![]() How long they last depends upon the weather, especially the temperature, humidity, and wind speed.Ĭhemtrail conspiracy theories began to circulate after the United States Air Force (USAF) published a 1996 report about weather modification. ![]() The term chemtrail blends the words chemical and trail, just as contrail blends condensation and trail. Because of the persistence of the conspiracy theory and questions about government involvement, scientists and government agencies around the world have repeatedly explained that the supposed chemtrails are in fact normal contrails. Although proponents have tried to prove that chemical spraying occurs, their analyses have been flawed or based on misconceptions. There is no evidence that purported chemtrails differ from normal water-based contrails routinely left by high-flying aircraft under certain atmospheric conditions. The claim has been dismissed by the scientific community. Those who subscribe to the theory speculate that the purpose of the chemical release may be solar radiation management, weather modification, psychological manipulation, human population control, biological or chemical warfare, or testing of biological or chemical agents on a population, and that the trails are causing respiratory illnesses and other health problems. Believers in this conspiracy theory say that while normal contrails dissipate relatively quickly, contrails that linger must contain additional substances. The chemtrail conspiracy theory is the erroneous belief that long-lasting condensation trails left in the sky by high-flying aircraft are actually "chemtrails" consisting of chemical or biological agents, sprayed for nefarious purposes undisclosed to the general public. Take a look at the website to see which webcasts areįree SQL Server Webcasts, Videos and Webinars.An Airbus A340's engines leaving a water condensation trail ( contrail) – miniature clouds formed by the engine exhaust.Please use the comment section to clarify. ![]() If you asked a questionĭuring the webinar and it is not featured in this tip, it's possible the Questions, you can always ask them in the comments.
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