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General Physics Dec 11, 2024

Eyes on the sun: Naked thallium-205 ion decay reveals history over millions of years

The sun, the essential engine that sustains life on Earth, generates its tremendous energy through the process of nuclear fusion. At the same time, it releases a continuous stream of neutrinos—particles that serve as messengers ...

Astrobiology Dec 9, 2024

A technosignature that could detect an extraterrestrial civilization's reliance on nuclear fusion

Extraterrestrial civilizations need a great deal of energy as they advance up the Kardashev scale. Fossil fuels are finite, wind and solar energy are carbon free but not as efficient as fossil fuels, and traditional nuclear ...

General Physics Dec 5, 2024

Particle research gets closer to answering why we're here: Physicists outline next 10 years of neutrino research

Physicists soon will be closer than ever to answering fundamental questions about the origins of the universe by learning more about its tiniest particles.

Plasma Physics Dec 5, 2024

Researchers reveal the mechanism of runaway electron generation in tokamak fusion reactors

A research team has clarified the mechanism behind the generation of runaway electrons during the startup phase of a tokamak fusion reactor. The paper, "Binary Nature of Collisions Facilitates Runaway Electron Generation ...

Astronomy Nov 25, 2024

Astronomers measure cosmic electrons at the highest energies to date

Five telescopes of the H.E.S.S.-collaboration in Namibia are used to study cosmic radiation, especially gamma radiation. With data from 10 years of observations, researchers have now been able to detect cosmic electrons and ...

Plasma Physics Nov 19, 2024

Aligning the quantum property known as spin for fusion fuels could make it easier to generate electricity economically

A different mix of fuels with enhanced properties could overcome some of the major barriers to making fusion a more practical energy source, according to a new study.

Astronomy Nov 18, 2024

It takes very special conditions to create the bizarre stellar spectacle known as R Aquarii

A stellar odd couple 700 light-years away is creating a chaotically beautiful display of colorful, gaseous filaments. The Hubble captured the pair, named R Aquarii, and their symbiotic interactions. Every 44 years the system's ...

Plasma Physics Nov 15, 2024

New family of optimized magnetic fields could display enhanced fusion plasma confinement

Physicists have been trying to design fusion reactors, technologies that can generate energy via nuclear fusion processes, for decades. The successful realization of fusion reactors relies on the ability to effectively confine ...

Plasma Physics Nov 5, 2024

Study identifies promising materials for fusion reactors

Nuclear fusion could be an ideal solution to mankind's energy problem, guaranteeing a virtually limitless source of power without greenhouse gas emissions. But there are still huge technological challenges to overcome before ...

Astronomy Oct 31, 2024

It all started with a Big Bang: The quest to unravel the mystery behind the birth of the universe

How did everything begin? It's a question that humans have pondered for thousands of years. Over the last century or so, science has homed in on an answer: the Big Bang.

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