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General Physics Feb 5, 2024

Machine learning techniques enhance the discovery of excited nuclear levels in sulfur-38

Fixed numbers of protons and neutrons—the building blocks of nuclei—can rearrange themselves within a single nucleus. The products of this reshuffling include electromagnetic (gamma ray) transitions. These transitions ...

Plasma Physics Jan 23, 2024

Liquid lithium on the walls of a fusion device helps the plasma within maintain a hot edge

Emerging research suggests it may be easier to use fusion as a power source if liquid lithium is applied to the internal walls of the device housing the fusion plasma.

Plasma Physics Jan 16, 2024

Researchers visualize energetic ion flow in fusion devices

In a burning plasma, maintaining confinement of fusion-produced energetic ions is essential to producing energy. These fusion plasmas host a wide array of electromagnetic waves that can push energetic ions out of the plasma.

Planetary Sciences Jan 12, 2024

Planetesimals are buffeted by wind in their nebula, throwing debris into space: Study

Before planets form around a young star, the protosolar disk is populated with innumerable planetesimals. Over time, these planetesimals combine to form planets, and the core accretion theory explains how that happens. But ...

Analytical Chemistry Jan 10, 2024

Scientists achieve real-time capture of ionization process and subsequent structural changes

Ions are everywhere, from our daily surroundings to the cosmic expanse. As common table salt (NaCl) dissolves into sodium (Na+) and chloride (Cl-) ions in water, it imparts a salty taste. Once absorbed by the body, these ...

Environment Dec 21, 2023

Opinion: Climate change solutions require collaboration between politicians, scientists and entrepreneurs

Most Canadians agree something should be done about climate change. Yet, even though there is tremendous pressure on politicians to do something, widespread discontent usually follows whatever action they may take.

General Physics Dec 14, 2023

Newly developed material gulps down hydrogen, spits it out, protects fusion reactor walls

University of Wisconsin–Madison engineers have used a spray coating technology to produce a new workhorse material that can withstand the harsh conditions inside a fusion reactor.

Astronomy Dec 13, 2023

Webb identifies tiniest free-floating brown dwarf

Brown dwarfs are sometimes called failed stars, since they form like stars through gravitational collapse, but never gain enough mass to ignite nuclear fusion. The smallest brown dwarfs can overlap in mass with giant planets. ...

Other Dec 2, 2023

Saturday Citations: Adorable kittens, violent pulsars, brand-new fusion reactor and a proposed giant cosmic void

This week in our wrap up, we lull you into a false sense of security with adorable lion cubs then ambush you with terrifying pulsars. We do this not out of a sense of malice but to prepare your mind for the possibility of ...

General Physics Dec 1, 2023

Japanese experimental nuclear fusion reactor inaugurated

The world's biggest experimental nuclear fusion reactor in operation was inaugurated in Japan on Friday, a technology in its infancy but billed by some as the answer to humanity's future energy needs.

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