{"id":178,"date":"2026-02-24T08:18:34","date_gmt":"2026-02-24T05:18:34","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/?p=178"},"modified":"2026-02-24T08:35:54","modified_gmt":"2026-02-24T05:35:54","slug":"%cf%86%cf%89%cf%82-%cf%87%cf%81%cf%8e%ce%bc%ce%b1%cf%84%ce%b1","status":"publish","type":"post","link":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/2026\/02\/24\/%cf%86%cf%89%cf%82-%cf%87%cf%81%cf%8e%ce%bc%ce%b1%cf%84%ce%b1\/","title":{"rendered":"\u03a6\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1"},"content":{"rendered":"<div id=\"103452363101824862\">\n<div>\n<div id=\"element-9a23eded-4800-4997-a2fb-7e372b5df4c2\" class=\"platform-element-contents\" data-platform-element-id=\"698263678581730663-1.1.0\">\n<div class=\"content-color-box-wrapper\">\n<div>\n<h2 class=\"wsite-content-title\"><span style=\"color: #993300\">\u03a6\u03c9\u03c2 &amp; \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1<\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<div>\n<div class=\"wsite-image wsite-image-border-none \">\n<p><a href=\"http:\/\/users.sch.gr\/gregzer\/F\/F-ST1\/Fws\/FST%20-%20Fws%20-%2002\/index.html\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/anoixtosxoleio.weebly.com\/uploads\/8\/4\/5\/6\/8456554\/editor\/1966689722.png?1586428114\" alt=\"Picture\" \/> <\/a><\/p>\n<div><\/div>\n<\/div>\n<\/div>\n<div>\n<div>\n<div>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03b1\u03ba\u03ac \u03c4\u03b1 \u03c0\u03c5\u03c1\u03bf\u03c4\u03b5\u03c7\u03bd\u03ae\u03bc\u03b1\u03c4\u03b1;<\/div>\n<div>\n<p><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhOq1fCm1OVYKwmjvP8YEVr-BeOrMaQLvsWjxdqARPbdeJ1IOquXt1TUwg8VlwnoOKBKK5aIoHXjixw_I2k1I9hb88__RIaQDiYCiqdcwZKgFxLpuAMeh7AgP6064SWzmPyktktQDHh09I\/s1600-h\/1.jpg\"><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5449695859853660754\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhOq1fCm1OVYKwmjvP8YEVr-BeOrMaQLvsWjxdqARPbdeJ1IOquXt1TUwg8VlwnoOKBKK5aIoHXjixw_I2k1I9hb88__RIaQDiYCiqdcwZKgFxLpuAMeh7AgP6064SWzmPyktktQDHh09I\/s400\/1.jpg\" alt=\"\" border=\"0\" \/><\/a>\u03a4\u03b9 \u03bc\u03b1\u03c2 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c6\u03c9\u03c2 \u03c4\u03bf\u03c5 \u03ae\u03bb\u03b9\u03bf\u03c5 \u03c4\u03bf \u03bf\u03c5\u03c1\u03ac\u03bd\u03b9\u03bf \u03c4\u03cc\u03be\u03bf;<\/p>\n<\/div>\n<div>\n<p><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgCJH_6hiTvSEa9Nnw1cRujne3Ezm9YoC4O8bWtNKanyjsPvWlOTx_rQ1XBKok4QMGxybQ9phqdPuu_eOGvjxwbkWGvcCKBrN6j0A8paujcai9HPefBlDzFo0FGHf3UtG8tbi78O4_XNmQ\/s1600-h\/rainbow-over-the-muldrow-glacier_1127.jpg\"><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5449699410178995202\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgCJH_6hiTvSEa9Nnw1cRujne3Ezm9YoC4O8bWtNKanyjsPvWlOTx_rQ1XBKok4QMGxybQ9phqdPuu_eOGvjxwbkWGvcCKBrN6j0A8paujcai9HPefBlDzFo0FGHf3UtG8tbi78O4_XNmQ\/s400\/rainbow-over-the-muldrow-glacier_1127.jpg\" alt=\"\" border=\"0\" \/><\/a><\/p>\n<div>\n<p>\u03a0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b9, \u03b7 \u03bb\u03b5\u03c5\u03ba\u03ae \u03b1\u03ba\u03c4\u03af\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1(7), \u03cc\u03c0\u03c9\u03c2 \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf, \u03c0\u03bf\u03c1\u03c4\u03bf\u03ba\u03b1\u03bb\u03af, \u03ba\u03af\u03c4\u03c1\u03b9\u03bd\u03bf, \u03c0\u03c1\u03ac\u03c3\u03b9\u03bd\u03bf, \u03b3\u03b1\u03bb\u03ac\u03b6\u03b9\u03bf(\u03ba\u03c5\u03b1\u03bd\u03cc), \u03bc\u03c0\u03bb\u03b5, \u03bc\u03bf\u03b2<\/p>\n<div><\/div>\n<div>\n<p>\u0391\u03bb\u03bb\u03ac \u03c4\u03b9 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af \u03bf\u03c5\u03c1\u03ac\u03bd\u03b9\u03bf \u03c4\u03cc\u03be\u03bf;<\/p>\n<\/div>\n<p>\u03a4\u03bf \u03bb\u03b5\u03c5\u03ba\u03cc \u03c6\u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c0\u03cc \u03c0\u03bf\u03bb\u03bb\u03ac \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03cc\u03bc\u03c9\u03c2 \u03cc\u03c4\u03b1\u03bd \u03c4\u03b1 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bd\u03b1\u03ba\u03b1\u03c4\u03b5\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b1\u03c2 \u03b4\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03af\u03c3\u03b8\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd. \u03a4\u03bf \u03bb\u03b5\u03c5\u03ba\u03cc \u03c6\u03c9\u03c2 \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03c0\u03b5\u03c1\u03ac\u03c3\u03b5\u03b9 \u03c5\u03c0\u03cc \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03b3\u03c9\u03bd\u03af\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03b4\u03b9\u03ac\u03c6\u03b1\u03bd\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u03a4\u03bf \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b1\u03c5\u03c4\u03cc \u03bb\u03ad\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd \u03c6\u03c9\u03c4\u03cc\u03c2.<br \/>\n\u03a4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd \u03c6\u03c9\u03c4\u03cc\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03b1\u03bd\u03b5\u03af\u03c2 \u03b3\u03c5\u03ac\u03bb\u03b9\u03bd\u03b5\u03c2 \u03c0\u03c5\u03c1\u03b1\u03bc\u03af\u03b4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1(\u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1 \u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03b1\u03bd\u03ad\u03c2 \u03c5\u03bb\u03b9\u03ba\u03cc, \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03b4\u03b9\u03ac\u03b8\u03bb\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2)<br \/>\n\u0397 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c4\u03b5\u03c5\u03c7\u03b8\u03b5\u03af \u03bc\u03ad\u03c3\u03b1 \u03b1\u03c0\u03cc \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03bf\u03c5\u03c2 \u03bb\u03af\u03b8\u03bf\u03c5\u03c2(\u03b4\u03b9\u03b1\u03bc\u03ac\u03bd\u03c4\u03b9\u03b1), \u03b1\u03c0\u03cc \u03ba\u03c1\u03cd\u03c3\u03c4\u03b1\u03bb\u03bb\u03b1 \u03b1\u03ba\u03cc\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c3\u03c4\u03b1\u03b3\u03cc\u03bd\u03b5\u03c2 \u03bd\u03b5\u03c1\u03bf\u03cd<\/p>\n<div><\/div>\n<p>\u0391\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bb\u03ac\u03b2\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c4\u03b9 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af \u03bf\u03c5\u03c1\u03ac\u03bd\u03b9\u03bf \u03c4\u03cc\u03be\u03bf<\/p>\n<\/div>\n<div>\n<div>\n<p>\u03a4\u03bf \u03bf\u03c5\u03c1\u03ac\u03bd\u03b9\u03bf \u03c4\u03cc\u03be\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03ac\u03b8\u03bb\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03c3\u03c4\u03b1 \u03c3\u03c4\u03b1\u03b3\u03bf\u03bd\u03af\u03b4\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b2\u03c1\u03bf\u03c7\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03b1\u03c4\u03bc\u03cc\u03c3\u03c6\u03b1\u03b9\u03c1\u03b1, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03b1\u03bd \u03c0\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n<div>\u0388\u03c4\u03c3\u03b9 \u03c4\u03bf \u03bf\u03c5\u03c1\u03ac\u03bd\u03b9\u03bf \u03c4\u03cc\u03be\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9:<\/div>\n<ol>\n<li>\u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b7\u03bb\u03b9\u03bf\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ce\u03c1\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac \u03b7 \u03b2\u03c1\u03bf\u03c7\u03ae \u03ae \u03c0\u03ad\u03c6\u03c4\u03bf\u03c5\u03bd \u03bb\u03af\u03b3\u03b5\u03c2 \u03c8\u03b9\u03c7\u03ac\u03bb\u03b5\u03c2<\/li>\n<li>\u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bf \u03ae\u03bb\u03b9\u03bf\u03c2 \u03c0\u03af\u03c3\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae<\/li>\n<\/ol>\n<p>\u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03b1\u03c0\u03ad\u03b4\u03b5\u03b9\u03be\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf 1666 \u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc\u03c2 \u0399\u03c3\u03b1\u03ac\u03ba \u039d\u03b5\u03cd\u03c4\u03c9\u03bd(I. Newton), \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03b3\u03bf\u03b7\u03c4\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c6\u03c9\u03c2 \u03ad\u03ba\u03b1\u03bd\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c0\u03bf\u03bb\u03bb\u03ac \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03bd \u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b1\u03bd \u03c3\u03b5 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03b7\u03bc\u03bf\u03c3\u03af\u03b5\u03c5\u03c3\u03b5 \u03c4\u03bf 1704.<br \/>\n\u0391\u03c6\u03bf\u03cd \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03bf Newton \u03b1\u03c0\u03ad\u03b4\u03b5\u03b9\u03be\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c6\u03c9\u03c2 \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 7 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1, \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03b1\u03c0\u03ad\u03b4\u03b5\u03b9\u03be\u03b5 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03c4\u03b1\u03b9 \u03ac\u03bb\u03bb\u03bf \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03cc \u03c4\u03c9\u03bd \u03af\u03b4\u03b9\u03c9\u03bd \u03c7\u03c1\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf \u03bb\u03b5\u03c5\u03ba\u03cc \u03c6\u03c9\u03c2<\/p>\n<div><\/div>\n<p>\u0397 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd \u03c6\u03c9\u03c4\u03cc\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c4\u03b5\u03c5\u03c7\u03b8\u03b5\u03af \u03b1\u03bd \u03c7\u03c1\u03c9\u03bc\u03b1\u03c4\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03af\u03c3\u03ba\u03bf \u03bc\u03b5 \u03c4\u03b1 7 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03b3\u03c5\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03bd\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd \u03c6\u03c9\u03c4\u03cc\u03c2. \u039f \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03b1\u03c5\u03c4\u03cc\u03c2 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u039d\u03b5\u03cd\u03c4\u03c9\u03bd\u03b1.<\/p>\n<div>\n<div>\n<p><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhdZhw2OtK_Cdppy1PQimUBf6Bm5KBSUhdXRsWtRSj1WeRT_fqyPh4DmI-Mt9bagpgY4XZj0CSjhcDVz-aNx3ajlllgZ2AKov4sMW-4q4KeEUFn2Bo56sgEc1HxAIcZJeYVackvC_bUUCE\/s1600-h\/%CE%B4%CE%B9%CF%83%CE%BA%CE%BF%CF%82+%CE%9D%CE%B5%CF%85%CF%84%CF%89%CE%BD%CE%B1.jpg\"><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5451052881928921250\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhdZhw2OtK_Cdppy1PQimUBf6Bm5KBSUhdXRsWtRSj1WeRT_fqyPh4DmI-Mt9bagpgY4XZj0CSjhcDVz-aNx3ajlllgZ2AKov4sMW-4q4KeEUFn2Bo56sgEc1HxAIcZJeYVackvC_bUUCE\/s400\/%CE%B4%CE%B9%CF%83%CE%BA%CE%BF%CF%82+%CE%9D%CE%B5%CF%85%CF%84%CF%89%CE%BD%CE%B1.jpg\" alt=\"\" border=\"0\" \/><\/a><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEg9z_3zZUWjaAB-rFrOgpASP0AZuqz8qDKni2IhfGxTNyNOPOnlAHTEh_eChPDvBHqnuNzxvxUiVEU65HOXOSLcHDXqYi4Ndrf74aqwSko4yP_7tlgOMts2nudFjlEdlNDJIhrZSEFo_wA\/s1600-h\/b203.jpg\"><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5451052873119573970\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEg9z_3zZUWjaAB-rFrOgpASP0AZuqz8qDKni2IhfGxTNyNOPOnlAHTEh_eChPDvBHqnuNzxvxUiVEU65HOXOSLcHDXqYi4Ndrf74aqwSko4yP_7tlgOMts2nudFjlEdlNDJIhrZSEFo_wA\/s400\/b203.jpg\" alt=\"\" border=\"0\" \/><\/a><\/p>\n<\/div>\n<p>\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c6\u03c4\u03b9\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03af\u03c3\u03ba\u03bf \u03c4\u03bf\u03c5 \u039d\u03b5\u03cd\u03c4\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03b1\u03c0\u03bb\u03ac \u03c5\u03bb\u03b9\u03ba\u03ac:<\/p>\n<\/div>\n<div><\/div>\n<p>\u0397 \u03b1\u03bd\u03ac\u03bc\u03b5\u03b9\u03be\u03b7 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03c4\u03c9\u03bd \u03c7\u03c1\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd \u03c6\u03c9\u03c4\u03cc\u03c2.<\/p>\n<div><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEi3uRL2iUvoXPgbcnTh8qltDyTRfn89Ojf8-wk_1_tjY3NCfPuOjeexEqoJJ3YV_sOzpUOxuJFUtuVDYxv6cvXwlEBQsbnLIr79GnlvW4BQ6xX3QmnT7luq8XtoGVf2NuyC0AGZl2uwZ2Y\/s1600-h\/b204.jpg\"><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5451052869051252194\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEi3uRL2iUvoXPgbcnTh8qltDyTRfn89Ojf8-wk_1_tjY3NCfPuOjeexEqoJJ3YV_sOzpUOxuJFUtuVDYxv6cvXwlEBQsbnLIr79GnlvW4BQ6xX3QmnT7luq8XtoGVf2NuyC0AGZl2uwZ2Y\/s400\/b204.jpg\" alt=\"\" border=\"0\" \/><\/a><\/div>\n<p>\u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03bb\u03ad\u03b3\u03b5\u03c4\u03b1\u03b9 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2.<\/p>\n<p>\u03a4\u03bf \u03bb\u03b5\u03c5\u03ba\u03cc \u03c6\u03c9\u03c2 \u03c3\u03c5\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bc\u03b5\u03b9\u03be\u03b7 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u03c4\u03c1\u03b9\u03ce\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c7\u03c1\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd: \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf\u03c5, \u03c0\u03c1\u03ac\u03c3\u03b9\u03bd\u03bf\u03c5, \u03bc\u03c0\u03bb\u03b5.<br \/>\n\u03a0\u03c1\u03cc\u03c3\u03b5\u03be\u03b5:<br \/>\n\u03a4\u03b1 \u03b1\u03b4\u03b9\u03b1\u03c6\u03b1\u03bd\u03ae \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03bf\u03cd\u03bd \u03ad\u03bd\u03b1 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03bf \u03c4\u03bf \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03bf\u03c5\u03bd. \u03a4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03c0\u03bf\u03c5 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03cd\u03bf \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2:<\/p>\n<ul>\n<li>\u03b1\u03c0\u03cc \u03c4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c6\u03c9\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9<\/li>\n<li>\u03b1\u03c0\u03cc \u03c4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03bf\u03cd\u03bd.<\/li>\n<\/ul>\n<p>\u0391\u03bd \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03c6\u03c9\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bb\u03b5\u03c5\u03ba\u03cc \u03c7\u03c1\u03ce\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bb\u03b5\u03c5\u03ba\u03cc, \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03ac \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1. \u0391\u03bd \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf, \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03ac \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b5\u03c2 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03b7 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b4\u03b9\u03b1\u03c7\u03ad\u03b5\u03b9.<br \/>\n\u0391\u03bd \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf \u03c3\u03c4\u03bf \u03bb\u03b5\u03c5\u03ba\u03cc \u03c6\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c6\u03c9\u03c4\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03ac\u03bb\u03bb\u03b7 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03cd \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf \u03b8\u03b1 \u03c4\u03bf \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03ae\u03c3\u03b5\u03b9 \u03cc\u03bb\u03bf \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b1\u03cd\u03c1\u03bf.<br \/>\n\u0391\u03bd \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b1\u03cd\u03c1\u03bf \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03ae\u03c3\u03b5\u03b9 \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1.<br \/>\n\u0386\u03c1\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bb\u03b1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9\u03c2 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03c7\u03c1\u03ce\u03bc\u03b1 \u03b1\u03bb\u03bb\u03ac \u03ad\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr class=\"styled-hr\" \/>\n<div>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/color-vision\/latest\/color-vision_en.html\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-184\" src=\"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-kai-xromata-300x136.png\" alt=\"\" width=\"300\" height=\"136\" srcset=\"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-kai-xromata-300x136.png 300w, https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-kai-xromata.png 645w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-186\" src=\"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-askisi-300x159.png\" alt=\"\" width=\"744\" height=\"394\" srcset=\"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-askisi-300x159.png 300w, https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-askisi-1024x544.png 1024w, https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-content\/uploads\/sites\/340461\/2026\/02\/fos-askisi-768x408.png 768w\" sizes=\"auto, (max-width: 744px) 100vw, 744px\" \/><\/p>\n<\/div>\n<p style=\"text-align: center\"><span style=\"font-size: 18pt\"><a href=\"https:\/\/wayground.com\/embed\/quiz\/65585a1c221933ecee259391\" target=\"_blank\" rel=\"noopener\">\u0395\u039e\u0391\u03a3\u039a\u0397\u03a3\u0397<\/a><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u03a6\u03c9\u03c2 &amp; \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03b1\u03ba\u03ac \u03c4\u03b1 \u03c0\u03c5\u03c1\u03bf\u03c4\u03b5\u03c7\u03bd\u03ae\u03bc\u03b1\u03c4\u03b1; \u03a4\u03b9 \u03bc\u03b1\u03c2 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c6\u03c9\u03c2 \u03c4\u03bf\u03c5 \u03ae\u03bb\u03b9\u03bf\u03c5 \u03c4\u03bf \u03bf\u03c5\u03c1\u03ac\u03bd\u03b9\u03bf \u03c4\u03cc\u03be\u03bf; \u03a0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b9, \u03b7 \u03bb\u03b5\u03c5\u03ba\u03ae&hellip;<\/p>\n","protected":false},"author":7000,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-178","post","type-post","status-publish","format-standard","hentry","category-14"],"_links":{"self":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/posts\/178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/users\/7000"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/comments?post=178"}],"version-history":[{"count":0,"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/posts\/178\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/media?parent=178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/categories?post=178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-fysiki-st-2025-6\/wp-json\/wp\/v2\/tags?post=178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}