1. JFDee

    Scientific Doubts about the "Welsbach Patent"

    There is a relatively recent article in the German Wikipedia about the theoretical base of the famous Welsbach patent which is often quoted by chemtrail believers. The article's critique in a very small nutshell: Welsbach materials can't emit light without being considerably heated. They...
  2. M

    Difference between the impact of Stratospheric Sulfate Aerosols and Contrails?

    I m a bit confused as to why would Stratospheric sulfate aerosols cause the decrease of the global temperature (as it has happened in the past with big volcanic erruptions) ( )while contrails are supposed to increase...