A fluorite crystal containing atoms of the radioactive element thorium-229. It was used to precisely measure the absorption spectrum of atomic nuclei at the National Metrology Institute of Germany ...
In a groundbreaking study, physicists have developed a new method for detecting dark matter, an invisible substance believed to account for around 80% of the universe’s mass. Using thorium-229, a ...
The risk of nuclear war and the threat of climate change have caused the Bulletin of the Atomic Scientists to move the Doomsday Clock 30 seconds closer to catastrophe to two minutes to midnight. This ...
CHICAGO -- The Doomsday Clock has been set to its closest time to midnight in its history, the Bulletin of the Atomic Scientists announced Tuesday. The clock has now been set to 90 seconds to midnight ...
Eighty years after the U.S. dropped atomic bombs on Hiroshima and Nagasaki, experts are warning that the world may once again be facing a similar danger. Tensions between the United States, Russia, ...
The clock is so reliable that it would be off by less than a second if it had started running 100 million years ago, researchers say. A new atomic clock is one of the world’s best timekeepers, ...
The anti-nuclear power movement in the United States peaked in 1979, with widespread protests, the “No Nukes” concert in New York City, and the release of The China Syndrome, the gripping film about a ...
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