Cloud

Sep 30, 2010 - 5:43 AM
The FAA’s Draft Advisory Circular 20-147A released last month provides new guidance to aircraft manufacturers on compliance with regulations covering eng
Jan 10, 2008 - 12:07 PM
Despite the fundamental role of clouds in weather, there is much we don’t know about them.
Mar 22, 2007 - 6:19 AM
A new NASA study claims that man-made cirrus clouds formed by commercial jet engine exhaust might be responsible for increased surface temperatures detecte