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Category: nuclear energy

Found in everything from kitchen appliances to sustainable energy infrastructure, stainless steels are used extensively due to their excellent corrosion (rusting) resistance. They’re an important material in many industries, including manufacturing, transportation, oil and gas, nuclear power and chemical processing.

However, stainless steels can undergo a process called sensitization when subjected to a certain range of high temperatures—like during welding—and this substantially deteriorates their resistance. Left unchecked, corrosion can lead to cracking and structural failure.

“This is a major problem for stainless steels,” says Kumar Sridharan, a professor of nuclear engineering and engineering physics and materials science and engineering at the University of Wisconsin–Madison. “When gets corroded, components need to be replaced or remediated. This is an expensive process and causes extended downtime in industry.”

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A team of fusion researchers at TAE Technologies, Inc., in the U.S., working with colleagues from the University of California, has developed a new type of fusion technology that the company claims produces 100 times the power of other designs while costing just half as much to run. Their study is published in the journal Nature Communications.

Over the past several decades, scientists around the world have been trying to find a way to produce using . Despite recent advancements, commercial electricity produced by fusion reaction power plants is still likely years away, due mainly to inefficiencies and cost. The team working in California claims that they have made significant inroads into solving both problems.

Their work was focused mostly on improving the field-reversed configuration (FRC), a magnetic confinement technique. As the researchers note, generating involves first generating plasma, which has to be contained. Because it is so hot, it cannot simply be contained; instead, it is held in place by a magnetic field.

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“Second Variety” is a science fiction novelette by American writer Philip K. Dick, first published in Space Science Fiction magazine, in May 1953. Set in a world where war between the Soviet Union and United Nations has reduced most of the world to a barren wasteland, the story concerns the discovery, by the few remaining soldiers left, that self-replicating robots originally built to assassinate Soviet agents have gained sentience and are now plotting against both sides. It is one of many stories by Dick to examine the implications of nuclear war, particularly after it has destroyed much or all of the planet. The story was adapted into the movie Screamers in 1995. 00:00 Intro 01:03 Peek into the plot 03:33 Self-Replication and Technological Autonomy 06:51 Current Autonomous Warfare Capabilities 10:30 Space Warfare and the Projection of Terrestrial Conflict 13:14 Current State of Space Warfare 15:22 Wrapping Up =============== 🎬 Loitering munitions system WARMATE • Loitering munitions system WARMATE 📙 🇺🇸 Superintelligence: Paths, Dangers, Strategies https://bookshop.org/a/98861/97801987… The Human Terrain Project — PENTAGON’S attempt to understand The Enemy | ENDEVR Documentary • The Human Terrain Project — PENTAGON’… 📙 🇺🇸 War in the Age of Intelligent Machines https://monoskop.org/images/c/c0/DeLa… =============== Buy the book featured in this video: 📙 🇺🇸 Buy the book Second Variety https://bookshop.org/a/98861/97988883… 🎧 Free Audiobook • Post-Apocalyptic Story “Second Variet… =============== You can find my take on things summarised in the books I wrote. 📙🇺🇸Chronicles of the Machine — Simulated conversations with Philip K. Dick https://buchshop.bod.ch/chronicles-of… 📙🇺🇸Zero Person: Reframing Autistic Cognition Beyond the Self https://buchshop.bod.ch/zero-person-e… 📙🇩🇪Zero Person: Autistische Kognition jenseits des Selbst https://buchshop.bod.ch/zero-person-e… 📙🇺🇸Book order: The end of the I https://www.bod.ch/buchshop/the-end-o… 📙🇩🇪Book order: Das Ende des Ichs https://www.bod.ch/buchshop/das-ende–… 📙🇺🇸 #actuallyautistic — Living with Autism – A Poetic Exploration of the Spectrum https://buchshop.bod.ch/actuallyautis… =============== Image credits: Freepik.

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In a dramatic leap for astrophysics, Chinese researchers have recreated a key cosmic process in the lab: the acceleration of ions by powerful collisionless shocks.

By using intense lasers to simulate space-like conditions, they captured high-speed ion beams and confirmed the decades-old theory that shock drift acceleration, not shock surfing, is the main driver behind these energy gains. This discovery connects lab physics with deep-space phenomena like cosmic rays and supernova remnants, paving the way for breakthroughs in both fusion energy and space science.

Breakthrough in particle acceleration observed in lab.

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Neutrinos, elusive fundamental particles, can act as a window into the center of a nuclear reactor, the interior of the Earth, or some of the most dynamic objects in the universe. Their tendency to change “flavors” may provide clues into the prominence of matter over antimatter in the universe or explain the existence of dark matter.

Physicists are particularly interested in proving the existence of “sterile” neutrinos. Their discovery would reveal a new form of matter that interacts only with gravity and could influence the evolution of the universe.

In a new study published in Physical Review Letters, a team of researchers from U.S. universities and national laboratories has set stringent limits on the existence and mass of sterile neutrinos. While they have yet to find the particles, they now know where not to look.

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An innovative algorithm for detecting collisions of high-speed particles within nuclear fusion reactors has been developed, inspired by technologies used to determine whether bullets hit targets in video games. This advancement enables rapid predictions of collisions, significantly enhancing the stability and design efficiency of future fusion reactors.

Professor Eisung Yoon and his research team in the Department of Nuclear Engineering at UNIST announced that they have successfully developed a collision detection algorithm capable of quickly identifying collision points of high-speed particles within virtual devices. The research is published in the journal Computer Physics Communications.

When applied to the Virtual KSTAR (V-KSTAR), this algorithm demonstrated a detection speed up to 15 times faster than previous methods. The V-KSTAR is a digital twin that replicates the Korean Superconducting Tokamak Advanced Research (KSTAR) fusion experiment in a three-dimensional virtual environment.

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The field-reversal configuration (FRC) represents a fusion device concept capable of high power density with a compact geometry. Here, the authors report on the generation and sustainment of a FRC by means of neutral beam injection in the C-2W machine at TAE technologies. This contributes towards establishing FRC as an alternative economic fusion device.

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With applications ranging from experimental physics to quantum field exploration, these high-energy lasers are more than scientific curiosities — they’re becoming symbols of technological ambition and geopolitical strength.

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In a groundbreaking leap toward cleaner, more affordable energy, scientists in France held a fusion reaction steady for over 22 minutes — shattering the previous world record. If that number sounds insignificant, here’s why it’s a big deal: That is 1,337 seconds of controlled, blazing-hot plasma, the critical ingredient needed to power nuclear fusion, a nearly limitless energy source that does not rely on polluting fuels like gas, coal, or oil.

This milestone brings us one step closer to a dream energy future: one where our homes, cities, and electric cars are powered by a technology that mimics the sun — minus the radioactive waste and environmental damage of traditional nuclear power.

Nuclear fusion has the capability to solve a major problem with polluting energy sources. Right now, our power mostly comes from dirty energy that pollutes the air and contributes to extreme weather. While solar and wind energy are gaining momentum, fusion offers something different: the possibility of continuous, around-the-clock clean energy using hydrogen — the most common element in the universe — as fuel.

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IN A NUTSHELL 🔧 The United States has delivered a colossal superconducting magnet to France’s ITER project, advancing nuclear fusion technology. 🤝 Collaboration among eight American companies was essential to construct the solenoid’s support structure for the reactor. 🔄 Four out of six solenoid modules have been installed, with completion expected by the year’s end.

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