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 ...

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 ...

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 ...

New report examines molybdenum-99 production and use

Although the current supply of molybdenum-99 and technetium-99m - isotopes used worldwide in medical diagnostic imaging - is sufficient to meet domestic and global demand, changes to the supply chain before year-end could ...

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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