<div dir="ltr"><div class="gmail_default"><p class="gmail-p1"><font size="4">The cover story in the journal Science that came out yesterday (Jan 19 2018) is about a 25-nanometer-long robotic arm that can move things with 2.5 nanometer precise that is at least five orders of magnitude faster than anything made before. The authors say in addition to constructing stuff the arm could be used as mechanical memory just as in Babbage’s 19th century Analytical Engine, only about a billion times smaller.<br><br>I think anyone can get to this page but you may need to login to read the article itself:</font></p><p class="gmail-p1"><a href="http://science.sciencemag.org/content/359/6373/279.full" style="font-family:arial,helvetica,sans-serif">http://science.sciencemag.org/content/359/6373/279.full</a></p><p class="gmail-p1"><font size="4">John K Clark</font></p>
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