Period 5 element Klaproth named the new element in 1798 after the Latin word for "earth", "tellus". Gold telluride minerals (responsible for the name of Telluride, Colorado) are the most notable natural gold compounds. However, they are not a commercially significant source of tellurium itself, which is normally extracted as by-product of copper and lead production. Tellurium is commercially primarily used in alloys, foremost in steel and copper to improve machinability. Applications in solar panels and as a semiconductor material also consume a considerable fraction of tellurium production. Iodine is a chemical element with the symbol I and atomic number 53. The name
¡Cu-Cut! the team of editors and illustrators continued their work at Catalan children's magazine "En Patufet". On the occasion of the first centennial of the closure of the magazine, the Barcelona City Historical Archive ("Arxiu Històric de la Ciutat de Barcelona") staged an exhibition and published a catalogue based on the once famous magazine. The exhibition was commissioned by Catalan cartoonist Jaume Capdevila ("Kap") and produced with the "Associació Tantatinta". ¡Cu-Cut! ¡Cu-cut! was a Catalan illustrated satirical magazine, written in Catalan. Published in Barcelona between 1902 and 1912, it followed the political line marked by Francesc Cambó's Lliga Regionalista. ¡Cu-cut!, named