{"id":340,"date":"2022-03-11T21:52:40","date_gmt":"2022-03-11T21:52:40","guid":{"rendered":"https:\/\/2022.robocupjunior.eu\/rcj\/?page_id=340"},"modified":"2022-06-27T15:13:21","modified_gmt":"2022-06-27T15:13:21","slug":"ofi-25-ilusoes-de-otica","status":"publish","type":"page","link":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/oficinas\/luz-e-imagem\/ofi-25-ilusoes-de-otica\/","title":{"rendered":"Ilus\u00f5es de \u00d3tica"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\"><figure class=\"wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1400\" height=\"729\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/05\/Optical_Illusions_4.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" style=\"object-fit:cover;\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/05\/Optical_Illusions_4.png 1400w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/05\/Optical_Illusions_4-300x156.png 300w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/05\/Optical_Illusions_4-1024x533.png 1024w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/05\/Optical_Illusions_4-768x400.png 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;flex-basis:20%\">\n<!-- START Kaya QR Code Generator --><div class=\"wpkqcg_qrcode_wrapper\"><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_4569d6e7dfd70b141_ecclevel\" value=\"L\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_4569d6e7dfd70b141_size\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_4569d6e7dfd70b141_color\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_4569d6e7dfd70b141_bgcolor\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_4569d6e7dfd70b141_content\" value=\"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/340\" \/><img decoding=\"async\" src=\"\" id=\"wpkqcg_qrcode_outputimg_4569d6e7dfd70b141\" alt=\"QR Code\" class=\"wpkqcg_qrcode\" style=\"width: auto; height: auto; max-width: 100%;\" ><div style=\"clear: none;\"><\/div><\/div><!-- END Kaya QR Code Generator -->\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Ilus\u00f5es de \u00d3tica<\/h2>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Ilus\u00f5es de \u00d3tica\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/J7iFx-Uv2I4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>A palavra ilus\u00e3o deriva do latim illudere, que significa &#8220;escarnecer&#8221;. Estas ilus\u00f5es enganam as nossas mentes, levando-as a acreditar em algo diferente do que est\u00e1 realmente a acontecer.<\/p>\n\n\n\n<p><strong>Componentes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Conjunto de cartas com ilus\u00f5es de \u00f3ptica<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Princ\u00edpio de funcionamento:<\/h2>\n\n\n\n<p>Durante milhares de anos, as pessoas t\u00eam sido fascinadas por ilus\u00f5es de \u00f3ptica. Os romanos criaram mosaicos 3D para as suas habita\u00e7\u00f5es, os gregos utilizaram a perspectiva para criar pante\u00f5es maravilhosos.  Na figura abaixo se olharmos de perto, podemos ver ora uma ta\u00e7a Paleol\u00edtica ora duas pessoas de frente uma para a outra. Cor, contraste, forma, tamanho, luz, padr\u00e3o e perspectiva s\u00e3o todos usados em ilus\u00f5es \u00f3pticas para fazer o seu c\u00e9rebro enlouquecer.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"208\" height=\"242\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical2.png\" alt=\"\" class=\"wp-image-341\"\/><\/figure>\n\n\n\n<p>Entre os seus olhos e o seu c\u00e9rebro, muito pode ser perdido na tradu\u00e7\u00e3o. \u00c9 verdade que os dois sistemas, na sua maioria, funcionam bem em conjunto. Os seus olhos tiram uma miscel\u00e2nea de imagens e o seu c\u00e9rebro coloca-as em contexto, encaixando o puzzle em algo que faz sentido. Por vezes os seus olhos comunicam vis\u00f5es perplexas, e o seu c\u00e9rebro, ao tentar decifr\u00e1-las, interpreta os sinais de forma completamente errada.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical3-300x300.png\" alt=\"\" class=\"wp-image-342\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical3-300x300.png 300w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical3-150x150.png 150w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical3.png 763w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Os padr\u00f5es s\u00e3o um obst\u00e1culo comum para as pessoas. Como se pode ver na ilus\u00e3o acima, o seu c\u00e9rebro n\u00e3o gosta quando as imagens quebram os padr\u00f5es. Uma outra ilus\u00e3o ocorre  com o uso de cores: a mesma cor pode parecer radicalmente diferente quando vista contra fundos variados. Lembra-se do famoso vestido da Internet? \u00c9 preto e azul para uns e \u00e9 branco e dourado para outros.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"199\" height=\"300\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical4-199x300.png\" alt=\"\" class=\"wp-image-344\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical4-199x300.png 199w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/optical4.png 418w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Instru\u00e7\u00f5es:<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Pode ver exemplos destes tipos distintos de ilus\u00f5es \u00f3pticas com o baralho de cartas: <strong>movimento ilus\u00f3rio<\/strong> (imagens que parecem mover-se), <strong>imagens duplas<\/strong> (gr\u00e1ficos que cont\u00eam duas fotografias numa s\u00f3), e <strong>coisas imposs\u00edveis <\/strong>(imagens que fazem sentido no papel mas que nunca poderiam existir na vida real!) Pode dizer para cada imagem que tipo de ilus\u00e3o \u00f3ptica \u00e9?<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Links:<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.wired.com\/2015\/10\/optical-illusions-like-make-brain-go-haywire\/\">https:\/\/www.wired.com\/2015\/10\/optical-illusions-like-make-brain-go-haywire\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.littlepassports.com\/blog\/science\/optical-illusions-art-gallery\/\">https:\/\/www.littlepassports.com\/blog\/science\/optical-illusions-art-gallery\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.vox.com\/science-and-health\/20978285\/optical-illusion-science-humility-reality-polarization\">https:\/\/www.vox.com\/science-and-health\/20978285\/optical-illusion-science-humility-reality-polarization<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=llLVk2fqylA\">https:\/\/www.youtube.com\/watch?v=llLVk2fqylA<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=_t2ePlwTeBQ\">https:\/\/www.youtube.com\/watch?v=_t2ePlwTeBQ<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=uTCJuwZpimk\">https:\/\/www.youtube.com\/watch?v=uTCJuwZpimk<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.creativebloq.com\/features\/optical-illusions\">https:\/\/www.creativebloq.com\/features\/optical-illusions<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uk.pcmag.com\/software\/34428\/21-optical-illusions-that-prove-your-brain-sucks\">https:\/\/uk.pcmag.com\/software\/34428\/21-optical-illusions-that-prove-your-brain-sucks<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.rd.com\/article\/optical-illusions\/\">https:\/\/www.rd.com\/article\/optical-illusions\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.rd.com\/article\/optical-illusions\/\">https:\/\/www.rd.com\/article\/optical-illusions\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A palavra ilus\u00e3o deriva do latim illudere, que significa &#8220;escarnecer&#8221;. Estas ilus\u00f5es enganam as nossas mentes, levando-as a acreditar em algo diferente do que est\u00e1 realmente a acontecer. Componentes: Conjunto de cartas com ilus\u00f5es de \u00f3ptica Princ\u00edpio de funcionamento: Durante milhares de anos, as pessoas t\u00eam sido fascinadas por ilus\u00f5es de \u00f3ptica. Os romanos criaram [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":715,"parent":231,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-340","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/comments?post=340"}],"version-history":[{"count":6,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/340\/revisions"}],"predecessor-version":[{"id":1029,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/340\/revisions\/1029"}],"up":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/231"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/media\/715"}],"wp:attachment":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/media?parent=340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}