Friday, July 6, 2012

"how many atoms do you need to cast a shadow?"

http://www.cosmosmagazine.com/news/5756/scientists-capture-world%E2%80%99s-first-atom-shadow


Scientists capture world’s first atom shadow

Wednesday, 4 July 2012



"BRISBANE: Scientists have captured the first ever image of an atom shadow, which could assist in the development of quantum computing and provide answers for the future of biological imaging.
Researchers from the Centre for Quantum Dynamics at Griffith University in Brisbane, Queensland, captured the image using their custom-built ion trap, which was also responsible for capturing the highest-resolution image of a single atom last year.
“The question is, how many atoms do you need to cast a shadow? We found that it only takes one,” said David Kielpinski co-author of the paper, which was published in Nature Communications."

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