Top 10 Breakthroughs of the Year in physics for 2025 revealed – Physics World
Top 10 Breakthroughs of the Year in physics for 2025 revealed – Physics World Skip to main content…
No sterile neutrinos after all, say MicroBooNE physicists
Since the 1990s, physicists have pondered the tantalizing possibility of an exotic fourth type of neutrino, dubbed the…
Something’s Seriously Wrong with the Universe—Gravitational Lenses Expose New Clues
The latest measurements of the Hubble constant—a crucial value in understanding cosmic expansion—have deepened the mystery, highlighting a…
A Supermassive Black Hole That Behaves Like The Sun
Astronomers have found a unique blast coming from a distant supermassive black hole (SMBH). The SMBH is in…
Astronomers observe a coronal mass ejection from a distant star – Physics World
Astronomers observe a coronal mass ejection from a distant star – Physics World Skip to main content Discover…
Is the universe ending sooner than we thought? New physics suggests a much shorter lifespan |
New physics reveals detailed calculations showing the universe’s end may come far sooner than expected, with an exact…
Here’s how to levitate something without magic
acoustic: Having to do with sound or hearing. arachnid: A group of invertebrate animals that includes spiders, scorpions,…
New gravitational lens measurements reveal a faster expansion rate for the universe
For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned…
World’s largest fusion device solves key plasma heat loss challenge
For decades, physicists have been puzzled by a phenomenon inside fusion reactors that defies conventional theory: heat escaping…
![FIG. 1. (a) Cut-away rendering of the 229ThO2 target mount. Arrows denote front aperture, window, target, and pyroelectric detector. (b) Rendering of the spectroscopy chamber. (Magenta arrow) Direction of VUV laser propagation. (Yellow arrows) IC electron trajectories from target to detection MCP. (Blue arrows) Background photoelectrons generated from VUV scatter diverted to secondary electrode. (Green arrow) Direction of static B-field used to guide IC electrons. (c) α-spectrum of the 229ThO2 target. (Inset) Photograph of 229ThO2 target used in this study. The peak labeled to 4845 keV corresponds to the dominant α-decay mode of 229Th. The other large peaks correspond to the α-decays of daughter nuclei. The 229Th peak had a FWHM of ∼22 keV, consistent with energy loss through a ∼10 nm sample, as estimated with SRIM [38].](https://www.europesays.com/uk/wp-content/uploads/2025/12/1920_nuclearclockgraphic-380x220.png)
The world’s most precise nuclear clock ticks closer to reality
Crucially, it shows that thorium-229 can be studied inside far more common materials than previously thought, removing one…