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https:\/\/www.usgs.gov\/special-topics\/water-science-school\/science\/surface-tension-and-water<\/a> ","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Dishwashing liquid creates a surface-tension gradient that drives a brief outward flow; floating pepper merely makes that motion visible.","_geoff_meta_description_zh":"\u6d17\u6d01\u7cbe\u843d\u5728\u6c34\u9762\u540e\u5f62\u6210\u8868\u9762\u5f20\u529b\u5dee\uff0c\u9a71\u52a8\u6c34\u4ece\u4f4e\u5f20\u529b\u5904\u6d41\u5411\u9ad8\u5f20\u529b\u5904\uff1b\u80e1\u6912\u7c89\u53ea\u662f\u663e\u793a\u8fd9\u80a1\u77ed\u6682\u6d41\u52a8\uff0c\u800c\u975e\u88ab\u6d17\u6d01\u7cbe\u76f4\u63a5\u6392\u65a5\u3002","_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[787297218],"tags":[787298710,787299861,787298709,787299860],"class_list":["post-20186","post","type-post","status-publish","format-standard","hentry","category-daily-maths-physics-chemistry","tag-surface-tension-zh","tag-surfactants-zh","tag-surface-tension","tag-surfactants",""],"translatepress_titles":{"en_AU":"Why Does a Drop of Dishwashing Liquid Make Pepper Rush Away?","zh_CN":"\u4e00\u6ef4\u6d17\u6d01\u7cbe\uff0c\u4e3a\u4ec0\u4e48\u80fd\u8ba9\u6c34\u9762\u80e1\u6912\u7c89\u8fc5\u901f\u6563\u5f00\uff1f"},"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1ar9H-5fA","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/20186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/users\/17897162"}],"replies":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/comments?post=20186"}],"version-history":[{"count":0,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/20186\/revisions"}],"wp:attachment":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/media?parent=20186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/categories?post=20186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/tags?post=20186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
https:\/\/web.mit.edu\/1.63\/www\/Lec-notes\/Surfacetension\/Lecture4.pdf<\/a><\/p>\n