Jeremiah Ostriker, Who Plumbed Dark Forces That Shape Universe, Dies at 87
There’s more to the universe than meets the eye, he found. His studies led astronomy to the dark side, changing our view of ...
Interesting Engineering5d
China’s next-gen HL-3 tokamak achieves dual 210 million °F milestone in a first
The latest experiments with China's HL-3 fusion reactor have set multiple national records and yielded groundbreaking, ...
Inside the Race to Build the Most Precise Clock in the Universe
A revolutionary timekeeping breakthrough could be on the horizon as scientists explore the thorium-229 nuclear optical clock, ...
AZoQuantum5d
The Ticking of Thorium Nuclear Optical Clocks
In a perspective article recurrently published in the National Science Review, Dr Xin Tong (Innovation Academy for Precision ...
Interesting Engineering8d
US scientists freeze nuclear clock tech at -189°F to rewrite future of timekeeping
Work on the nuclear clock is being carried out by scientists at JILA, led by JILA and NIST Fellow and University of Colorado Boulder physics professor Jun Ye, in collaboration with the Technical ...
WPTZ16d
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...
Time17d
Science: Atomic Five-Year Plan
While its weaponeers are at work in the Pacific (see NATIONAL AFFAIRS), the Atomic Energy Commission ... that it cannot be approached by humans. Thorium Breeder. The most radical of the reactors ...
CNN18d
Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...
Electronics Weekly20d
Stepping beyond atomic clocks
En-route to nuclear clocks, researchers have found a resonant mode in thorium atom nuclei with a low temperature coefficient – nuclear oscillators are mooted initially as replacements for atomic ...
SciTech Daily20d
A Nuclear Clock So Precise It Could Redefine Time Itself
Credit: Steven Burrows/JILA JILA researchers are pioneering a nuclear clock using thorium-229, which offers unprecedented stability compared to atomic clocks. By embedding thorium into a solid-state ...
Armed robbery in Revesby20d
Precision Nuclear Timekeeping Temperature Set
For one effect, as the crystal warmed, it expanded, subtly altering the atomic lattice and shifting the electric field gradients experienced by the thorium nuclei ... control increasing shares of the ...
Science Daily22d
Dialing in the temperature needed for precise nuclear timekeeping
For one effect, as the crystal warmed, it expanded, subtly altering the atomic lattice and shifting the electric field gradients experienced by the thorium nuclei. This electric field gradient ...