{"id":8120,"date":"2013-09-20T13:05:18","date_gmt":"2013-09-20T05:05:18","guid":{"rendered":"http:\/\/www.intmath.com\/blog\/?p=8120"},"modified":"2013-07-21T13:07:28","modified_gmt":"2013-07-21T05:07:28","slug":"friday-math-movie-imaginary-number","status":"publish","type":"post","link":"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-imaginary-number-8120","title":{"rendered":"Friday math movie: Imaginary Number"},"content":{"rendered":"<p>I remember being blown away by the idea of imaginary numbers when I first came across them. How can you possibly use a number that does not exist? How can you square a number and end up with a negative number?<\/p>\n<p>For some background, see <a href=\"https:\/\/www.intmath.com\/complex-numbers\/imaginary-numbers-intro.php\">Complex Numbers<\/a>.<\/p>\n<p>This short video (4 min 36 sec) is one of the series <a href=\"http:\/\/www.sixtysymbols.com\/\">Sixty Symbols<\/a>, videos about the symbols of physics and astronomy from the University of Nottingham.<\/p>\n<div class=\"videoBG\">\n<iframe title=\"YouTube video player\" width=\"480\" height=\"303\" src=\"https:\/\/www.youtube.com\/embed\/EIstpPXKWng\" frameborder=\"0\" allowfullscreen><\/iframe>\n<\/div>\n<p class=\"alt\"><a href=\"#respond\" id=\"comms\">Be the first to comment<\/a> below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-imaginary-number-8120\"><img loading=\"lazy\" src=\"\/blog\/wp-content\/images\/2013\/07\/imaginary.gif\" alt=\"Imaginary numbers\" width=\"128\" height=\"100\" class=\"imgRt\" \/><\/a><br \/>\nImaginary numbers are the result of some mathematical creativity, but have many applications in science and engineering.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":""},"categories":[105],"tags":[],"_links":{"self":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/8120"}],"collection":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/comments?post=8120"}],"version-history":[{"count":0,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/8120\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/media?parent=8120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/categories?post=8120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/tags?post=8120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}