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I am in Mexico now for couple of weeks- NO CHEM TRAILS!
the planes are going back and forth across the sky but NOthing.
The skies would look EXACTLY the same as they do NOW if they WERE spraying what's in those patents.
If they use aluminum/thin glass/barium/sulfur/etc. in a fine powder, or a mixture of said materials into the 4/5ths kerosene fuel, it would do exactly what these "con-trails" are doing right now.
Have passenger planes changed their cruising altitudes in the past 15-20 years...
... or have the number of flights multiplied by 5000% in those past 2 decades?
We ALL remember the occasional sustained contrail back in the 1910s through 1980s, very rare ....
Then ALL OF A SUDDEN, in one year then onward....
....multiple streaks across the sky lingering for hours and spreading out.
According to .... theory, contrails are expected to form at a threshold temperature that increases with the overall efficiency of the aircraft propulsion. As a consequence, aircraft with modern engines, with higher overall efficiency, cause contrails over a larger range of cruise altitudes. To validate this theory, an experiment was performed.....