{"id":25222,"date":"2023-02-22T23:33:19","date_gmt":"2023-02-23T04:33:19","guid":{"rendered":"http:\/\/blog.kenperlin.com\/?p=25222"},"modified":"2023-02-24T13:43:30","modified_gmt":"2023-02-24T18:43:30","slug":"upside-down-part-1","status":"publish","type":"post","link":"http:\/\/blog.kenperlin.com\/?p=25222","title":{"rendered":"Upside down, part 1"},"content":{"rendered":"<p>I was looking at license plates on cars today. Somehow it randomly occurred to me that it would be cool to encode a message upside down in a license plate.<\/p>\n<p>The plate would read like an ordinary jumble of letters and digits. Until, that is, you turned it upside down, and then a secret message would appear.<\/p>\n<p>There are only certain letters and digits that this works for. I think I now have the complete list.<\/p>\n<p>In the chart below, the first line is the character you would use, and the second line is how that character would read when the message is flipped upside down.<\/p>\n<p>The matches aren&#8217;t all perfect, but then they don&#8217;t need to be. The message just needs to be readable:<\/p>\n<p><center><font face=\"courier\"><br \/>\nA b d H I M N n O P q S u V W X Z 3<br \/>\nV q p H I W N u O d b S n A M X Z E<br \/>\n<\/font><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was looking at license plates on cars today. Somehow it randomly occurred to me that it would be cool to encode a message upside down in a license plate. The plate would read like an ordinary jumble of letters and digits. Until, that is, you turned it upside down, and then a secret message &hellip; <a href=\"http:\/\/blog.kenperlin.com\/?p=25222\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Upside down, part 1&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25222"}],"collection":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25222"}],"version-history":[{"count":3,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25222\/revisions"}],"predecessor-version":[{"id":25227,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25222\/revisions\/25227"}],"wp:attachment":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25222"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}