{"id":7991,"date":"2026-04-20T09:46:32","date_gmt":"2026-04-20T09:46:32","guid":{"rendered":"https:\/\/www.phetassociation.com\/?p=7991"},"modified":"2026-04-20T09:46:33","modified_gmt":"2026-04-20T09:46:33","slug":"%e0%b8%9b%e0%b8%a3%e0%b8%b0%e0%b8%8a%e0%b8%b8%e0%b8%a1%e0%b8%84%e0%b8%93%e0%b8%b0%e0%b8%81%e0%b8%a3%e0%b8%a3%e0%b8%a1%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b8%9a%e0%b8%a3%e0%b8%b4%e0%b8%ab%e0%b8%b2-19","status":"publish","type":"post","link":"https:\/\/www.phetassociation.com\/?p=7991","title":{"rendered":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35"},"content":{"rendered":"<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_7991\" class=\"pvc_stats all  \" data-element-id=\"7991\" style=\"\"><i class=\"pvc-stats-icon large\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.phetassociation.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>\n<p>\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 \u0e27\u0e31\u0e19\u0e08\u0e31\u0e19\u0e17\u0e23\u0e4c\u0e17\u0e35\u0e4820\u0e40\u0e21\u0e29\u0e32\u0e22\u0e19 \u0e1e.\u0e28. 2569 \u0e41\u0e25\u0e30\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e43\u0e2b\u0e0d\u0e48\u0e2a\u0e32\u0e21\u0e31\u0e0d\u0e1b\u0e23\u0e30\u0e08\u0e4d\u0e32\u0e1b\u0e35 2569 \u0e41\u0e25\u0e30\u0e21\u0e35\u0e01\u0e32\u0e23\u0e21\u0e2d\u0e1a\u0e0a\u0e38\u0e14\u0e41\u0e02\u0e48\u0e07\u0e02\u0e31\u0e19 \u0e15\u0e23\u0e30\u0e01\u0e23\u0e49\u0e2d \u0e40\u0e07\u0e34\u0e19\u0e17\u0e38\u0e19 \u0e2a\u0e19\u0e31\u0e1a\u0e2a\u0e19\u0e38\u0e19\u0e17\u0e35\u0e21 \u0e40\u0e02\u0e49\u0e32\u0e23\u0e48\u0e27\u0e21\u0e01\u0e32\u0e23\u0e41\u0e02\u0e48\u0e07\u0e02\u0e31\u0e19 \u0e15\u0e23\u0e30\u0e01\u0e23\u0e49\u0e2d \u0e08\u0e31\u0e14\u0e42\u0e14\u0e22 \u0e0a\u0e21\u0e23\u0e21\u0e15\u0e23\u0e30\u0e01\u0e23\u0e49\u0e2d \u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 \u0e13 \u0e2a\u0e21\u0e32\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35  \u0e15\u0e4d\u0e32\u0e1a\u0e25\u0e18\u0e07\u0e0a\u0e31\u0e22 \u0e2d\u0e4d\u0e32\u0e40\u0e20\u0e2d\u0e40\u0e21\u0e37\u0e2d\u0e07 \u0e08\u0e31\u0e07\u0e2b\u0e27\u0e31\u0e14\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7996\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005953-1024x768.jpg\" alt=\"\" class=\"wp-image-7996\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005953-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005953-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005953-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005953.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7992\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005952-1024x768.jpg\" alt=\"\" class=\"wp-image-7992\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005952-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005952-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005952-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005952.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7993\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005951-1024x768.jpg\" alt=\"\" class=\"wp-image-7993\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005951-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005951-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005951-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005951.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7995\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948-1024x768.jpg\" alt=\"\" class=\"wp-image-7995\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7994\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005949-1024x768.jpg\" alt=\"\" class=\"wp-image-7994\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005949-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005949-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005949-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005949.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7999\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005950-1024x768.jpg\" alt=\"\" class=\"wp-image-7999\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005950-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005950-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005950-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005950.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7998\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005944-1024x768.jpg\" alt=\"\" class=\"wp-image-7998\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005944-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005944-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005944-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005944.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"8000\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005943-1024x768.jpg\" alt=\"\" class=\"wp-image-8000\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005943-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005943-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005943-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005943.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"7997\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005946-1024x768.jpg\" alt=\"\" class=\"wp-image-7997\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005946-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005946-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005946-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005946.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"8001\" src=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005945-1024x768.jpg\" alt=\"\" class=\"wp-image-8001\" srcset=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005945-1024x768.jpg 1024w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005945-450x338.jpg 450w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005945-768x576.jpg 768w, https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005945.jpg 1477w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b<\/p>\n","protected":false},"author":1,"featured_media":7995,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[17,15,5],"tags":[],"class_list":["post-7991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-17","category-15","category-5"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 - \u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.phetassociation.com\/?p=7991\" \/>\n<meta property=\"og:locale\" content=\"th_TH\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 - \u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\" \/>\n<meta property=\"og:description\" content=\"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.phetassociation.com\/?p=7991\" \/>\n<meta property=\"og:site_name\" content=\"\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-20T09:46:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T09:46:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1477\" \/>\n\t<meta property=\"og:image:height\" content=\"1108\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"phet-admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"phet-admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u0e19\u0e32\u0e17\u0e35\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991\"},\"author\":{\"name\":\"phet-admin\",\"@id\":\"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37\"},\"headline\":\"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\",\"datePublished\":\"2026-04-20T09:46:32+00:00\",\"dateModified\":\"2026-04-20T09:46:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991\"},\"wordCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37\"},\"image\":{\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg\",\"articleSection\":[\"\u0e01\u0e34\u0e08\u0e01\u0e23\u0e23\u0e21\/\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\",\"\u0e02\u0e48\u0e32\u0e27\u0e2a\u0e32\u0e23\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\",\"\u0e04\u0e27\u0e32\u0e21\u0e23\u0e39\u0e49\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\"],\"inLanguage\":\"th\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991\",\"url\":\"https:\/\/www.phetassociation.com\/?p=7991\",\"name\":\"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 - \u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\",\"isPartOf\":{\"@id\":\"https:\/\/www.phetassociation.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg\",\"datePublished\":\"2026-04-20T09:46:32+00:00\",\"dateModified\":\"2026-04-20T09:46:33+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#breadcrumb\"},\"inLanguage\":\"th\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.phetassociation.com\/?p=7991\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"th\",\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#primaryimage\",\"url\":\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg\",\"contentUrl\":\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg\",\"width\":1477,\"height\":1108},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.phetassociation.com\/?p=7991#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.phetassociation.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.phetassociation.com\/#website\",\"url\":\"https:\/\/www.phetassociation.com\/\",\"name\":\"\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\",\"description\":\"\u0e40\u0e27\u0e47\u0e1b\u0e44\u0e0b\u0e15\u0e4c\u0e02\u0e48\u0e32\u0e27\u0e2a\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e0a\u0e32\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c \u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35\",\"publisher\":{\"@id\":\"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.phetassociation.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"th\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37\",\"name\":\"phet-admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"th\",\"@id\":\"https:\/\/www.phetassociation.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2022\/12\/websym.png\",\"contentUrl\":\"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2022\/12\/websym.png\",\"width\":512,\"height\":526,\"caption\":\"phet-admin\"},\"logo\":{\"@id\":\"https:\/\/www.phetassociation.com\/#\/schema\/person\/image\/\"},\"url\":\"https:\/\/www.phetassociation.com\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 - \u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.phetassociation.com\/?p=7991","og_locale":"th_TH","og_type":"article","og_title":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 - \u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","og_description":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b","og_url":"https:\/\/www.phetassociation.com\/?p=7991","og_site_name":"\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","article_published_time":"2026-04-20T09:46:32+00:00","article_modified_time":"2026-04-20T09:46:33+00:00","og_image":[{"width":1477,"height":1108,"url":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg","type":"image\/jpeg"}],"author":"phet-admin","twitter_card":"summary_large_image","twitter_misc":{"Written by":"phet-admin","Est. reading time":"3 \u0e19\u0e32\u0e17\u0e35"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.phetassociation.com\/?p=7991#article","isPartOf":{"@id":"https:\/\/www.phetassociation.com\/?p=7991"},"author":{"name":"phet-admin","@id":"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37"},"headline":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","datePublished":"2026-04-20T09:46:32+00:00","dateModified":"2026-04-20T09:46:33+00:00","mainEntityOfPage":{"@id":"https:\/\/www.phetassociation.com\/?p=7991"},"wordCount":0,"publisher":{"@id":"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37"},"image":{"@id":"https:\/\/www.phetassociation.com\/?p=7991#primaryimage"},"thumbnailUrl":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg","articleSection":["\u0e01\u0e34\u0e08\u0e01\u0e23\u0e23\u0e21\/\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23","\u0e02\u0e48\u0e32\u0e27\u0e2a\u0e32\u0e23\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23","\u0e04\u0e27\u0e32\u0e21\u0e23\u0e39\u0e49\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b"],"inLanguage":"th"},{"@type":"WebPage","@id":"https:\/\/www.phetassociation.com\/?p=7991","url":"https:\/\/www.phetassociation.com\/?p=7991","name":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35 - \u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","isPartOf":{"@id":"https:\/\/www.phetassociation.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.phetassociation.com\/?p=7991#primaryimage"},"image":{"@id":"https:\/\/www.phetassociation.com\/?p=7991#primaryimage"},"thumbnailUrl":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg","datePublished":"2026-04-20T09:46:32+00:00","dateModified":"2026-04-20T09:46:33+00:00","breadcrumb":{"@id":"https:\/\/www.phetassociation.com\/?p=7991#breadcrumb"},"inLanguage":"th","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.phetassociation.com\/?p=7991"]}]},{"@type":"ImageObject","inLanguage":"th","@id":"https:\/\/www.phetassociation.com\/?p=7991#primaryimage","url":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg","contentUrl":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2026\/04\/1000005948.jpg","width":1477,"height":1108},{"@type":"BreadcrumbList","@id":"https:\/\/www.phetassociation.com\/?p=7991#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.phetassociation.com\/"},{"@type":"ListItem","position":2,"name":"\u0e1b\u0e23\u0e30\u0e0a\u0e38\u0e21\u0e04\u0e13\u0e30\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1a\u0e23\u0e34\u0e2b\u0e32\u0e23\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35"}]},{"@type":"WebSite","@id":"https:\/\/www.phetassociation.com\/#website","url":"https:\/\/www.phetassociation.com\/","name":"\u0e2a\u0e21\u0e32\u0e04\u0e21\u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","description":"\u0e40\u0e27\u0e47\u0e1b\u0e44\u0e0b\u0e15\u0e4c\u0e02\u0e48\u0e32\u0e27\u0e2a\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e0a\u0e32\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c \u0e0a\u0e32\u0e27\u0e40\u0e1e\u0e0a\u0e23\u0e1a\u0e38\u0e23\u0e35","publisher":{"@id":"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.phetassociation.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"th"},{"@type":["Person","Organization"],"@id":"https:\/\/www.phetassociation.com\/#\/schema\/person\/8066c52d6eded38768f3cacc5c029c37","name":"phet-admin","image":{"@type":"ImageObject","inLanguage":"th","@id":"https:\/\/www.phetassociation.com\/#\/schema\/person\/image\/","url":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2022\/12\/websym.png","contentUrl":"https:\/\/www.phetassociation.com\/wp-content\/uploads\/2022\/12\/websym.png","width":512,"height":526,"caption":"phet-admin"},"logo":{"@id":"https:\/\/www.phetassociation.com\/#\/schema\/person\/image\/"},"url":"https:\/\/www.phetassociation.com\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/posts\/7991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7991"}],"version-history":[{"count":1,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/posts\/7991\/revisions"}],"predecessor-version":[{"id":8002,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/posts\/7991\/revisions\/8002"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=\/wp\/v2\/media\/7995"}],"wp:attachment":[{"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.phetassociation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}