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Robert Wilhelm Eberhard Bunsen (German:; 30 March 1811 [a] – 16 August 1899) was a German chemist.He investigated emission spectra of heated elements, and discovered caesium (in 1860) and rubidium (in 1861) with the physicist Gustav Kirchhoff. [11]
Caesium (IUPAC spelling; [9] also spelled cesium in American English) is a chemical element; it has symbol Cs and atomic number 55. It is a soft, silvery-golden alkali metal with a melting point of 28.5 °C (83.3 °F; 301.6 K), which makes it one of only five elemental metals that are liquid at or near room temperature.
Curiosity is an American documentary television series that premiered on August 7, 2011, on the Discovery Channel. [1] [2] Each episode focuses on one question in science, technology, and society (e.g., why the RMS Titanic sank) and, for the first season, features a different celebrity host.
When We Left Earth: The NASA Missions (2008) Why Didn't I Think of That? Why We Hate (2019) Wild Brazil (2014) Wild Discovery (1995–2002) Wild New World (2002) Wild Pacific; Wild Weather (2002; miniseries) Wildlife Chronicles; Wings; Wolves at Our Door (1997) A World Away; World Birth Day (2002–03) World Class Cuisine; World of Wonder
Johan Gadolin discovered the earth in gadolinite in 1794. He did not name his discovery, but Andreas Ekeberg did so when he confirmed it in 1797. [1] Mosander showed later that its ore, yttria, contained more elements. [99] [100] In 1808, Davy showed that yttria is a metallic oxide, although he could not isolate the metal.
Discovery Channel, known as The Discovery Channel from 1985 to 1995, and often referred to as simply Discovery, is an American cable channel that is best known for its ongoing reality television shows and promotion of pseudoscience. [3] [4] [5]
The five standard episodes depict the evolution of life on Earth in perspective with our place in the universe - from the simplest microbes to the complexity and diversity that is found on the planet today. The entire 5-hour series Miracle Planet aired on Discovery Channel in Canada on April 22, 2005 as an Earth Day special. The music was ...
Daily Planet first aired on January 1, 1995, the same day as the premiere of Discovery Channel Canada, under the name @discovery.ca, it was an hour-long daily news magazine with a science news segment and several feature segments. During this era, the show aired for the fall/winter season.