{"id":1383,"date":"2007-09-11T13:45:20","date_gmt":"2007-09-11T17:45:20","guid":{"rendered":"http:\/\/blog.rebang.com\/?p=1383"},"modified":"2007-10-04T10:23:18","modified_gmt":"2007-10-04T14:23:18","slug":"of-molecules-and-granules","status":"publish","type":"post","link":"https:\/\/blog.rebang.com\/?p=1383","title":{"rendered":"Of Molecules and Granules"},"content":{"rendered":"<p>Couple of interesting <em>bits<\/em> today. Over on C|Net there&#8217;s nanotech-related news. In <a href=\"http:\/\/msn-cnet.com.com\/IBM+prints+with+molecules\/2100-1008_3-6207114.html?part=rss&#038;tag=2547-1_3-0-5&#038;subj=news\">&#8220;IBM prints with molecules&#8221; (Link)<\/a> we have a follow-on by what sounds like the same group of scientists to <a href=\"http:\/\/msn-cnet.com.com\/HP+touts+new+mold+for+the+chip+industry\/2100-1008_3-6180595.html\">an earlier demonstration<\/a> of a nano-scale &#8220;mass production&#8221; process. From the article:<\/p>\n<blockquote><p>The pattern on the solid substrate then can be exploited in a number of ways, according to Heiko Wolf, researcher in nano-patterning at the IBM Zurich Research Laboratory. It can be used to mass-produce patterns.<br \/>\n&#8230;<!--more--><br \/>\nAnother experimental technique for ordering particles is nano imprinting, in which a signet-ring-like mold is pressed into a layer of materials. This technique can produce lines that measure only a few nanometers wide.<br \/>\n&#8230;<br \/>\nControlling the placement of particles is a fundamental building block for nanotechnology.<\/p><\/blockquote>\n<p>Worth reading the whole article. The self-assembly stuff, in particular, is pretty cool.<\/p>\n<p>Meanwhile, over on the RepRap blog there&#8217;s <a href=\"http:\/\/blog.reprap.org\/2007\/09\/extruding-from-granules.html\">an entry (Link)<\/a> related to a <a href=\"http:\/\/fabathome.org\/wiki\/index.php?title=Fab%40Home:Fabbers_of_the_World#School_of_Mechanical_Engineering.2C_University_of_Adelaide.2C_Australia\">Fab@Home effort (Link)<\/a> to use plastic pellets as they&#8217;re most commonly made available: in pellet form. That of course means revisiting some of the early injection molded-style auger solutions&#8230; which is what Dr. Bowyer has done\/is doing.<\/p>\n<p>I&#8217;m glad they&#8217;re revisiting materials that are more readily available; including, as one commenter noted, being able to &#8220;chop up old [plastic] parts and waste material into similarly-sized pieces and recycle them&#8221;. This is something in which I&#8217;m particularly interested, so I&#8217;ll be watching these developments closely.<\/p>\n<p>{<strong>Update:<\/strong> <a href=\"http:\/\/arstechnica.com\/news.ars\/post\/20070911-nanoscale-printing-better-nanowires-through-100000-dpi-printing.html\">Ars Technica has a write-up (Link)<\/a> on this news and provides a more clear explanation of the process.}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Couple of interesting bits today. Over on C|Net there&#8217;s nanotech-related news. In &#8220;IBM prints with molecules&#8221; (Link) we have a follow-on by what sounds like the same group of scientists to an earlier demonstration of a nano-scale &#8220;mass production&#8221; process. &hellip; <a href=\"https:\/\/blog.rebang.com\/?p=1383\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1383","post","type-post","status-publish","format-standard","hentry","category-administrative"],"_links":{"self":[{"href":"https:\/\/blog.rebang.com\/index.php?rest_route=\/wp\/v2\/posts\/1383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.rebang.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.rebang.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.rebang.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.rebang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1383"}],"version-history":[{"count":0,"href":"https:\/\/blog.rebang.com\/index.php?rest_route=\/wp\/v2\/posts\/1383\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.rebang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rebang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rebang.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}