{"type":"video","version":"1.0","provider_name":"Network.hu","provider_url":"http:\/\/network.hu\/","title":"H\u0151l\u00e9gballon","author_name":"kustragabor","author_url":"http:\/\/network.hu\/kustragabor","html":"<object width="424" height="345"><param name="movie" value="http:\/\/belyeggyujto.network.hu\/flash\/videoplayer\/video.swf?videoid=696257&pvol=40&plang=hu&host=http:\/\/belyeggyujto.network.hu" \/><param name="allowscriptaccess" value="always" \/><param name="allowfullscreen" value="true" \/><embed src="http:\/\/belyeggyujto.network.hu\/flash\/videoplayer\/video.swf?videoid=696257&pvol=40&plang=hu&host=http:\/\/belyeggyujto.network.hu" width="424" height="345" allowscriptaccess="always" allowfullscreen="true" \/><\/object>","width":424,"height":345,"description":"Joseph \u00e9s Jacques Montgolfier nyilv\u00e1nosan bemutatt\u00e1k h\u0151l\u00e9gballonjukat.\r\n235 \u00e9ve\r\n\u00c9rdekes, Tudom\u00e1ny, Alkot\u00e1s, Technika\r\n1783. 06. 04.\r\n\r\nA k\u00e9t testv\u00e9r lak\u00f3hely\u00fck\u00f6n, a Lyon melletti Annonay kisv\u00e1ros piacter\u00e9n, a legf\u0151bb v\u00e1rosi el\u0151lj\u00e1r\u00f3k \u00e9s hatalmas n\u00e9z\u0151sereg jelenl\u00e9t\u00e9ben h\u0151l\u00e9gballont engedtek a leveg\u0151be. \r\nM\u00e1r 1782 sor\u00e1n elk\u00e9sz\u00fclt egy kocka alak\u00fa szerkezetet, amit el\u0151sz\u00f6r v\u00edzg\u0151zzel, majd f\u00fcsttel k\u00eds\u00e9reltek meg felemelni, apr\u00f3bb sikerekkel. A f\u0151 probl\u00e9m\u00e1t a l\u00e9gg\u00f6mb felemel\u00e9se jelentette, mivel a f\u00fcst leh\u0171lt, \u00e9s visszazuhant a f\u00f6ldre. A Montgolfier-fiv\u00e9rek tal\u00e1lt\u00e1k ki, hogy l\u00e9gg\u00f6mbj\u00fck folyamatos meleg\u00edt\u00e9ssel hosszabb ideig is a leveg\u0151ben tarthat\u00f3. \u00cdgy sz\u00fcletett meg a h\u0151l\u00e9gballon terve, mely el\u0151sz\u00f6r 1782 december\u00e9ben sz\u00e1llt a magasba.\r\n1783 j\u00fanius\u00e1ban a lenv\u00e1szonb\u00f3l k\u00e9sz\u00fclt, pap\u00edrral burkolt \u00e9s kenderh\u00e1l\u00f3val k\u00f6rbefont szem\u00e9lyzet n\u00e9lk\u00fcli ballon mintegy 1500 m\u00e9ter magasban 17 percig lebegett, majd a felsz\u00e1ll\u00e1s hely\u00e9t\u0151l kb 2 kilom\u00e9terre leereszkedett.","thumbnail_url":"http:\/\/vds.network.hu\/clubvideo\/6\/9\/6\/_\/696257_39070_2.jpg","thumbnail_width":80,"thumbnail_height":60,"video_id":"696257"}