{"id":10103,"date":"2021-12-01T08:00:00","date_gmt":"2021-12-01T08:00:00","guid":{"rendered":"https:\/\/www.beanthinking.org\/?p=10103"},"modified":"2021-11-30T14:41:21","modified_gmt":"2021-11-30T14:41:21","slug":"gallery-of-fluid-motion-2021","status":"publish","type":"post","link":"https:\/\/www.beanthinking.org\/?p=10103","title":{"rendered":"Gallery of fluid motion 2021"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Each year, the American Physical Society hosts the Annual Meeting of the Division of Fluid Dynamics. A highlight of this is the <a href=\"https:\/\/gfm.aps.org\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"color:#1006e5\" class=\"has-inline-color\">Gallery of Fluid Motion<\/span><\/a>, a competition of videos showcasing fascinating science into all aspects of fluid dynamics. You can find a link to all of the videos, including this year&#8217;s prize winners <a href=\"https:\/\/gfm.aps.org\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"color:#1006e5\" class=\"has-inline-color\">here<\/span><\/a>. Listed below however are a few videos with links to coffee, cafes or just generally beautiful physics that you may be able to replicate in your kitchen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Beautiful Physics<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">How do fish know how to swim together in a school? An illuminating study that helps us to find out:<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/kWb9JaDxD0Q?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The strange and wonderful patterns formed by dropping a small amount of dyed water onto glycerin:<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/yYvUv5XuozQ?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Can you bounce a liquid drop on a liquid? Yes, it even explains something we may have noticed while <a href=\"https:\/\/www.beanthinking.org\/?p=5140\" data-type=\"post\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"color:#1006e5\" class=\"has-inline-color\">brewing pour overs<\/span><\/a>, but what about bouncing liquids on a solid:<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/DO-ZRZloFBI?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, although it refers to something we may not want to think too much about, there is some beautiful physics going on as people exhale, with and without masks:<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/hXJcuvs1dVU?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coffee\/Cafe Physics<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You may recognise the sound of something that is deep frying. But what fluid physics is causing it? You need to &#8220;listen to your tempura&#8221;<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/9Shi1q2m1UU?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">It stretches it a bit to call this &#8220;coffee&#8221; or &#8220;cafe&#8221; physics but many people have tattoos and surprisingly, no one has really ever investigated how the ink gets under the skin. Until now of course:<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/SBnXmTxUlys?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The Leidenfrost effect is something that you will have seen often while frying eggs. This takes a closer look at the Leidenfrost drops:<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/ZCXKeDCZTKk?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kitchen Physics<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Experiments you can do at home. The first is to look at the patterns formed as a drop of food colouring spreads on a mixture of water and xanthan gum (available in many supermarkets for gluten free cooking).<\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/zf1gR-tNzUs?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Secondly, how does water flow out of a bottle? <\/p>\n\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<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"525\" height=\"296\" src=\"https:\/\/www.youtube.com\/embed\/rQw6j9D_D2g?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-GB&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>And Finally<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do take a look at the full gallery (<a rel=\"noreferrer noopener\" href=\"https:\/\/gfm.aps.org\" target=\"_blank\"><span style=\"color:#1006e5\" class=\"has-inline-color\">here<\/span><\/a>) and even have a go at one or two of the experiments. It would be great if you would share your photos of fractal patterns formed by food dye or even if you&#8217;ve been inspired by any of the other videos. Whatever you do, enjoy your coffee.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Each year, the American Physical Society hosts the Annual Meeting of the Division of Fluid Dynamics. A highlight of this is the Gallery of Fluid Motion, a competition of videos showcasing fascinating science into all aspects of fluid dynamics. You can find a link to all of the videos, including this year&#8217;s prize winners here. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.beanthinking.org\/?p=10103\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Gallery of fluid motion 2021&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[2892,2515,2894,2893,2891,1389],"class_list":["post-10103","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-aps","tag-experiments-you-can-do-in-your-kitchen","tag-food-dye","tag-fractals","tag-gallery-of-fluid-motion-2021","tag-kitchen-top-experiments"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4Z8Nz-2CX","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=\/wp\/v2\/posts\/10103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10103"}],"version-history":[{"count":9,"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=\/wp\/v2\/posts\/10103\/revisions"}],"predecessor-version":[{"id":10163,"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=\/wp\/v2\/posts\/10103\/revisions\/10163"}],"wp:attachment":[{"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.beanthinking.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}