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French researchers have developed a solid-state plasma propulsion engine that operates without traditional combustible fuel or moving parts, utilizing electromagnetic fields to accelerate plasma for thrust. This innovative engine offers a cleaner, more efficient, and durable alternative for satellites and deep-space missions

Philosophy Of Physics

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22,486 просмотров • 7 месяцев назад •via X (Twitter)

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There’s a new rocket engine on the block 👀🚀 Astrobotic just announced that its newly developed “Chakram” Rotating Detonation Rocket Engine successfully completed its first test campaign. RDREs have long been theorized as a highly efficient form of propulsion, but only in the last five years or so have they started becoming reality. They work by sustaining supersonic rotating detonation waves inside the engine, helping improve efficiency across a range of operating pressures. Chakram produced more than 4,000 pounds of thrust and fired for 300 seconds during testing. Astrobotic

There’s a new rocket engine on the block 👀🚀 Astrobotic just announced that its newly developed “Chakram” Rotating Detonation Rocket Engine successfully completed its first test campaign. RDREs have long been theorized as a highly efficient form of propulsion, but only in the last five years or so have they started becoming reality. They work by sustaining supersonic rotating detonation waves inside the engine, helping improve efficiency across a range of operating pressures. Chakram produced more than 4,000 pounds of thrust and fired for 300 seconds during testing. Astrobotic

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🚨 WE ARE SURROUNDED! NASA'S COVERT STUDIES ON SELF-ORGANIZING PLASMA COMMUNITIES AROUND EARTH Hidden behind the glossy main NASA website, I found huge archives of data showing decade long research into massive self-organizing plasma communities around Earth Phenomena far more complex than our simple understanding of plasma - revealing long running institutional focus on their interaction with both natural and man-made bodies in space It reveals a picture of Earth embedded within a giant electromagnetic ocean of structured plasma phenomena activity, tracked from the 1960s You will know that I have already revealed several videos of NASA and Russian space station imagery showing thousands of these plasma entities crowding around satellites, space stations and tethers. But obviously take a deeper look by simply searching my profile on the word 'plasma' for more background. For now my video 👇 includes lots of important screenshots and clips which are just the start of a much deeper investigation into these hidden NASA archives #NASA #plasma

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Elon Musk on Raptor 3 Engine: "Raptor 3 is designed to require no basic heat shield, saving a lot of mass on the bottom and actually improving reliability, so that if there is, for example, a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter, whereas a fuel leak when the engines are contained in a box is a very scary thing indeed. It will be a massive increase in payload capability, in engine efficiency and in reliability. So this is really a revolutionary engine. Raptor 3 is really, I'd say, kind of alien technology, rocket engine. So in order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself, so everything is contained and protected. It is a marvel of engineering."

Elon Musk on Raptor 3 Engine: "Raptor 3 is designed to require no basic heat shield, saving a lot of mass on the bottom and actually improving reliability, so that if there is, for example, a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter, whereas a fuel leak when the engines are contained in a box is a very scary thing indeed. It will be a massive increase in payload capability, in engine efficiency and in reliability. So this is really a revolutionary engine. Raptor 3 is really, I'd say, kind of alien technology, rocket engine. So in order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself, so everything is contained and protected. It is a marvel of engineering."

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How to get to Mars in just 3 months? The British startup Pulsar Fusion has presented an ambitious project — Sunbird. This is a space tug with a thermonuclear engine that can accelerate to 800,000 km/h! At this speed, you can fly to Mars in just 2-3 months, and to Jupiter or Saturn — in a few years. The engine is based on a thermonuclear reaction between deuterium and helium-3. Unlike conventional nuclear fuel, it produces almost no radioactive waste — mainly protons are released, not neutrons. The engine operates on the principle of direct fusion: the plasma is not held inside, but is immediately ejected, creating a powerful jet stream. This is simpler than complex installations on Earth, and does not require a large energy output — the reaction itself is enough. The first flight of the prototype into space is planned for 2027, and a full-fledged tugboat by 2030. In the future, Pulsar Fusion wants to build a network of "fueling stations" throughout the Solar System. Such stations will help recharge tugs and send missions even to the most distant planets.

How to get to Mars in just 3 months? The British startup Pulsar Fusion has presented an ambitious project — Sunbird. This is a space tug with a thermonuclear engine that can accelerate to 800,000 km/h! At this speed, you can fly to Mars in just 2-3 months, and to Jupiter or Saturn — in a few years. The engine is based on a thermonuclear reaction between deuterium and helium-3. Unlike conventional nuclear fuel, it produces almost no radioactive waste — mainly protons are released, not neutrons. The engine operates on the principle of direct fusion: the plasma is not held inside, but is immediately ejected, creating a powerful jet stream. This is simpler than complex installations on Earth, and does not require a large energy output — the reaction itself is enough. The first flight of the prototype into space is planned for 2027, and a full-fledged tugboat by 2030. In the future, Pulsar Fusion wants to build a network of "fueling stations" throughout the Solar System. Such stations will help recharge tugs and send missions even to the most distant planets.

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We fired a really cool rocket engine - and broke some records while we were at it. 🔥This Rotating Detonation Rocket Engine produced more than 4,000 pounds of thrust, and included a 300-second continuous burn, which is believed to have set the record for longest duration hot firing of an RDRE engine to date. Watch it fire:

We fired a really cool rocket engine - and broke some records while we were at it. 🔥This Rotating Detonation Rocket Engine produced more than 4,000 pounds of thrust, and included a 300-second continuous burn, which is believed to have set the record for longest duration hot firing of an RDRE engine to date. Watch it fire:

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SU-57M The Russians are enhancing the stealth characteristics and performance of the Su-57 with the new engine. The AL-51F1 offers 20–25% better fuel efficiency than the previous engine, incorporates composite materials, and features a flat nozzle to reduce the RCS and IR signature. Maximum thrust reaches approximately 180 kN, and the engine is about 20% lighter, enabling sustained supercruise at Mach 1.6–2.0 without afterburner. The Russians have been devoting significant attention to the Su-75, and it appears they are upgrading the Su-57 primarily for export markets.

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Elon: Raptor 3 skips the base heat shield entirely “Raptor 3 is designed to require no base heat shield, saving a lot of mass on the bottom and actually improving reliability. So that if, for example, there is a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter.”

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Researchers at Tokamak Energy have captured for the first time a real-time, high-speed video of plasma behaviour inside their ST40 spherical tokamak, tracking visible green and red light emissions as the fusion process occurs. This visual insight comes via a camera operating at thousands of frames per second, offering unprecedented detail of how the plasma evolves, interacts with the surrounding lithium blanket and outer regions, and ultimately radiates energy. The imaging enables scientists to observe how the ultra-hot core transitions outward into cooler zones, how magnetic confinement shapes the plasma behaviour, and how impurities or outer-region interactions influence the process. By giving a ‘star-in-a-donut’ view of fusion in action, this breakthrough adds a new diagnostic tool to the development of fusion energy, helping engineers refine the magnetic confinement, optimise plasma stability and better understand the heat and light flows at play. It was slowed down by 100x. All this was for 0.3s A tokamak is one of the most advanced devices ever created to achieve controlled nuclear fusion, the same process that powers the Sun. Its goal is simple in principle but incredibly challenging in practice: heat a gas until it becomes plasma, raise that plasma to over 100 million degrees, and confine it long enough for hydrogen nuclei to fuse and release energy. Because no material container can survive such temperatures, a tokamak uses powerful magnetic fields to hold and shape the plasma like an invisible cage. The device has a distinctive doughnut-shaped (toroidal) chamber surrounded by magnetic coils. When the machine is switched on, electric currents and external magnets work together to create helical magnetic fields that trap the plasma and keep it away from the walls. As the plasma spirals around these magnetic lines, it heats up dramatically. Additional heating comes from methods like radio-frequency waves and neutral-beam injection, pushing the plasma toward the extreme temperatures needed for fusion. Inside this tightly controlled environment, hydrogen isotopes such as deuterium and tritium can collide and fuse, releasing fast neutrons and a burst of energy. The goal of tokamak research is to reach a point where the fusion reactions produce more energy than the system consumes, a milestone known as “net energy gain.” Modern machines like ITER, JET, and Tokamak Energy’s ST40 are bringing this vision closer, using advanced diagnostics, superconducting magnets, and increasingly stable plasma control. 👉

Researchers at Tokamak Energy have captured for the first time a real-time, high-speed video of plasma behaviour inside their ST40 spherical tokamak, tracking visible green and red light emissions as the fusion process occurs. This visual insight comes via a camera operating at thousands of frames per second, offering unprecedented detail of how the plasma evolves, interacts with the surrounding lithium blanket and outer regions, and ultimately radiates energy. The imaging enables scientists to observe how the ultra-hot core transitions outward into cooler zones, how magnetic confinement shapes the plasma behaviour, and how impurities or outer-region interactions influence the process. By giving a ‘star-in-a-donut’ view of fusion in action, this breakthrough adds a new diagnostic tool to the development of fusion energy, helping engineers refine the magnetic confinement, optimise plasma stability and better understand the heat and light flows at play. It was slowed down by 100x. All this was for 0.3s A tokamak is one of the most advanced devices ever created to achieve controlled nuclear fusion, the same process that powers the Sun. Its goal is simple in principle but incredibly challenging in practice: heat a gas until it becomes plasma, raise that plasma to over 100 million degrees, and confine it long enough for hydrogen nuclei to fuse and release energy. Because no material container can survive such temperatures, a tokamak uses powerful magnetic fields to hold and shape the plasma like an invisible cage. The device has a distinctive doughnut-shaped (toroidal) chamber surrounded by magnetic coils. When the machine is switched on, electric currents and external magnets work together to create helical magnetic fields that trap the plasma and keep it away from the walls. As the plasma spirals around these magnetic lines, it heats up dramatically. Additional heating comes from methods like radio-frequency waves and neutral-beam injection, pushing the plasma toward the extreme temperatures needed for fusion. Inside this tightly controlled environment, hydrogen isotopes such as deuterium and tritium can collide and fuse, releasing fast neutrons and a burst of energy. The goal of tokamak research is to reach a point where the fusion reactions produce more energy than the system consumes, a milestone known as “net energy gain.” Modern machines like ITER, JET, and Tokamak Energy’s ST40 are bringing this vision closer, using advanced diagnostics, superconducting magnets, and increasingly stable plasma control. 👉

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127,116 просмотров • 1 месяц назад

Taming the Edge: How lithium could help us control #fusion plasmas. This video captures the first flashes of lithium being injected into the #plasma of our ST40 tokamak, marking the start of our exploration into its effects. Why lithium? In fusion research, we aim for H-mode, a high-performance state with improved plasma confinement. Future fusion power plants are expected to operate in this mode. But H-mode brings a challenge: ELMs (Edge Localised Modes) are bursts of energy at the plasma edge, similar to mini solar flares. These can reduce plasma temperature and damage the divertor with intense heat and particles. Pioneering work by PPPL and others has shown that lithium can suppress ELMs and increase energy confinement time, leading to higher temperatures. On ST40, we’re currently injecting lithium powder during plasma shots to explore its effects. As part of our upcoming ST40 LEAPS upgrade – in partnership with the U.S. Department of Energy and Department for Energy Security and Net Zero – we’ll go further, coating plasma-facing components with solid lithium using the ‘lithium evaporation’ technique. We’ll be experimentally testing several mechanisms. One key focus is how lithium absorbs hydrogen isotopes and reduces their recycling back into the plasma, lowering the density at the plasma edge, leading to a more stable edge pressure gradient. We’re starting to understand more about lithium’s effect on plasma performance, and early results show lithium isn't getting into the plasma core, which is good news for avoiding diluting the fusion fuel in future plants. The physics is complex, and we’re still learning. But each step brings us closer to fusion energy. By incorporating lithium into ST40, the world’s highest field spherical tokamak, we’re advancing our understanding of this critical enabling technology. #Fusion #FusionEnergy #Innovation #Limitless #EnergyTransition

Taming the Edge: How lithium could help us control #fusion plasmas. This video captures the first flashes of lithium being injected into the #plasma of our ST40 tokamak, marking the start of our exploration into its effects. Why lithium? In fusion research, we aim for H-mode, a high-performance state with improved plasma confinement. Future fusion power plants are expected to operate in this mode. But H-mode brings a challenge: ELMs (Edge Localised Modes) are bursts of energy at the plasma edge, similar to mini solar flares. These can reduce plasma temperature and damage the divertor with intense heat and particles. Pioneering work by PPPL and others has shown that lithium can suppress ELMs and increase energy confinement time, leading to higher temperatures. On ST40, we’re currently injecting lithium powder during plasma shots to explore its effects. As part of our upcoming ST40 LEAPS upgrade – in partnership with the U.S. Department of Energy and Department for Energy Security and Net Zero – we’ll go further, coating plasma-facing components with solid lithium using the ‘lithium evaporation’ technique. We’ll be experimentally testing several mechanisms. One key focus is how lithium absorbs hydrogen isotopes and reduces their recycling back into the plasma, lowering the density at the plasma edge, leading to a more stable edge pressure gradient. We’re starting to understand more about lithium’s effect on plasma performance, and early results show lithium isn't getting into the plasma core, which is good news for avoiding diluting the fusion fuel in future plants. The physics is complex, and we’re still learning. But each step brings us closer to fusion energy. By incorporating lithium into ST40, the world’s highest field spherical tokamak, we’re advancing our understanding of this critical enabling technology. #Fusion #FusionEnergy #Innovation #Limitless #EnergyTransition

Tokamak Energy

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#WATCH | Bengaluru, Karnataka: ISRO Chairman V Narayanan says, “…a test that was conducted, excluding the thrust chamber…we have taken close to 90% of the thrust load…it was a major achievement and milestone, and now we are getting ready for the engine test…satellites are ready, and we are working on that, an exact date will be provided soon…Gaganyaan is a technology-intensive mission. We have to do the human-rating of the vehicle…before sending actual human beings, we have to do 3 uncrewed missions, and we are working towards the first uncrewed mission. You will come to know about the dates very shortly…”

#WATCH | Bengaluru, Karnataka: ISRO Chairman V Narayanan says, “…a test that was conducted, excluding the thrust chamber…we have taken close to 90% of the thrust load…it was a major achievement and milestone, and now we are getting ready for the engine test…satellites are ready, and we are working on that, an exact date will be provided soon…Gaganyaan is a technology-intensive mission. We have to do the human-rating of the vehicle…before sending actual human beings, we have to do 3 uncrewed missions, and we are working towards the first uncrewed mission. You will come to know about the dates very shortly…”

ANI

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It's only going to get crazier. The science checks out. I never could have imagined any of this a year ago. The orbs are literally using a high powered laser to produce a localized gravity well (geodesic) in front of them for propulsion. The plasma field around them is consistent with 'hypersonic' weapons using a plasma sheath and that what appears to be necessary to reduce the speed of light value in the Mass-Energy requirement for superluminal travel. Listen to this video by Jeremy Rys -Secret Space / Real X-File Researcher and Jack Sarfatti. We're going to rewrite the law of conservation of energy because of the MH370 videos. What a time to be alive.

It's only going to get crazier. The science checks out. I never could have imagined any of this a year ago. The orbs are literally using a high powered laser to produce a localized gravity well (geodesic) in front of them for propulsion. The plasma field around them is consistent with 'hypersonic' weapons using a plasma sheath and that what appears to be necessary to reduce the speed of light value in the Mass-Energy requirement for superluminal travel. Listen to this video by Jeremy Rys -Secret Space / Real X-File Researcher and Jack Sarfatti. We're going to rewrite the law of conservation of energy because of the MH370 videos. What a time to be alive.

Ashton Forbes

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🚨 THIS MAN WARNS: STOP WARMING UP YOUR CAR - YOU’RE ACTUALLY CAUSING ENGINE DAMAGE A mechanic says idling your car for 5–10 minutes like it’s 1995 is doing the opposite of what you think. Modern engines don’t need it. "Most cold-start engine wear happens because excess fuel washes oil off the cylinder walls." When your engine is cold, the computer runs a rich fuel mixture - extra gasoline to stabilize combustion. That fuel acts like a solvent, washing oil off the cylinder walls. Less oil = piston rings scraping closer to metal. That’s where most cold-start engine wear happens. Idling keeps the engine cold longer. Driving gently warms the oil, transmission, and engine faster, ends the rich mixture sooner, and restores proper lubrication. The fix is simple: Start the car. Wait 15–30 seconds. Drive easy until temps rise. Long idling only makes sense for frost, fog, or extreme cold. How many people are quietly damaging their engine every single morning without realizing it?

🚨 THIS MAN WARNS: STOP WARMING UP YOUR CAR - YOU’RE ACTUALLY CAUSING ENGINE DAMAGE A mechanic says idling your car for 5–10 minutes like it’s 1995 is doing the opposite of what you think. Modern engines don’t need it. "Most cold-start engine wear happens because excess fuel washes oil off the cylinder walls." When your engine is cold, the computer runs a rich fuel mixture - extra gasoline to stabilize combustion. That fuel acts like a solvent, washing oil off the cylinder walls. Less oil = piston rings scraping closer to metal. That’s where most cold-start engine wear happens. Idling keeps the engine cold longer. Driving gently warms the oil, transmission, and engine faster, ends the rich mixture sooner, and restores proper lubrication. The fix is simple: Start the car. Wait 15–30 seconds. Drive easy until temps rise. Long idling only makes sense for frost, fog, or extreme cold. How many people are quietly damaging their engine every single morning without realizing it?

HustleBitch

52,384 просмотров • 7 месяцев назад

As the CFM LEAP engine shuts down, you can hear the distinctive “whoosh” sound followed by a gush of air. That is the Reverse Bleed System (RBS) at work. During normal operation, a significant amount of fuel remains unpurged in the system after engine shutdown. This residual fuel, located near or within the hot section, vaporizes due to high temperatures and deposits carbon (coke) on the fuel nozzles. Over time, nozzle coking leads to several operational and maintenance issues, including loss of thrust, reduced engine efficiency due to incomplete combustion, accelerated deterioration of hot-section components (combustor and High-Pressure Turbine), engine start failures, potential engine stalls, and increased unscheduled engine removals. The Reverse Bleed System (RBS) prevents fuel nozzle coking by automatically introducing cool air from the core compartment into the engine core flowpath after shutdown. This effectively lowers the fuel nozzle temperature below the coking threshold. RBS can operate for a maximum of 1 hour, and its effectiveness depends on ambient conditions (especially ambient temperature) and the total duration it runs. The last flight of the day contributes the most to fuel nozzle coke accumulation because of the extended dwell time at the gate. By actively managing post-shutdown thermal conditions, RBS significantly reduces coking-related problems, improves engine reliability, and lowers long-term maintenance costs. Now, also coming soon to the CFM56

As the CFM LEAP engine shuts down, you can hear the distinctive “whoosh” sound followed by a gush of air. That is the Reverse Bleed System (RBS) at work. During normal operation, a significant amount of fuel remains unpurged in the system after engine shutdown. This residual fuel, located near or within the hot section, vaporizes due to high temperatures and deposits carbon (coke) on the fuel nozzles. Over time, nozzle coking leads to several operational and maintenance issues, including loss of thrust, reduced engine efficiency due to incomplete combustion, accelerated deterioration of hot-section components (combustor and High-Pressure Turbine), engine start failures, potential engine stalls, and increased unscheduled engine removals. The Reverse Bleed System (RBS) prevents fuel nozzle coking by automatically introducing cool air from the core compartment into the engine core flowpath after shutdown. This effectively lowers the fuel nozzle temperature below the coking threshold. RBS can operate for a maximum of 1 hour, and its effectiveness depends on ambient conditions (especially ambient temperature) and the total duration it runs. The last flight of the day contributes the most to fuel nozzle coke accumulation because of the extended dwell time at the gate. By actively managing post-shutdown thermal conditions, RBS significantly reduces coking-related problems, improves engine reliability, and lowers long-term maintenance costs. Now, also coming soon to the CFM56

Arjun Singh

53,523 просмотров • 3 месяцев назад

This summer I built an AI NBA search engine to find any play with a natural language query; but, I ultimately couldn't do much with it without NBA's approval. Does anyone have any NBA connections? I see a solid use case for editors, analysts, and players.

This summer I built an AI NBA search engine to find any play with a natural language query; but, I ultimately couldn't do much with it without NBA's approval. Does anyone have any NBA connections? I see a solid use case for editors, analysts, and players.

dk

15,973 просмотров • 11 месяцев назад