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A wigwam, wikiup, wetu , or wiigiwaam (Ojibwe, in syllabics: ᐧᐄᑭᐧᐋᒻ) [1] is a semi-permanent domed dwelling formerly used by certain Native American tribes and First Nations people and still used for ceremonial events.
Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869: John Wesley Hyatt discovers a method to simplify the production of celluloid, making industrial production possible. 1872: PVC is accidentally synthesized in 1872 by German chemist Eugen Baumann ...
Nathaniel C. Wyeth (October 24, 1911 – July 4, 1990) was an American mechanical engineer and inventor.He is best known for creating a variant of polyethylene terephthalate that could withstand the pressure of carbonated liquids.
Photo of an Apache wigwam, by Edward S. Curtis, 1903. The earliest domes were likely domed huts made from saplings, reeds, or timbers and covered with thatch, turf, or skins. Materials may have transitioned to rammed earth, mud-brick, or more durable stone as a result of local conditions. [1]
Wigwam co-owner Chris Chesebro holds an inside-out sock Oct. 5, 2023, in Sheboygan, Wis. Chesebro says that the inside of a sock tells how well a sock is made. The price for a pair of socks ranges.
12,500 PET bottles used as flotation [1] The Plastiki is a 60-foot (18 m) catamaran made out of 12,500 reclaimed plastic bottles and other recycled PET plastic and waste products. [ 2 ] Michael Pawlyn [ 3 ] of Exploration Architecture worked on the concept design with David de Rothschild and helped to shape some of the key ideas.
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Lead Free Mama, LLC, tested the 32 ounce Hydroflask in 2017 and deemed it lead free, and more recently added the bottle to a 2023 round up of favorite lead-free water bottles. Owala. Owala took to ...