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Latest Pontus Andersson Stories

2009-08-11 09:59:57

One single atom of a certain isotope of hafnium found on Earth would prove that a supernova once exploded near our solar system. The problem is how to find such an atom - among billions of others. Researchers at the University of Gothenburg, Sweden,  have developed a laser technique that, in combination with standard techniques, may be able to do the job. Hafnium is a common metallic element used in nuclear reactors. However, one of its isotopes is hard to find since it is only made when...


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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