Cited story: <a href="https:&#x2F;&#x2F;www.ethz.ch&#x2F;en&#x2F;news-and-events&#x2F;eth-news&#x2F;news&#x2F;2016&#x2F;02&#x2F;Switching-light-on-and-off-with-silver-atom.html" rel="nofollow">https:&#x2F;&#x2F;www.ethz.ch&#x2F;en&#x2F;news-and-events&#x2F;eth-news&#x2F;news&#x2F;2016&#x2F;02...</a>