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2020: The first MRNA vaccine to be approved by public health medicines regulators is co-developed by Pfizer and BioNTech for COVID-19. [556] 2020: OpenAI demonstrated an Artificial Intelligence model called GPT-3. The program was created to generate human-like responses when given prompts. [557] 2022: Pfizer develops the world's first pill for ...
Pages in category "20th-century inventions" The following 128 pages are in this category, out of 128 total. This list may not reflect recent changes. A.
The structure of DNA was determined in 1953 by James Watson, [3] [4] Francis Crick, [3] [4] Rosalind Franklin [4] and Maurice Wilkins, [3] [4] following by developing techniques which allow to read DNA sequences and culminating in starting the Human Genome Project (not finished in the 20th century) and cloning the first mammal in 1996.
9th century – The sine quadrant, was invented by Muhammad ibn Musa al-Khwarizmi in the 9th century at the House of Wisdom in Baghdad. [3]: 128 The other types were the universal quadrant, the horary quadrant and the astrolabe quadrant. 10th century – sea-going junk ships built in China. Late 10th century – Kamal invented in Arab world.
5. Play-Doh. Who: Kay Zufall, Brian, Joseph McVicker, Bill Rhodenbaugh When: 1956 . How it was created: The gooey toy kids have been playing with for decades began as a household cleaning product ...
But it was not until 1929 that Earle Haas of Denver first invented the modern tampon with an applicator. Dr. Haas submitted the design for patent in 1931, and in 1936, the tampon was first sold in the United States. He later gave his invention the brandname Tampax, which is still one of the main tampon brands today. [225] [226] 1929 Eyelash curler
Early 19th century: The Irish flute is not an instrument indigenous to Ireland; a key figure in its development was English inventor and flautist Charles Nicholson (1775–1810). 1829: The concertina invented by Charles Wheatstone (1802–1875). [31] Early 20th century: The theatre organ developed by Robert Hope-Jones (1859–1914).
The celebration of the 20th century’s ending expressed the popular opinion that New Year's Eve 1999 and New Year's Day 2000 marked the turn of the millennium, while strictly speaking the 20th century ended on New Year's Eve 2000 and the 21st century began on New Year's Day 2001.