Hurricanes are like big heat engines that cause destruction

Watch the latest comments and information on how this current hurricane is doing


http://www.weather.com/multimedia/videoplayer.html?clip=6584&from=newslinker2

Hurricanes are like big heat engines that cause destruction

Watch the latest comments and information on how this current hurricane is doing


http://www.weather.com/multimedia/videoplayer.html?clip=6584&from=newslinker2

Noctilucent clouds

These mysterious  electric blue clouds started showing up in the US summer in  Canada and northern parts of Europe. Scientists still don't know how they form.They are 45 and 54 miles (75 and 90 kilometers high but if you  are in  the right high latitude area, they supposedly easy to see.
 This year they are now being observed in Vermont, Wyoming and Michigan. Be on the look out for them and post if you see them.
http://www.spaceweather.com/

more information
http://www.answers.com/topic/noctilucent-cloud?cat=technology