New type of nuclear fission discovered

(PhysOrg.com) -- Nuclear fission, or the splitting of a heavy nucleus, usually results in symmetrical fragments of the same mass. Physicists attribute the few known examples of fission that is asymmetric to the formation ...

Microrobots clean up radioactive waste

According to some experts, nuclear power holds great promise for meeting the world's growing energy demands without generating greenhouse gases. But scientists need to find a way to remove radioactive isotopes, both from ...

Lab confirms new commercial method for producing medical isotope

The effort to secure a stable, domestic source of a critical medical isotope reached an important milestone this month as the U.S. Department of Energy's (DOE) Argonne National Laboratory demonstrated the production, separation ...

Uranium isotopes reveal age and origin of volcanic rocks

From the beginning of time, uranium has been part of the Earth and, thanks to its long-lived radioactivity, it has proven ideal to date geological processes and deduce Earth's evolution. Natural uranium consists of two long-lived ...

Researchers use new technique to date CAIs and chondrules

(Phys.org)—Researchers working out of the University of Copenhagen have published a paper in the journal Science in which they claim that a new method of dating chondrules and calcium-aluminum–rich inclusions (CAIs) is ...

Scientists refine Earth's clock

New research has revealed that some events in Earth's history happened more recently than previously thought.

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