shahryc, thanks for posting (and reposting) this story. It&#x27;s some fascinating research. The paper in &quot;<i>Physical Review Applied</i>&quot; (linked in article) is
paywalled, but there is a pre-print version available here:<p><a href="http:&#x2F;&#x2F;arxiv.org&#x2F;abs&#x2F;1503.01493" rel="nofollow">http:&#x2F;&#x2F;arxiv.org&#x2F;abs&#x2F;1503.01493</a>