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Sunbird is a nuclear fusion-powered spacecraft concept developed by Pulsar Fusion to reduce deep-space travel time. It uses a Dual Direct Fusion Drive powered by deuterium and helium-3 and is designed to act as a space tug from low Earth orbit. Still in development, it could become the fastest... show more

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The Sunbird Fusion Rocket from Pulsar Fusion echoes ideas long explored by propulsion pioneer Paul Czysz, using advanced propulsion to transform deep-space travel. Fusion rockets could cut Mars trips to weeks and open the outer solar system.

The Sunbird Fusion Rocket from Pulsar Fusion echoes ideas long explored by propulsion pioneer Paul Czysz, using advanced propulsion to transform deep-space travel. Fusion rockets could cut Mars trips to weeks and open the outer solar system.

Bluntly Put Philosopher (BPP)

87,358 görüntüleme • 5 ay önce

🚨FUSION AND SOLAR ARE THE KEYS TO DEEP-SPACE TRAVEL David Kirtley, CEO of Helion Energy: “That's how I got into fusion, thinking about the intersection of energy and space travel. Near Earth, collecting the sun’s energy makes sense. It’s free, and spacecraft use solar panels because there’s plenty of irradiance without the atmosphere blocking it. But the sun’s energy falls off with radius squared. It doesn’t take long before there isn’t much energy out there, and you have to bring your own. In space, mass is expensive, that’s the rocket equation, so high-energy-density fuel is exciting, and that’s what fusion enables. The challenge is if you make electricity from fusion using a steam cycle, you need something cool, a working fluid to dump heat into. In space, there’s nothing to cool against. So many steam-based fusion systems don’t make sense in space, which is why direct-energy, high-efficiency fusion matters.” Source: Lex Fridman David Kirtley

🚨FUSION AND SOLAR ARE THE KEYS TO DEEP-SPACE TRAVEL David Kirtley, CEO of Helion Energy: “That's how I got into fusion, thinking about the intersection of energy and space travel. Near Earth, collecting the sun’s energy makes sense. It’s free, and spacecraft use solar panels because there’s plenty of irradiance without the atmosphere blocking it. But the sun’s energy falls off with radius squared. It doesn’t take long before there isn’t much energy out there, and you have to bring your own. In space, mass is expensive, that’s the rocket equation, so high-energy-density fuel is exciting, and that’s what fusion enables. The challenge is if you make electricity from fusion using a steam cycle, you need something cool, a working fluid to dump heat into. In space, there’s nothing to cool against. So many steam-based fusion systems don’t make sense in space, which is why direct-energy, high-efficiency fusion matters.” Source: Lex Fridman David Kirtley

Mario Nawfal

141,775 görüntüleme • 9 ay önce

"The market for nuclear power in space will be much larger, and move a lot faster than a lot of people think." —Antares CEO Jordan Bramble "The overwhelming thing that will drive that is — space is now a warfighting domain. As we seek to employ higher-powered assets in Earth orbit and cislunar space, there's pretty clear physics that a nuclear power system scales more favorably on a size and weight basis compared to solar panels." "If you want to have a 100 kW spacecraft, those solar panels would be the size of a football field. You could do a similarly sized nuclear-powered spacecraft and fit it on a Falcon 9."

"The market for nuclear power in space will be much larger, and move a lot faster than a lot of people think." —Antares CEO Jordan Bramble "The overwhelming thing that will drive that is — space is now a warfighting domain. As we seek to employ higher-powered assets in Earth orbit and cislunar space, there's pretty clear physics that a nuclear power system scales more favorably on a size and weight basis compared to solar panels." "If you want to have a 100 kW spacecraft, those solar panels would be the size of a football field. You could do a similarly sized nuclear-powered spacecraft and fit it on a Falcon 9."

TBPN

17,867 görüntüleme • 4 ay önce

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.

Black Hole

42,207 görüntüleme • 1 yıl önce

We're going deeper... Bill Gates & Jeff Bezos have invested in Commonwealth Fusion Systems and General Fusion, which use a Deuterium and Tritium fuel mix. While this fuel source emits more radiation than other fusion technologies, the fuel is widely available including Tritium from seawater. Peter Thiel & Sam Altman have both invested in the private nuclear fusion company Helion Energy. While helium is pretty abundant, the fuel source Helium-3 is not. It is extremely rare on Earth, with only a few small deposits.

We're going deeper... Bill Gates & Jeff Bezos have invested in Commonwealth Fusion Systems and General Fusion, which use a Deuterium and Tritium fuel mix. While this fuel source emits more radiation than other fusion technologies, the fuel is widely available including Tritium from seawater. Peter Thiel & Sam Altman have both invested in the private nuclear fusion company Helion Energy. While helium is pretty abundant, the fuel source Helium-3 is not. It is extremely rare on Earth, with only a few small deposits.

Financelot

44,338 görüntüleme • 7 ay önce

ClearSpace has developed a spacecraft designed to clean Earth’s orbit by capturing defunct satellites using robotic arms. The company works with the European Space Agency and UK Space Agency to safely deorbit satellites. The mission aims to reduce debris and improve safety.

ClearSpace has developed a spacecraft designed to clean Earth’s orbit by capturing defunct satellites using robotic arms. The company works with the European Space Agency and UK Space Agency to safely deorbit satellites. The mission aims to reduce debris and improve safety.

Space and Technology

191,775 görüntüleme • 3 ay önce

Europe is getting serious about space. The Exploration Company just completed a major drop test of its reusable Nix space capsule, designed to carry cargo (and eventually astronauts) to low Earth orbit. The capsule was lifted by a Chinook helicopter to 9,100 feet before testing its parachute deployment sequence. Watching a future spacecraft dangling from a military helicopter is pretty cool. Writer: Lynn

Europe is getting serious about space. The Exploration Company just completed a major drop test of its reusable Nix space capsule, designed to carry cargo (and eventually astronauts) to low Earth orbit. The capsule was lifted by a Chinook helicopter to 9,100 feet before testing its parachute deployment sequence. Watching a future spacecraft dangling from a military helicopter is pretty cool. Writer: Lynn

Mario Nawfal

51,789 görüntüleme • 2 ay önce

Neutron is a reusable medium-lift rocket developed by Rocket Lab for launching large payloads into space. It is powered by nine Archimedes engines on the first stage and a single vacuum-optimized Archimedes engine on the second stage, using liquid methane and oxygen. It can carry up to 13,000 kilograms to low Earth orbit, making it suitable for satellite deployment and future space missions.

Neutron is a reusable medium-lift rocket developed by Rocket Lab for launching large payloads into space. It is powered by nine Archimedes engines on the first stage and a single vacuum-optimized Archimedes engine on the second stage, using liquid methane and oxygen. It can carry up to 13,000 kilograms to low Earth orbit, making it suitable for satellite deployment and future space missions.

Space and Technology

54,449 görüntüleme • 2 ay önce

Michael Shellenberger knows nothing about cold fusion. There was 60 successful replications showing anomalous energy and/or transmutation. Research never stopped, they just rebranded to LENR. One of the top physicists on LENR is George Miley, who has been writing papers about using high powered lasers to initiate aneutronic fusion in field reversed configurations. Cold fusion has become COOL fusion. Using lasers to set the temperatures of your ions to non equilibrium fusion conditions. The DoE solved fusion and they've been hiding it for a long time.

Michael Shellenberger knows nothing about cold fusion. There was 60 successful replications showing anomalous energy and/or transmutation. Research never stopped, they just rebranded to LENR. One of the top physicists on LENR is George Miley, who has been writing papers about using high powered lasers to initiate aneutronic fusion in field reversed configurations. Cold fusion has become COOL fusion. Using lasers to set the temperatures of your ions to non equilibrium fusion conditions. The DoE solved fusion and they've been hiding it for a long time.

Ashton Forbes

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#WATCH | Andhra Pradesh: India's first privately developed orbital-class rocket, Vikram-1, launched from the Satish Dhawan Space Centre in Sriharikota Built by Hyderabad-based Skyroot Aerospace, Vikram-1 is powered by three solid-fuel stages and a liquid orbital adjustment module. The mission is designed to deploy payloads weighing up to 350 kg into a 450-km Low Earth Orbit (LEO) with a 60-degree inclination. (Source: Skyroot Aerospace)

#WATCH | Andhra Pradesh: India's first privately developed orbital-class rocket, Vikram-1, launched from the Satish Dhawan Space Centre in Sriharikota Built by Hyderabad-based Skyroot Aerospace, Vikram-1 is powered by three solid-fuel stages and a liquid orbital adjustment module. The mission is designed to deploy payloads weighing up to 350 kg into a 450-km Low Earth Orbit (LEO) with a 60-degree inclination. (Source: Skyroot Aerospace)

ANI

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Announcing the Haven-1 and Vast-1 missions to low-Earth orbit. Launched by SpaceX, Haven-1 is scheduled to be the world’s first commercial space station and will be visited by a crew of four aboard a Dragon spacecraft during Vast-1 →

Announcing the Haven-1 and Vast-1 missions to low-Earth orbit. Launched by SpaceX, Haven-1 is scheduled to be the world’s first commercial space station and will be visited by a crew of four aboard a Dragon spacecraft during Vast-1 →

Vast

1,868,502 görüntüleme • 3 yıl önce

12-YEAR-OLD ACHIEVES NUCLEAR FUSION AT HOME A seventh grader in Dallas built a nuclear fusion device in a spare room. Yep, nuclear fusion. The same type of reaction that powers the Sun and has cost governments billions to study because it is extremely hard to pull off. And he is 12. He reportedly spent years learning the physics before putting the machine together, using a vacuum chamber and high voltage equipment to make it work. Only a small number of amateur builders worldwide have ever achieved fusion. Most of them are adult engineers.

12-YEAR-OLD ACHIEVES NUCLEAR FUSION AT HOME A seventh grader in Dallas built a nuclear fusion device in a spare room. Yep, nuclear fusion. The same type of reaction that powers the Sun and has cost governments billions to study because it is extremely hard to pull off. And he is 12. He reportedly spent years learning the physics before putting the machine together, using a vacuum chamber and high voltage equipment to make it work. Only a small number of amateur builders worldwide have ever achieved fusion. Most of them are adult engineers.

NewsForce

78,805 görüntüleme • 5 ay önce

For NASA’s next generation of deep space exploration missions, spacecraft may need to refuel in Earth orbit before pushing farther into the solar system. Engineers from #NASAMarshall and L3Harris are testing a technology vital for in-orbit refueling:

For NASA’s next generation of deep space exploration missions, spacecraft may need to refuel in Earth orbit before pushing farther into the solar system. Engineers from #NASAMarshall and L3Harris are testing a technology vital for in-orbit refueling:

NASA Marshall

77,501 görüntüleme • 1 ay önce

On November 13, 2025, engineers conducted tow tests for the Dream Chaser spaceplane at Kennedy Space Center to simulate landing conditions and check runway stability. The spacecraft was towed at speeds of 40 mph and 70 mph while teams also tested communication and ground recovery procedures. Developed by Sierra Space, Dream Chaser is designed to transport cargo and supplies to low Earth orbit and the ISS.

On November 13, 2025, engineers conducted tow tests for the Dream Chaser spaceplane at Kennedy Space Center to simulate landing conditions and check runway stability. The spacecraft was towed at speeds of 40 mph and 70 mph while teams also tested communication and ground recovery procedures. Developed by Sierra Space, Dream Chaser is designed to transport cargo and supplies to low Earth orbit and the ISS.

Space and Technology

12,447 görüntüleme • 3 ay önce

#WATCH | Andhra Pradesh: Visuals from the Satish Dhawan Space Centre in Sriharikota; India's first privately developed orbital-class rocket, Vikram-1, will be launched from here shortly Built by Hyderabad-based Skyroot Aerospace, Vikram-1 is powered by three solid-fuel stages and a liquid orbital adjustment module. The mission is designed to deploy payloads weighing up to 350 kg into a 450-km Low Earth Orbit (LEO) with a 60-degree inclination. (Source: Skyroot Aerospace)

#WATCH | Andhra Pradesh: Visuals from the Satish Dhawan Space Centre in Sriharikota; India's first privately developed orbital-class rocket, Vikram-1, will be launched from here shortly Built by Hyderabad-based Skyroot Aerospace, Vikram-1 is powered by three solid-fuel stages and a liquid orbital adjustment module. The mission is designed to deploy payloads weighing up to 350 kg into a 450-km Low Earth Orbit (LEO) with a 60-degree inclination. (Source: Skyroot Aerospace)

ANI

60,404 görüntüleme • 1 ay önce

🚨China Just Made a 582 TONNE Fusion-Energy Breakthrough! China’s just completed a 582 tonne toroidal field superconducting magnet, it is now the largest superconducting magnet ever constructed for a fusion reactor. Developed by the Institute of Plasma Physics under the Chinese Academy of Sciences, the magnet has officially passed expert review and represents one of the most significant milestones yet in humanity’s pursuit of controlled nuclear fusion.

🚨China Just Made a 582 TONNE Fusion-Energy Breakthrough! China’s just completed a 582 tonne toroidal field superconducting magnet, it is now the largest superconducting magnet ever constructed for a fusion reactor. Developed by the Institute of Plasma Physics under the Chinese Academy of Sciences, the magnet has officially passed expert review and represents one of the most significant milestones yet in humanity’s pursuit of controlled nuclear fusion.

Jay Anderson

164,888 görüntüleme • 25 gün önce

🚨xAI: GROK 3 CAN CREATE A 3D MODEL TO SIMULATE SPACE TRAVEL "Grok is animating two different planets, Earth and Mars. The green ball is the spacecraft—transitioning between Earth and Mars. You can see the journey from Earth to Mars, and it looks like the astronauts return safely." Source: xAI Elon Musk

🚨xAI: GROK 3 CAN CREATE A 3D MODEL TO SIMULATE SPACE TRAVEL "Grok is animating two different planets, Earth and Mars. The green ball is the spacecraft—transitioning between Earth and Mars. You can see the journey from Earth to Mars, and it looks like the astronauts return safely." Source: xAI Elon Musk

Mario Nawfal

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The Hudspith Steam Bicycle is a fully functioning, steam-powered bicycle, designed and made by Geoff Hudspith. A British engineer designed and built his own steam-powered bicycle in 2017 that could travel at 20 mph [story:

The Hudspith Steam Bicycle is a fully functioning, steam-powered bicycle, designed and made by Geoff Hudspith. A British engineer designed and built his own steam-powered bicycle in 2017 that could travel at 20 mph [story:

Massimo

137,291 görüntüleme • 3 yıl önce

🚨🇺🇸 BREAKING: US company Inversion has unveiled Arc, a new spacecraft that’s not a capsule or a spaceplane. Its lifting-body design is built to deliver cargo from orbit to anywhere on Earth in under an hour. The future of rapid space transport is here.

🚨🇺🇸 BREAKING: US company Inversion has unveiled Arc, a new spacecraft that’s not a capsule or a spaceplane. Its lifting-body design is built to deliver cargo from orbit to anywhere on Earth in under an hour. The future of rapid space transport is here.

Defence Index

1,406,211 görüntüleme • 9 ay önce