{"id":25329,"date":"2012-01-12T15:49:47","date_gmt":"2012-01-12T22:49:47","guid":{"rendered":"http:\/\/hill-kleerup.org\/blog\/2012\/01\/12\/defining-the-kilogram.html"},"modified":"2012-01-12T18:15:23","modified_gmt":"2012-01-13T01:15:23","slug":"defining-the-kilogram","status":"publish","type":"post","link":"https:\/\/hill-kleerup.org\/blog\/2012\/01\/12\/defining-the-kilogram.html","title":{"rendered":"Defining the Kilogram"},"content":{"rendered":"<p>What <i>is<\/i> a kilogram?  How is it defined? The answer is changing, and for very interesting reasons. #ddtb<\/p>\n<p style='clear:both;'>\n<p style='margin-bottom:5px;'><strong>Embedded Link<\/strong><\/p>\n<div style='height:120px;width:120px;overflow:hidden;float:left;margin-top:0px;padding-top:0px;margin-right:10px;vertical-align:top;text-align:center;clear:both;'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img style='max-width:none;' src='http:\/\/images0-focus-opensocial.googleusercontent.com\/gadgets\/proxy?container=focus&#038;gadget=a&#038;resize_h=100&#038;url=http%3A%2F%2Fwww.wired.com%2Fmagazine%2Fwp-content%2Fimages%2F19-10%2Fff_kilogram_f.jpg' border='0' \/>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t<a href='http:\/\/www.wired.com\/magazine\/2011\/09\/ff_kilogram\/all\/1'>\u00bb The Search for a More Perfect Kilogram<\/a><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tSomehow, the perfect kilogram, locked in a vault in Paris, is getting lighter. Can science find a more reliable standard?\n\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<p style='clear:both;'>\n","protected":false},"excerpt":{"rendered":"<p>What is a kilogram? How is it defined? The answer is changing, and for very interesting reasons. #ddtb Embedded Link \u00bb The Search for a More Perfect Kilogram Somehow, the perfect kilogram, locked in a vault in Paris, is getting lighter. Can science find a more reliable standard?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[106,6],"tags":[107],"class_list":["post-25329","post","type-post","status-publish","format-standard","hentry","category-plusposts","category-science","tag-ddtb"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":136,"url":"https:\/\/hill-kleerup.org\/blog\/2003\/06\/10\/the_unbearable.html","url_meta":{"origin":25329,"position":0},"title":"The unbearable lightness of &#8230; weight","author":"***Dave","date":"Tue 10-Jun-03 7:43am","format":false,"excerpt":"While most units of measurement have been converted into reproducable formulae -- a meter is the distance light travels in a vacuum in 1\/299,792,458 of a second, a second is...","rel":"","context":"In &quot;Science &amp; Nature&quot;","block_context":{"text":"Science &amp; Nature","link":"https:\/\/hill-kleerup.org\/blog\/category\/science"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":153528,"url":"https:\/\/hill-kleerup.org\/blog\/2021\/03\/07\/still-chatty-after-all-these-years.html","url_meta":{"origin":25329,"position":1},"title":"Still chatty after all these years","author":"***Dave","date":"Sun 7-Mar-21 12:30am","format":false,"excerpt":"The Stupid Evil Podcast is ... well, it was fun.","rel":"","context":"In &quot;DDtB-SEB Podcasts&quot;","block_context":{"text":"DDtB-SEB Podcasts","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/podcasts\/ddtb-seb-podcasts"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2021\/03\/still-chatty-after-all-these-years-f7WYuWsxxqQ.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2021\/03\/still-chatty-after-all-these-years-f7WYuWsxxqQ.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2021\/03\/still-chatty-after-all-these-years-f7WYuWsxxqQ.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2021\/03\/still-chatty-after-all-these-years-f7WYuWsxxqQ.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2021\/03\/still-chatty-after-all-these-years-f7WYuWsxxqQ.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":136275,"url":"https:\/\/hill-kleerup.org\/blog\/2018\/05\/06\/and-lo-there-shall-come-another-seb-podcast.html","url_meta":{"origin":25329,"position":2},"title":"And, lo, there shall come another SEB Podcast!","author":"***Dave","date":"Sun 6-May-18 2:56pm","format":false,"excerpt":"It's been an astonishing three years since +Les Jenkins and I did one of his Stupid Evil Bastard podcasts (the biggest takeaway from which was that it had been three years since we previously did it, and that was clearly way, way too long). Anyway, if you've ever wanted to\u2026","rel":"","context":"In &quot;~PlusPosts&quot;","block_context":{"text":"~PlusPosts","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/plusposts"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2018\/05\/les-jenkins.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2018\/05\/les-jenkins.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2018\/05\/les-jenkins.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2018\/05\/les-jenkins.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":127704,"url":"https:\/\/hill-kleerup.org\/blog\/2015\/08\/25\/happy-blogaversary-to-me.html","url_meta":{"origin":25329,"position":3},"title":"Happy Blogaversary to Me","author":"***Dave","date":"Tue 25-Aug-15 7:03am","format":false,"excerpt":"My blog is fourteen years old today. \u00a0Well, yesterday, actually. It was kind of a busy day. I started my blog, alas, after the birth of my daughter (who was a year and a half old then), but just in time (also alas) for 9\/11. And it's been running long\u2026","rel":"","context":"In &quot;Blogging &amp; Internet&quot;","block_context":{"text":"Blogging &amp; Internet","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hill-kleerup.org\/blog\/wp\/wp-content\/uploads\/2015\/08\/keep-calm-and-blog-on.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":26774,"url":"https:\/\/hill-kleerup.org\/blog\/2012\/02\/29\/more-leap-year-calendaric-goodness.html","url_meta":{"origin":25329,"position":4},"title":"More Leap Year Calendaric Goodness","author":"***Dave","date":"Wed 29-Feb-12 10:04pm","format":false,"excerpt":"Measure time gets pretty goofy sometimes. #ddtb Embedded Link How the Quest for the Perfect Calendar Accidentally Created February 30 A year is almost exactly 365 days...almost, but not quite. For millennia, people have tried to create calendars that account for that \"not quite\" bit.","rel":"","context":"In &quot;~PlusPosts&quot;","block_context":{"text":"~PlusPosts","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/plusposts"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":24987,"url":"https:\/\/hill-kleerup.org\/blog\/2012\/01\/01\/because-science-is-cool.html","url_meta":{"origin":25329,"position":5},"title":"Because science is COOL","author":"***Dave","date":"Sun 1-Jan-12 9:25am","format":false,"excerpt":"Literally cool, in this case. #ddtb","rel":"","context":"In &quot;~PlusPosts&quot;","block_context":{"text":"~PlusPosts","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/plusposts"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts\/25329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/comments?post=25329"}],"version-history":[{"count":0,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts\/25329\/revisions"}],"wp:attachment":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/media?parent=25329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/categories?post=25329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/tags?post=25329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}