Meteorological instrumentation rain gauge. In 1714, Gabriel Fahrenheit creates a reliable scale for measuring temperature with a mercury-type thermometer. In 1742, Anders Celsius, a Swedish astronomer, proposed the 'centigrade' temperature scale, the predecessor of the current Celsius scale. In 1783, the first hair hygrometer is demonstrated by Horace-Bénédict de Saussure. In 1806, Francis Beaufort introduced his system for classifying wind speeds. The April 1960 launch of the first successful weather satellite, TIROS-1, marked the beginning of the age where weather information became available globally. This was also used to measure the temperature of the surrounding air. A thermometer measures air temperature, or
Anders Behring Breivik she hired a lawyer to prevent Christensen from publishing the book. The book was nevertheless published in October 2013, and was widely criticized; on the basis of Wenche Behring Breivik's opposition to the book, for inclusion of material not relevant to understanding what motivated Anders Behring Breivik, and for character assassinations of still living people. Anders Behring Breivik Anders Behring Breivik (; since 2017 legally Fjotolf Hansen, also known by his pseudonym Andrew Berwick), born 13 February 1979, is a Norwegian far-right terrorist who committed the 2011 Norway attacks. On 22 July 2011, he killed eight people by detonating a