On 13 Oct 2017 at 15:25, David Hillman wrote: > Here is the Element Quiz Question: > > The Question: > This element serves no human biological function but fungi do use it. > The primary source of this element comes as a byproduct of copper > refining. Its primary commercial use is being a elemental constituent > addition to metal alloys. A component of this element is used to > create acousto-optic modulators. The element name is related to the > word "earth". Which element is being described? > > The Answer: > The element is Tellurium (Te)! Tellurium derives its name from the > Latin word "tellus" which means "earth". In the gold rush of 1893, > miners in Kalgoorlie discarded a pyritic material as they searched for > pure gold, and it was used to fill in potholes and build sidewalks. In > 1896, that tailing was discovered to be calaverite, a telluride of > gold, and it sparked a second gold rush that included mining the > streets. Humans exposed to as little as 0.01 mg/m3 or less in air > exude a foul garlic-like odor known as "tellurium breath". > > > The winner of the quiz is Matthias Mansfeld, Mansfeld Elektronik PCB > Design and Assembly and will get the services of Clumpy and Kloumpios > for the week. This is really great! The guys can help me to clear out a flat (thousands of books :-( ) and, of course, if they have enough of the dust of about 50 years, have fun with our cats again......(no dust, only cat's fur in red & black) Best wishes Matthias -- Unsere Korrespondenz kann mitgelesen werden. Wollen Sie das erschweren, mailen wir uns gerne mit (Open)PGP verschlüsselt. - Matthias Mansfeld Elektronik * Leiterplattenlayout Neithardtstr. 3, 85540 Haar; Tel.: 089/4620 093-7, Fax: -8 Internet: http://www.mansfeld-elektronik.de OpenPGP: http://www.mansfeld-elektronik.de/gnupgkey/mansfeld.asc Fingerprint: 6563 057D E6B8 9105 1CE4 18D0 4056 1F54 8B59 40EF