http://www.kallepahajoki.net On Coding, Photography and Life Mon, 05 Dec 2011 23:17:31 +0000 en hourly 1 http://wordpress.org/?v=3.1.3 http://www.kallepahajoki.net/2009/08/13/elosalama-eli-kalevantuli/ http://www.kallepahajoki.net/2009/08/13/elosalama-eli-kalevantuli/#comments Thu, 13 Aug 2009 19:52:07 +0000 Kalle http://www.kallepahajoki.net/?p=539 In this year’s first issue of Tähdet+Avaruus, there was a question sent by a reader about the distance that a lightning can be seen at. The answer referred to lightning seen in the upper parts of a cloud, which is silent when seen from farther than 15km away. The instant I read the answer, I [...]]]> http://www.kallepahajoki.net/2009/08/13/elosalama-eli-kalevantuli/feed/ 0