{"id":1795,"date":"2009-03-11T04:03:50","date_gmt":"2009-03-11T09:03:50","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=1795"},"modified":"2009-03-11T04:03:50","modified_gmt":"2009-03-11T09:03:50","slug":"a-bootstrapping-problem","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/1795","title":{"rendered":"A Bootstrapping Problem"},"content":{"rendered":"<p>My glasses fell apart while I was attempting to clean them.  The little tiny screw fell out, so the lens was no longer in a captive state, and the carpet in my office is not designed to make nanoscrews stand out to the casual (or even interested) observer, especially if you can&#8217;t wear your corrective lenses.  Searching on hands-and-knees while holding a flashlight is a pain to do while simultaneously holding a lens in place.<\/p>\n<p>Hence the conundrum.  How do you find the screw, and fix your glasses, if you need glasses to see things like that?<\/p>\n<p>A search, even while wearing my old (i.e. backup) glasses, revealed nothing.  CSI training to the rescue!  I took the dustbuster and emptied it and vacuumed around where I had been sitting.  Then I opened it up and discovered the screw, along with a bunch of other stuff \u2014 I&#8217;ll be generous and say the custodial staff&#8217;s vacuuming efforts under the desk aren&#8217;t efficient because of space restrictions, rather than curse them for not bothering to vacuum under the desk.  (I also discovered that my chocolate-chip granola bars have been shedding chips at a higher rate than I had thought, but these defectors had been camouflaged by the carpeting in low-light conditions)<\/p>\n<p>Here&#8217;s the screw<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blogs.scienceforums.net\/swansont\/files\/2009\/03\/nanoscrew.jpg\" alt=\"nanoscrew\" width=\"496\" height=\"432\" class=\"alignnone size-full wp-image-1798\" srcset=\"http:\/\/blogs.scienceforums.net\/swansont\/wp-content\/uploads\/sites\/4\/2009\/03\/nanoscrew.jpg 496w, http:\/\/blogs.scienceforums.net\/swansont\/wp-content\/uploads\/sites\/4\/2009\/03\/nanoscrew-300x261.jpg 300w\" sizes=\"auto, (max-width: 496px) 100vw, 496px\" \/><\/p>\n<p>(Just kidding.  That&#8217;s a novelty dime, about 3&#8243; across)<\/p>\n<p>So, success.  I later checked and found that the screw is indeed ferromagnetic, but since the frames are Titanium, I wasn&#8217;t sure that a magnet would be a useful tool.  My backup plan was to take a screw out of my backup glasses.  The backup glasses themselves only represent a bare minimum of vision redundancy, because they are not bifocals.  The few minutes of wearing them was a stark reminder of how crappy my near-field vision is \u2014 they were essentially no help at all in doing the repair work.<\/p>\n<p>One other bootstrapping problem that confronts many physicists is this:  <em>I can&#8217;t function without my morning coffee.  How do you make coffee without having had any coffee? <\/em>  Luckily I partake of caffeine in <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/137\">can form<\/a> (artificially-sweetened), thus avoiding that issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My glasses fell apart while I was attempting to clean them. The little tiny screw fell out, so the lens was no longer in a captive state, and the carpet in my office is not designed to make nanoscrews stand &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/1795\">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":[25],"tags":[],"class_list":["post-1795","post","type-post","status-publish","format-standard","hentry","category-lab-stories"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/1795","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=1795"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/1795\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=1795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=1795"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=1795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}