document.write("«&nbsp;<a href='/news/view?id=60529'>The 3-D Printer That Could Finally Change Manufacturing</a>");document.write(" | ");document.write("<a href='/news/view?id=60531'>The Gordian distance of handlebody-knots and Alexander biquandle colorings. (arXiv:1704.07792v1 [math.GT])</a>&nbsp;»");