{"id":519,"date":"2008-07-02T01:26:00","date_gmt":"2008-07-02T06:26:00","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=519"},"modified":"2008-07-02T01:26:00","modified_gmt":"2008-07-02T06:26:00","slug":"round-as-a-babys-nodule","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/519","title":{"rendered":"Round as a Baby&#039;s . . . Nodule"},"content":{"rendered":"<p><a href=\"http:\/\/technology.newscientist.com\/article\/dn14229-roundest-objects-in-the-world-created.html\">Roundest objects in the world created<\/a><\/p>\n<blockquote><p>[A]n international group of engineers and craftsmen has . . . built a pair of nearly perfect spheres that are thought to be the roundest objects in the world.<\/p>\n<p>The unusual balls, discussed last week at the SPIE Astronomical Telescopes and Instrumentation conference in France, were created as an answer to the &#8220;kilogram problem&#8221;.<\/p><\/blockquote>\n<p>High purity Si-28, and they hope to count the number of atoms to define the kilogram.  With no danger to the pergium miners on Janus VI.<\/p>\n<blockquote><p>But even if all of the Avogadro Project&#8217;s research teams arrive at the same number of silicon atoms in each sphere, it&#8217;s far from clear that the International Committee for Weights and Measures will take up their definition.<br \/>\n[&#8230;]<br \/>\nThese million-dollar spheres may be the roundest in the world, but will they be round enough?\n<\/p><\/blockquote>\n<p>One of the issues with international standards is that individual standards labs each want to be able to realize the standard.  It&#8217;s not only a matter of having the absolute best measurement.  If you make it too technologically advanced or involved, so it&#8217;s only within the grasp of a few labs, it&#8217;s not likely to be adopted.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Roundest objects in the world created [A]n international group of engineers and craftsmen has . . . built a pair of nearly perfect spheres that are thought to be the roundest objects in the world. The unusual balls, discussed last &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/519\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,40],"tags":[],"class_list":["post-519","post","type-post","status-publish","format-standard","hentry","category-physics","category-politics"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/comments?post=519"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/519\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=519"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}