Helium.com | Atmosphere & Weather | What causes lightning http://www.helium.com/knowledge/45516-what-causes-lightning.xml Helium.com > Atmosphere & Weather > What causes lightning en-us Copyright Helium.com Mon, 05 May 2008 19:39:55 GMT Mon, 05 May 2008 19:39:55 GMT Throughout the ages, man has feared lightning, but yet was in awe of its spectacular light show that it puts on. When we see that a storm is on th... http://www.helium.com/items/1681488-what-causes-lightning Tue, 15 Dec 2009 09:56:02