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In 1930, Blériot himself instituted the Blériot Trophy, a one-time award which would be awarded to the first aircrew to sustain an average speed of over 2,000 kilometers per hour (1,242.742 miles per hour) over one half of an hour, an extremely ambitious and prophetic target in an era when the fastest aircraft were just breaking the 200 mph mark.
First helium-filled rigid airship to fly: was the USS Shenandoah on August 20, 1923, although it did not make a powered flight until September 24, 1923. [30] First people to reach the stratosphere: were Auguste Piccard and Paul Kipfer, who ascended to the height of 51,000 ft (15,500 m) in a hydrogen balloon on May 27, 1931. [31]
Louise Joy Brown (born 25 July 1978) is an English woman noted as the first human born following conception by in vitro fertilisation (IVF). Her birth, following a procedure pioneered in Britain, has been lauded among "the most remarkable medical breakthroughs of the 20th century".
Therapeutic phlebotomy refers to the drawing of a unit of blood in specific cases like hemochromatosis, polycythemia vera, porphyria cutanea tarda, etc., to reduce the number of red blood cells. [ 6 ] [ 7 ] The traditional medical practice of bloodletting is today considered to be a pseudoscience .
A person who performs a phlebotomy is called a phlebotomist, although most doctors, nurses, and other technicians can also carry out a phlebotomy. [2] In contrast, phlebectomy is the removal of a vein. Phlebotomies that are carried out in the treatment of some blood disorders are known as therapeutic phlebotomies. [3]
Wiley Hardeman Post (November 22, 1898 – August 15, 1935) was an American aviator during the interwar period and the first pilot to fly solo around the world. Known for his work in high-altitude flying, he helped develop one of the first pressure suits and discovered the jet stream .
That year, he flew a chase aircraft for the civilian pilot Jackie Cochran as she became the first woman to fly faster than sound. [52] On November 20, 1953, the U.S. Navy program involving the D-558-II Skyrocket and its pilot, Scott Crossfield, became the first team to reach twice the speed of sound. After they were bested, Ridley and Yeager ...
Louise Joy Brown, the first test-tube baby, was born on 25 July 1978, [1] [2] and Purdy was the first to see the embryonic cells dividing. [ 3 ] Edwards was awarded the 2010 Nobel Prize in Physiology or Medicine for his work on the development of in vitro fertilisation; however, because the Nobel Prize is not awarded posthumously, neither Purdy ...