chemtrails?

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Answer 1

Chemtrails (CTs) are claimed to be unnatural (chemically modified) contrails from aircraft. Contrails are condensation trails made by the exhaust of aircraft engines or wingtip vortices which precipitate a stream of tiny ice crystals in moist, frigid upper air. When you see a plane passing by, it usually forms a cloud trail in the sky - that is your contrail.

According to theories, chemtrails differ from contrails because they are much thicker, extend across the sky and are often laid down in varying patterns of Xs, tick-tack-toe grids, cross-hatched and parallel lines. They do not dissipate quickly. Chemtrails expand and drip feathers and mares' tails. In 30 minutes or less, they open into wispy formations which join together, forming a thin white veil or a 'fake cirrus-type cloud' that persists for hours. These theories believe that some kind of chemical or biological agent is being secretly released.

Among the theories proposed for the purpose of the alleged "chemtrails" are: atmospheric and weather modification, biological warfare, mind control or occult purposes. They are also theorized to be part of a system to counter the effects of global warming, to create a cheap wireless communications network for the military, or to create a more sophisticated radar system (for both defensive and scientific application).

Answer 2

Have a look at this article. People didn't believe it at the time, but much of Britain was exposed to bacteria sprayed in secret trials via airplanes from 1940s- 1970s: http://www.theguardian.com/politics/2002/apr/21/uk.medicalscience

Answer 3

No