may not sound dramatic… until you realize it’s the closest anyone has ever come to the holy grail of materials science. Why this matters: Superconductors eliminate energy loss as heat. Right now, power grids waste enormous amounts of electricity just moving it around. This breakthrough could mean: •Dramatically more efficient power grids • Better fusion reactors • Faster, cooler electronics • More powerful MRI machines • Next-generation quantum computers Most importantly: the material stays superconducting even after the pressure is removed. The deeper implication is huge: For 30 years the record stood. Now it’s fallen and we’re one major step closer to room-temperature superconductivity. The dream of power lines with literally zero energy loss may no longer be science fiction. What technology changes first if we finally achieve room-temperature superconductors? Follow for more frontier physics and future technology.

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11,515 Aufrufe • vor 1 Monat

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Blessed Easter from occupied Jerusalem to the world This is what #Easter looks like in occupied #Jerusalem. Behind metal barricades and under the watch of heavily armed police, Palestinian Christians — along with international pilgrims — are prevented from freely reaching the Church of the Holy Sepulchre. Among them are peaceful citizens holding candles, simply wishing to pray, to walk the path of Christ, and to mark the resurrection in the very city where it happened. They come with faith, not fear. With candles, not conflict. And yet they are treated as a threat in their own homeland. The images capture more than a moment — it reflects a system of control that turns faith into friction, prayer into protest, and Easter into an act of resistance. But even behind barriers, the light carried by these worshippers still shines. Light must prevail over erasure. Over exclusion. Over military occupation. Freedom of worship is a basic human right. In Jerusalem, it’s time the world stands up for it. Palestinian Christians, like all Palestinians, deserve to live and worship in peace, dignity, and freedom. Israeli military occupation must end. #Jerusalem #Easter2025 #FreePalestine #ChristianPalestinians #FreedomOfWorship #ReligiousFreedom #EndTheOccupation #EndIsraeliSettlerColonialism #EndTheOccupation #EndIsraeliApartheid #EndIsraeliImpunity #LightWillPrevail

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Israel is building tiny robots INSIDE your body. Researchers at the Technion have developed DNA origami NANO-ROBOTS, programmable microscopic machines (just 100 nanometers wide) made entirely from DNA. These tiny “robots” navigate through the bloodstream, detect specific CANCER CELL markers, and then deploy a targeted TOXIN directly INTO the TUMORS, while completely sparing the HEALTHY cells. In recent trials on aggressive cancers, they’ve shown incredible PRECISION and EFFECTIVENESS. This isn’t science fiction anymore. It’s Israeli innovation turning the body into its own battlefield against disease. There's another nanotech that they’re working on to fix MOTOR NEURONS, which would help those with ALS/Lou Gehrig's disease.

Eretz Israel

55,867 Aufrufe • vor 2 Monaten

I pull the handle in with my left hand as I turn the corner. That simple move creates what I call the “water skier effect.” Just like a skier accelerates when the boat changes direction, the club speeds up when you pull in and turn through. It’s not about swinging harder—it’s about applying force at the right moment. This is one of the key pieces most golfers are missing. When you get it right, the strike feels effortless… and the ball jumps. If you’d like to learn how to build this into your swing, join me at my upcoming golf schools: 📍 May 2–3 at Grapevine Golf Course (TX) 📍 July 17–19 at Foxwoods (CT) For lessons or more info, email me at christo@classicswing.golf
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I pull the handle in with my left hand as I turn the corner. That simple move creates what I call the “water skier effect.” Just like a skier accelerates when the boat changes direction, the club speeds up when you pull in and turn through. It’s not about swinging harder—it’s about applying force at the right moment. This is one of the key pieces most golfers are missing. When you get it right, the strike feels effortless… and the ball jumps. If you’d like to learn how to build this into your swing, join me at my upcoming golf schools: 📍 May 2–3 at Grapevine Golf Course (TX) 📍 July 17–19 at Foxwoods (CT) For lessons or more info, email me at [email protected]

Classic Golf Swing

61,101 Aufrufe • vor 3 Monaten

She wasn't dancing for anyone until the whole street joined in. One girl. One beat. And suddenly everyone's in. Made with GPT Image 2 and Seedance 2.0 on BudgetPixel AI Prompt: Video Prompt — 15 seconds, 16:9, Solo female street dancer Jessy (described above) dancing continuously and energetically from the very first frame to a viral trending upbeat pop/afrobeat-style track (130 BPM, catchy hook-driven viral sound), full choreography visible throughout — no static feet-only opening, no frozen ending. Sunlit outdoor market street, colorful stalls, soft crowd blur, photorealistic, 8K detail, consistent facial identity, cinematic natural daylight, fluid motion blur, perfect temporal consistency. 0:00–0:03 — Low-angle tracking shot rising into a full-body view; Jessy is already mid-move, doing a bouncy shuffle-step with sharp arm swings and a hip pop on the beat drop, ponytail whipping, face clearly visible and expressive. 0:03–0:06 — Whip-pan into a Dutch-angle mid-shot; Jessy spins into a body-roll combo, arms cutting sharply through the air, handheld camera pulsing with the beat. 0:06–0:09 — Crash-zoom to a high-angle crane shot; Jessy drops into a low groove-step with a floor-touch and pop back up, dust kicking softly at her sneakers, still mid-motion. 0:09–0:12 — Snap-cut to eye-level tracking shot circling her; nearby onlookers — two women and one man, each with distinct clearly-visible faces, different hairstyles, and different outfits from Jessy and each other — start mirroring her moves and join in, forming a loose group dance, all faces on camera (face cards visible, no obstruction). 0:12–0:15 — Wide dynamic shot pulling back as the whole group dances together in sync, Jessy in the center still moving with sharp bounce and a playful spin, camera continuing to move (slow pull-back with slight handheld shake) right up to the final frame — no freeze, motion carries through to the last moment, energetic smile toward camera.
0:15

She wasn't dancing for anyone until the whole street joined in. One girl. One beat. And suddenly everyone's in. Made with GPT Image 2 and Seedance 2.0 on BudgetPixel AI Prompt: Video Prompt — 15 seconds, 16:9, Solo female street dancer Jessy (described above) dancing continuously and energetically from the very first frame to a viral trending upbeat pop/afrobeat-style track (130 BPM, catchy hook-driven viral sound), full choreography visible throughout — no static feet-only opening, no frozen ending. Sunlit outdoor market street, colorful stalls, soft crowd blur, photorealistic, 8K detail, consistent facial identity, cinematic natural daylight, fluid motion blur, perfect temporal consistency. 0:00–0:03 — Low-angle tracking shot rising into a full-body view; Jessy is already mid-move, doing a bouncy shuffle-step with sharp arm swings and a hip pop on the beat drop, ponytail whipping, face clearly visible and expressive. 0:03–0:06 — Whip-pan into a Dutch-angle mid-shot; Jessy spins into a body-roll combo, arms cutting sharply through the air, handheld camera pulsing with the beat. 0:06–0:09 — Crash-zoom to a high-angle crane shot; Jessy drops into a low groove-step with a floor-touch and pop back up, dust kicking softly at her sneakers, still mid-motion. 0:09–0:12 — Snap-cut to eye-level tracking shot circling her; nearby onlookers — two women and one man, each with distinct clearly-visible faces, different hairstyles, and different outfits from Jessy and each other — start mirroring her moves and join in, forming a loose group dance, all faces on camera (face cards visible, no obstruction). 0:12–0:15 — Wide dynamic shot pulling back as the whole group dances together in sync, Jessy in the center still moving with sharp bounce and a playful spin, camera continuing to move (slow pull-back with slight handheld shake) right up to the final frame — no freeze, motion carries through to the last moment, energetic smile toward camera.

Jessica Collins

31,429 Aufrufe • vor 9 Tagen

If you typically stream with a 3D model, I highly recommend that you pose your model when you’re not doing full body mocap instead of letting it stay in the stiff generic pose! It makes a huge difference in how your energy is conveyed (ᗒ⩊ᗕ)⸝ި ʕᦏ⌎ I’m only saying this because I noticed this a lot with my own 3D kids, but here’s a comparison showcase: ← default pose & default pendulum physics in Warudo → custom poses & slightly adjusted pendulum physics If you find it hard to pose within Warudo by using bone offsets or none of the existing poses in Warudo vibe with you, you can make your own like me! I made my custom poses in “VRM Posing Desktop” (this is the BEST vrm posing app I’ve ever used in the past 3 years) and exported them as Unity anims then dropped them into Warudo’s animation folder! You can then make a simple blueprint in Warudo to toggle between poses and make your model look more alive! It should fit especially well for just chatting streams 🙂‍↕️✨
0:10

If you typically stream with a 3D model, I highly recommend that you pose your model when you’re not doing full body mocap instead of letting it stay in the stiff generic pose! It makes a huge difference in how your energy is conveyed (ᗒ⩊ᗕ)⸝ި ʕᦏ⌎ I’m only saying this because I noticed this a lot with my own 3D kids, but here’s a comparison showcase: ← default pose & default pendulum physics in Warudo → custom poses & slightly adjusted pendulum physics If you find it hard to pose within Warudo by using bone offsets or none of the existing poses in Warudo vibe with you, you can make your own like me! I made my custom poses in “VRM Posing Desktop” (this is the BEST vrm posing app I’ve ever used in the past 3 years) and exported them as Unity anims then dropped them into Warudo’s animation folder! You can then make a simple blueprint in Warudo to toggle between poses and make your model look more alive! It should fit especially well for just chatting streams 🙂‍↕️✨

𝗞𝗔𝗥𝗜𝗛𝗔 🌘🍀 3D Artist ☻

15,700 Aufrufe • vor 4 Monaten

wait what?? Seedance 2.0 went crazy with this prompt 🦾 This is real early 2000s home video footage shot on a VHS camcorder at a crowded public swimming pool. The video has the typical grain, color, and soft quality of consumer video from that era. The camera is very shaky and handheld, filming from the side of the pool. On the diving board there is a very fat man wearing a homemade jetpack made out of what looks like metal tubes and bottles strapped to his back. A group of people around the pool are cheering and laughing, hyping him up. The guy runs and jumps off the diving board, then activates the jetpack mid-air. He manages to fly a few meters forward over the pool, but the jetpack starts struggling under his weight. He slowly loses height and ends up crashing into the water with a big splash. Right after he falls in, another fat guy with a mullet haircut jumps into the pool holding a can of beer. He swims over to the guy with the jetpack, who is still half-floating with the device on, and hands him the beer. The jetpack guy takes it and starts drinking while still in the water. Everyone around the pool goes crazy cheering and laughing at the whole scene. The camera movement is extremely shaky and reactive the entire time, with constant motion, motion blur during the jump and the crash, and the typical imperfections of someone filming with an old camcorder in a crowded place. There are several fast, unplanned cuts as the person filming tries to follow the chaos. Natural sound only: people cheering and laughing, the sound of the jetpack, the big splash when he crashes, and general pool ambience recorded with the camcorder microphone. The result must feel like authentic raw early 2000s home video of someone casually filming an absolutely ridiculous moment at a public swimming pool. Now is your turn! Tweak it and share it 🫡
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wait what?? Seedance 2.0 went crazy with this prompt 🦾 This is real early 2000s home video footage shot on a VHS camcorder at a crowded public swimming pool. The video has the typical grain, color, and soft quality of consumer video from that era. The camera is very shaky and handheld, filming from the side of the pool. On the diving board there is a very fat man wearing a homemade jetpack made out of what looks like metal tubes and bottles strapped to his back. A group of people around the pool are cheering and laughing, hyping him up. The guy runs and jumps off the diving board, then activates the jetpack mid-air. He manages to fly a few meters forward over the pool, but the jetpack starts struggling under his weight. He slowly loses height and ends up crashing into the water with a big splash. Right after he falls in, another fat guy with a mullet haircut jumps into the pool holding a can of beer. He swims over to the guy with the jetpack, who is still half-floating with the device on, and hands him the beer. The jetpack guy takes it and starts drinking while still in the water. Everyone around the pool goes crazy cheering and laughing at the whole scene. The camera movement is extremely shaky and reactive the entire time, with constant motion, motion blur during the jump and the crash, and the typical imperfections of someone filming with an old camcorder in a crowded place. There are several fast, unplanned cuts as the person filming tries to follow the chaos. Natural sound only: people cheering and laughing, the sound of the jetpack, the big splash when he crashes, and general pool ambience recorded with the camcorder microphone. The result must feel like authentic raw early 2000s home video of someone casually filming an absolutely ridiculous moment at a public swimming pool. Now is your turn! Tweak it and share it 🫡

TechHalla

34,084 Aufrufe • vor 13 Tagen