Report from the BBC 5 days ago: http://news.ycombinator.com/item?id=1496936 http://news.ycombinator.com/item?id=1496936 Many comments there - this SciAm articl

Report from the BBC 5 days ago: http://news.ycombinator.com/item?id=1496936 http://news.ycombinator.com/item?id=1496936 Many comments there - this SciAm article doesn't appear to add anything extra.