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Researchers have developed a new detector that analyzes antineutrinos emitted by nuclear reactors to monitor their activities from great distances.

This technology, which utilizes the phenomena of Cherenkov radiation, could revolutionize how we ensure reactors are not producing material for nuclear weapons, despite challenges from other environmental antineutrinos.

Nuclear Fission and Antimatter Monitoring.

A cornerstone of the US fusion research program, the DIII-D National Fusion Facility, has accomplished a major achievement. The nuclear fusion facility has completed its 200,000th experimental cycle.

“While completing 200,000 shots is impressive in its own right, this achievement is far more than a mere number,” said Dr Richard Buttery, Director of the DIII-D National Fusion Facility.

Nuclear fusion has long been hailed as the “holy grail” of clean energy. It is the process of nuclear fusion itself that powers the sun and stars. Unlike nuclear fission, which splits atoms and generates radioactive waste, fusion involves combining lighter atoms to form heavier ones.

Pace of growth helps maintain renewable energy when weather conditions interfere with wind and solar.

Nuclear fission—when the nucleus of an atom splits in two, releasing energy—may seem like a process that is fully understood. First discovered in 1939 and thoroughly studied ever since, fission is a constant factor in modern life, used in everything from nuclear medicine to power-generating nuclear reactors. However, it is a force of nature that still contains mysteries yet to be solved.

Researchers from the University of Washington, Seattle, or UW, and Los Alamos National Laboratory have used the Summit supercomputer at the Department of Energy’s Oak Ridge National Laboratory to answer one of fission’s biggest questions: What exactly happens during the nucleus’s “neck rupture” as it splits in two?

The resulting paper is published in the journal Physical Review Letters.

Fusion energy has the potential to be an effective clean energy source, as its reactions generate incredibly large amounts of energy. Fusion reactors aim to reproduce on Earth what happens in the core of the sun, where very light elements merge and release energy in the process. Engineers can harness this energy to heat water and generate electricity through a steam turbine, but the path to fusion isn’t completely straightforward.

Tech group signs deal with Kairos Power to build up to 7 small facilities to meet its energy needs.

Google on Monday signed a deal to get electricity from small nuclear reactors to help power artificial intelligence.

The agreement to buy energy from reactors built by Kairos Power came just weeks after word that Three Mile Island, the site of America’s worst nuclear accident, will restart operations to provide energy to Microsoft.

“We believe that nuclear energy has a critical role to play in supporting our clean growth and helping to deliver on the progress of AI,” Google senior director of energy and climate said during a briefing.

This sounds very promising! The researchers are investigating the use of nuclear microreactors to power faster and more efficient electric propulsion systems.☢️🚀

To develop spacecraft that can “maneuver without regret,” the U.S. Space Force is providing $35 million to a national research team led by the University of Michigan. It will be the first to bring fast chemical rockets together with efficient electric propulsion powered by a nuclear microreactor.

The newly formed Space Power and Propulsion for Agility, Responsiveness and Resilience Institute involves eight universities, and 14 industry partners and advisers in one of the nation’s largest efforts to advance space power and propulsion, a critical need for national defense and space exploration.

Continue reading “Space Force funds $35M institute for versatile propulsion at U-M” »

In the future, there could be a spacecraft capable of maneuvering with unprecedented speed and agility, without the constraints of limited fuel.

The U.S. Space Force has provided funding of $35 million to create a new spacecraft that can “maneuver without regret.”

Continue reading “US Space Force backs nuclear microreactor-powered rocket breakthrough” »