There have been already two Questions of the Week about the weather: “Can we control the weather?” (http://junq.info/?p=2783) by Nicola Reusch and “Is accurate weather forecast possible?” (http://junq.info/?p=1318) by myself. Today, I do not want to go into detail about the meteorological work, but demonstrate a mathematical theorem by the means of weather. You certainly … Continue reading Are there two opposite points on earth’s surface with identical temperature and air pressure ?