-->Jaw-dropper from an airline mechanic, who may have snooped out the mechanism whereby diffusing grids and lines are being emitted across the skies by jets. Have watched it even here at the ends of the earth (writer lives in Coastal Maine):
http://omega.twoday.net/stories/192225/

mehr hier
http://www.rense.com/politics6/chemdatapage.html

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-->Link
<ul> ~ http://www.carnicom.com/contrails.htm</ul>