{"id":393,"date":"2008-02-22T13:02:34","date_gmt":"2008-02-22T18:02:34","guid":{"rendered":"http:\/\/oranchak.com\/?p=393"},"modified":"2008-02-22T13:02:34","modified_gmt":"2008-02-22T18:02:34","slug":"how-to-hurl-things-at-people","status":"publish","type":"post","link":"http:\/\/www.oranchak.com\/?p=393","title":{"rendered":"How to hurl things at people"},"content":{"rendered":"<p>This week I met someone who recently got to watch the Navy&#8217;s latest <a href=\"http:\/\/en.wikipedia.org\/wiki\/Railgun\">railgun<\/a> test firing in person.<\/p>\n<p><center><br \/>\n<a href=\"http:\/\/oranchak.com\/Railgun_usnavy_2008.jpg\"><img decoding=\"async\" src=\"250px-Railgun_usnavy_2008.jpg\" border=\"0\"><\/a><br \/>\n<i>The flames are caused purely by friction with the air, <b>not<\/b> by any kind of explosive propellant.  Yikes.<\/i><br \/>\n<\/center><\/p>\n<p>The projectile was traveling at <b>5,600 miles per hour<\/b> (Mach 7).  By contrast, a round fired by an average hunting rifle only travels at about 2,000 miles per hour.  The railgun projectile was traveling at Mach 5 when it hit the target.  The railgun has a accuracy range of about 220 miles &#8211; conventional naval weapons have only gotten us to around a tenth of that number.<\/p>\n<p>The YouTube videos of the test firing are insane:<\/p>\n<p><center><br \/>\n<object width=\"425\" height=\"355\"><param name=\"movie\" value=\"http:\/\/www.youtube.com\/v\/ZourRsUsnho&#038;rel=1\"><\/param><param name=\"wmode\" value=\"transparent\"><\/param><embed src=\"http:\/\/www.youtube.com\/v\/ZourRsUsnho&#038;rel=1\" type=\"application\/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"355\"><\/embed><\/object><\/p>\n<p><object width=\"425\" height=\"355\"><param name=\"movie\" value=\"http:\/\/www.youtube.com\/v\/i1q_rRicAwI&#038;rel=1\"><\/param><param name=\"wmode\" value=\"transparent\"><\/param><embed src=\"http:\/\/www.youtube.com\/v\/i1q_rRicAwI&#038;rel=1\" type=\"application\/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"355\"><\/embed><\/object><br \/>\n<\/center><\/p>\n<p>In other hitting-stuff-with-really-fast-stuff news, here&#8217;s the military video of the Navy missile <a href=\"http:\/\/www.washingtonpost.com\/wp-dyn\/content\/article\/2008\/02\/21\/AR2008022102519.html\">blowing up the wayward spy satellite<\/a>:<\/p>\n<p><center><br \/>\n<object width=\"425\" height=\"355\"><param name=\"movie\" value=\"http:\/\/www.youtube.com\/v\/BJzXf9_5GzU&#038;rel=1\"><\/param><param name=\"wmode\" value=\"transparent\"><\/param><embed src=\"http:\/\/www.youtube.com\/v\/BJzXf9_5GzU&#038;rel=1\" type=\"application\/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"355\"><\/embed><\/object><br \/>\n<\/center><\/p>\n<p><a href=\"http:\/\/dvice.com\/archives\/2008\/02\/the_navy_shows.php\">Article<\/a> | <a href=\"http:\/\/crave.cnet.com\/8301-1_105-9863174-1.html\">Article<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This week I met someone who recently got to watch the Navy&#8217;s latest railgun test firing in person. The flames are caused purely by friction with the air, not by any kind of explosive propellant. Yikes. The projectile was traveling &hellip; <a href=\"http:\/\/www.oranchak.com\/?p=393\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,21,35],"tags":[],"class_list":["post-393","post","type-post","status-publish","format-standard","hentry","category-defense","category-news","category-tech"],"_links":{"self":[{"href":"http:\/\/www.oranchak.com\/index.php?rest_route=\/wp\/v2\/posts\/393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.oranchak.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.oranchak.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.oranchak.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.oranchak.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=393"}],"version-history":[{"count":0,"href":"http:\/\/www.oranchak.com\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.oranchak.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.oranchak.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.oranchak.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}