document.write("«&nbsp;<a href='/news/view?id=142882'>Foldscope: A Paper Microscope You Can Attach to Your Smartphone</a>");document.write(" | ");document.write("<a href='/news/view?id=142884'>Generation and analysis of lamplighter programs. (arXiv:1707.02652v2 [cs.DM] UPDATED)</a>&nbsp;»");