Amazing Bismuth Crystal

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    Author: jone from 14 November, views 1498, Educative
    Amazing Bismuth Crystal



    Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent poor metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores. The free element is 86% as dense as lead. It is a brittle metal with a silvery white color when freshly produced, but is often seen in air with a pink tinge owing to surface oxidation. Bismuth is the most naturally diamagnetic and has one of the lowest values of thermal conductivity among metals....

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    Luke Jerram’s Glass Microbiology Sculptures

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    Author: jone from 14 November, views 822, Educative
    Luke Jerram’s Glass Microbiology Sculptures



    British artist Luke Jerram’s glass sculptures represent a variety of viruses, such as Smallpox and HIV, and are made to encourage viewers to contemplate the global impact of each disease....

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    Refractions In Water Drops By Markus Reugels

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    Author: alice from 14 November, views 1237, Educative
    Refractions In Water Drops By Markus Reugels



    German photographer Markus Reugels. Using large satellite photos as a backdrop and a high speed camera he captures the background’s refraction through water drops. The perfectly timed shots result in these spherical representations of the Earth, Moon and Jupiter. See much more of his work here and also here. Thanks Markus for sharing your work with Colossal!...

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    Rare Metal Gallium

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    Author: peter from 14 November, views 1721, Educative
    Rare Metal Gallium



    Gallium is a chemical element with symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium(III) compounds in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal, elemental gallium is a brittle solid at low temperatures....

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    United States Capitol Subway System

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    Author: jone from 14 November, views 1219, Educative
    United States Capitol Subway System



    [Monorail Subway, Capitol To Senate. The Car. Senators Swanson And Townsend As Passengers, 1916]. (Photo by Harris & Ewing Collection). (Please click to enlarge)...

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    Ladybower Reservoir In Derbyshire England

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    Author: jone from 14 November, views 3246, Educative
    Ladybower Reservoir In Derbyshire England



    Ladybower Reservoir is a large Y-shaped reservoir, the lowest of three in the Upper Derwent Valley in Derbyshire, England. The River Ashop flows into the reservoir from the west; the River Derwent flows south, initially through Howden Reservoir, then Derwent Reservoir, and finally through Ladybower Reservoir....

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    How Made It? We have Answer!!!

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    Author: jone from 14 November, views 1082, Educative
    How Made It? We have Answer!!!



    Wooden Puzzle Solutions Tooth and Nail...

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    The Atlas Moth (Attacus Atlas)

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    Author: alice from 14 November, views 1910, Educative
    The Atlas Moth (Attacus Atlas)



    [The Atlas moth (Attacus atlas) is a large saturniid moth found in the tropical and subtropical forests of Southeast Asia, and common across the Malay archipelago. Atlas moths are considered the largest moths in the world in terms of total wing surface area [upwards of c. 400 cm2 (62 sq in)]. Their wingspans are also amongst the largest, reaching over 25 cm (10 in). Females are appreciably larger and heavier]. – Wikipedia. Photo: Atlas Moth. (Photo by Terri Oda)

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    Street Life in London 1876-1877 by John Thomson

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    Author: jone from 14 November, views 1846, Educative
    Street Life in London 1876-1877 by John Thomson



    [John Thomson (14 June 1837 – 29 September 1921) was a pioneering Scottish photographer, geographer and traveller. He was one of the first photographers to travel to the Far East, documenting the people, landscapes and artifacts of eastern cultures. Upon returning home, his work among the street people of London cemented his reputation, and is regarded as a classic instance of social documentary which laid the foundations for photojournalism. He went on to become a portrait photographer of High Society in Mayfair, gaining the Royal Warrant in 1881]. – Wikipedia. Photo: Ex Omnibus...

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    Google Takes Street View Tech Into The Grand Canyon

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    Author: peter from 14 November, views 941, Educative
    Google Takes Street View Tech Into The Grand Canyon



    GRAND CANYON NATIONAL PARK, Ariz. -- Google and its street-view cameras already have taken users to narrow cobblestone alleys in Spain using a tricycle, inside the Smithsonian with a push cart and to British Columbia's snow-covered slopes by snowmobile....

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