News tagged with radioactive isotope

X-ray illumination of supernova ejecta

(PhysOrg.com) -- Supernovae are the explosive deaths of massive stars, cataclysms that disburse into space the chemical elements produced by nuclear reactions inside the progenitor stars. Understanding chemical enrichment ...

dateJun 24, 2011 in Astronomy
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The importance of fundamental measurements

At the Radioactive Isotope Beam Facility (RIBF) of the RIKEN Nishina Center for Accelerator Science in Wako, a research team has measured the time it takes for 38 extremely rare isotopes to decay by half. This is the first ...

dateMay 04, 2011 in General Physics
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Greenpeace says Chernobyl food radiation persists

(AP) -- Greenpeace said Monday that hundreds of thousands of Ukrainians are still eating food contaminated by radiation from the Chernobyl nuclear power plant explosion a quarter-century after the blast.

dateApr 04, 2011 in Health
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No threat from Japanese radiation spread across US

(AP) -- Traces of radioactive material from the endangered Japanese nuclear plant are being detected from coast to coast in the United States and in Iceland, but amounts continue to be far below levels that would cause health ...

dateMar 28, 2011 in Health
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