{"id":5448,"date":"2017-04-14T14:04:55","date_gmt":"2017-04-14T11:04:55","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=5448"},"modified":"2018-03-22T00:26:38","modified_gmt":"2018-03-21T22:26:38","slug":"%cf%84%ce%bf-%ce%b7%ce%bb%ce%b5%ce%ba%cf%84%cf%81%ce%b9%ce%ba%cf%8c-%ce%b2%cf%81%ce%b1%cf%87%cf%85%ce%ba%cf%8d%ce%ba%ce%bb%cf%89%ce%bc%ce%b1-%ce%ba%ce%af%ce%bd%ce%b4%cf%85%ce%bd%ce%bf%ce%b9-%ce%ba","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=5448","title":{"rendered":"\u03a4\u03bf \u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 &#8211; \u039a\u03af\u03bd\u03b4\u03c5\u03bd\u03bf\u03b9 \u03ba\u03b1\u03b9 &#8220;\u0391\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1&#8221;"},"content":{"rendered":"<ol>\n<li>\u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7. \u038c\u03c4\u03b1\u03bd 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class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 6<\/p><\/div><\/li>\n<li>\u03a0\u03bf\u03b9\u03bf \u03ae \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u0391,\u0392,\u0393,\u0394 \u03ba\u03b1\u03b9 \u0395 \u03b8\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03b1\u03c4\u03b5 \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03cc \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1, \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1, \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1;\n<div id=\"attachment_5468\" style=\"width: 467px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5468\" class=\" wp-image-5468\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-3-300x245.jpg\" alt=\"\" width=\"457\" height=\"373\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-3-300x245.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-3.jpg 767w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\" \/><p id=\"caption-attachment-5468\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 7<\/p><\/div>\n<p><!--more--><\/li>\n<li>\u03a3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03ae \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391,\u0392,\u0393 \u03ba\u03b1\u03b9 \u0394 \u03b8\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03b5\u03c2 \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u039a \u03c4\u03bf\u03c5 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5 \u0391\u039a \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 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src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-5-300x225.jpg\" alt=\"\" width=\"391\" height=\"293\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-5-300x225.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-5-768x576.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-5.jpg 781w\" sizes=\"auto, (max-width: 391px) 100vw, 391px\" \/><p id=\"caption-attachment-5477\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 9<\/p><\/div><\/li>\n<li>\u03a4\u03bf \u03bb\u03b1\u03bc\u03c0\u03ac\u03ba\u03b9 \u03c3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u0391 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\u03c3\u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03bf \u03bb\u03b1\u03bc\u03c0\u03ac\u03ba\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03b5\u03af \u03ae \u03cc\u03c7\u03b9. \u03a5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1;\n<p><div id=\"attachment_5463\" style=\"width: 442px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5463\" class=\" wp-image-5463\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-2-300x191.jpg\" alt=\"\" width=\"432\" height=\"275\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-2-300x191.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-2-768x490.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-2.jpg 931w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><p id=\"caption-attachment-5463\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 10<\/p><\/div><\/li>\n<li>\u0395\u03be\u03ad\u03c4\u03b1\u03c3\u03b5 \u03b1\u03bd \u03b1\u03bd\u03ac\u03b2\u03b5\u03b9 \u03ae \u03cc\u03c7\u03b9 \u03b7 \u03bb\u03ac\u03bc\u03c0\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ae \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1, \u03cc\u03c4\u03b1\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2:\n<ol>\n<li>\u03b4<sub>1<\/sub> \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b4<sub>2<\/sub> \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03cc.<\/li>\n<li>\u03b4<sub>1<\/sub> \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b4<sub>2<\/sub> \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc.<\/li>\n<li>\u03b4<sub>1<\/sub> \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b4<sub>2<\/sub> \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc.<\/li>\n<li>\u03b4<sub>1<\/sub> \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b4<sub>2<\/sub> \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03cc<\/li>\n<\/ol>\n<p><div id=\"attachment_5481\" style=\"width: 377px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5481\" class=\" wp-image-5481\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-6-1-300x152.jpg\" alt=\"\" width=\"367\" height=\"186\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-6-1-300x152.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-6-1.jpg 712w\" sizes=\"auto, (max-width: 367px) 100vw, 367px\" \/><p id=\"caption-attachment-5481\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 11<\/p><\/div><\/li>\n<li>\u03a3\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b5\u03c2. \u0393\u03b9\u03b1\u03c4\u03af; \u0397 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c4\u03ae\u03be\u03b7\u03c2. \u03a0\u03ac\u03bd\u03c9 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 35\u0391. \u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 \u03b2\u03c1\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03b7\u03bd \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03c4\u03c3\u03b9 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af \u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03b7\u03c2 35\u0391;\n<p><div id=\"attachment_5484\" style=\"width: 170px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5484\" class=\"size-full wp-image-5484\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0391\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1.jpg\" alt=\"\" width=\"160\" height=\"195\" \/><p id=\"caption-attachment-5484\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 12<\/p><\/div><\/li>\n<li>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;\n<ol>\n<li>\u039c\u03af\u03b1 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03ae \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c1\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1.<\/li>\n<li>\u03a4\u03b1 \u03b2\u03bf\u03bb\u03c4 (\u03b4\u03b7\u03bb. \u03b7 \u03c4\u03ac\u03c3\u03b7) \u03c4\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b2\u03bf\u03bb\u03c4 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1\u03c2.<\/li>\n<li>\u03a4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c1\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2.<\/li>\n<li>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1.<\/li>\n<\/ol>\n<\/li>\n<li>\u03a3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c4\u03c1\u03b5\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf; \u03a4\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03ad\u03be\u03bf\u03c5\u03bc\u03b5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03ad\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af;\n<p><div id=\"attachment_5492\" style=\"width: 491px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5492\" class=\" wp-image-5492\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-7-300x217.jpg\" alt=\"\" width=\"481\" height=\"348\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-7-300x217.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-7-768x557.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-7.jpg 858w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><p id=\"caption-attachment-5492\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 14<\/p><\/div><\/li>\n<li>\u0388\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9 \u03b4\u03cd\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c3\u03b5 \u03c3\u03b5\u03b9\u03c1\u03ac. \u0395\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03ae \u03cc\u03c7\u03b9. \u0394\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03ae \u03c3\u03bf\u03c5.\n<p><div id=\"attachment_5496\" style=\"width: 486px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5496\" class=\" wp-image-5496\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-8-300x111.jpg\" alt=\"\" width=\"476\" height=\"176\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-8-300x111.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-8-768x285.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2017\/04\/\u0392\u03c1\u03b1\u03c7\u03c5\u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1-8.jpg 878w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><p id=\"caption-attachment-5496\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 15<\/p><\/div><\/li>\n<\/ol>\n<p>\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2<\/p>\n<p><a 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