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  2. Robert Bunsen - Wikipedia

    en.wikipedia.org/wiki/Robert_Bunsen

    Robert Wilhelm Eberhard Bunsen (German: [ˈʁoːbɛʁt ˈbʊnzn̩]; 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]

  3. Caesium - Wikipedia

    en.wikipedia.org/wiki/Caesium

    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.

  4. List of programs broadcast by Science Channel - Wikipedia

    en.wikipedia.org/wiki/List_of_programs_broadcast...

    Science's first foray into dramatic programming, its premiere on the channel will be simulcast on sister network Discovery Channel. [2] The Critical Eye – An eight-part series examining pseudoscientific and paranormal phenomena. Dinosaur Revolution – A four-part miniseries on the natural history of dinosaurs. The last two episodes were ...

  5. List of Discovery Channel original programming - Wikipedia

    en.wikipedia.org/wiki/List_of_Discovery_Channel...

    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

  6. Alkali metal - Wikipedia

    en.wikipedia.org/wiki/Alkali_metal

    Rubidium and caesium were the first elements to be discovered using the spectroscope, invented in 1859 by Robert Bunsen and Gustav Kirchhoff. [22] The next year, they discovered caesium in the mineral water from Bad Dürkheim, Germany. Their discovery of rubidium came the following year in Heidelberg, Germany, finding it in the mineral ...

  7. 40 Earth Day Quotes That Celebrate the Beauty of Our Planet ...

    www.aol.com/lifestyle/40-earth-day-quotes...

    Celebrate Earth Day 2024 with these inspirational, happy, and funny Earth Day quotes and short messages about saving the environment and planet.

  8. Discovery of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_chemical_elements

    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.

  9. A potentially habitable Earth-size planet was discovered just ...

    www.aol.com/news/potentially-habitable-earth...

    The planet is about the size of Venus, so slightly smaller than Earth, and may be temperate enough to support life, the researchers said. Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a ...