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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
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
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