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  1. Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar. Its properties are similar to polyethylene, but it is slightly ...

  2. Polytetrafluoroethylene is a fluorocarbon solid, as it is a high- molecular-weight polymer consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons exhibit only small London dispersion forces due to the low electric polarizability of fluorine.

  3. The Advanced Encryption Standard (AES), also known by its original name Rijndael (Dutch pronunciation: [ˈrɛindaːl]),[5] is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001.[6] AES is a variant of the Rijndael block cipher[5] developed by two Belgian ...

  4. Barbara Walters. Barbara Jill Walters (September 25, 1929 – December 30, 2022) was an American broadcast journalist and television personality. [1] [2] Known for her interviewing ability and popularity with viewers, she appeared as a host of numerous television programs, including Today, the ABC Evening News, 20/20, and The View.

  5. en.wikipedia.org › wiki › OpenAIOpenAI - Wikipedia

    The original GPT model The original paper on generative pre-training of a transformer-based language model was written by Alec Radford and his colleagues, and published in preprint on OpenAI's website on June 11, 2018. It showed how a generative model of language could acquire world knowledge and process long-range dependencies by pre-training on a diverse corpus with long stretches of ...

  6. en.wikipedia.org › wiki › Mona_LisaMona Lisa - Wikipedia

    Artist Leonardo da Vinci Year c. 1503–1506, perhaps continuing until c. 1517 Medium Oil on poplar panel Subject Lisa del Giocondo Dimensions 77 cm × 53 cm (30 in × 21 in) The Mona Lisa (/ ˌ m oʊ n ə ˈ l iː s ə / MOH-nə LEE-sə; Italian: Gioconda [dʒoˈkonda] or Monna Lisa [ˈmɔnna ˈliːza]; French: Joconde) is a half-length portrait painting by Italian artist Leonardo da Vinci.

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