News tagged with correlation

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What spooks the stock market in October?

(PhysOrg.com) -- October ushers in the fourth quarter, falling leaves, football and in some, now infamous, years, financial meltdowns. Is the tenth month of the year more prone to stock market crashes than others? Economics ...

Oct 05, 2009
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Solving the phase problem in x-ray diffraction

(PhysOrg.com) -- Nearly 100 years ago, in 1912, a paper by Max von Laue made it possible to use x-rays to study the structure of different crystalline substances. He won a Nobel Prize in 1914 for his work, but, even so, the ...

Aug 26, 2009 feature
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Multi-laboratory study sizes up nanoparticle sizing

As a result of a major inter-laboratory study, the standards body ASTM International has been able to update its guidelines for a commonly used technique for measuring the size of nanoparticles in solutions. The study, which ...

Aug 11, 2009
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